DIGITAL VOICE Getting started 1
RECORDER Recording 2
Playback 3
VN-722PC Menu 4
VN-721PC 5
Use with a PC 6
Other information
USER MANUAL Register your product on
www.olympus-consumer.com/
register and get additional
benefits from Olympus!
Thank you for purchasing an Olympus digital voice recorder. EN
Please read these instructions for information about using the product
correctly and safely.
Keep the instructions handy for future reference.
To ensure successful recording, we recommend that you test the record
function and volume before use.
Table of contents
Names of parts............................................................................ 4 3 Playback
Recorder................................................................................................ 4
Display ..................................................................................................5 Playback ....................................................................................24
Basic playback procedure....................................................................24
1 Getting started Playback through the earphones........................................................25
Fast-forwarding .................................................................................. 25
Setup.......................................................................................... 7 Rewinding ..........................................................................................26
Inserting the battery.............................................................................8 Skipping to the beginning of a file .....................................................26
Turn the power ON................................................................................9 Changing the playback speed.............................................................29
Setting the date/time...........................................................................9 A-B repeat playback............................................................................30
Selecting the mode.............................................................................10
Portable USB cable .............................................................................10 Index marks/temp marks ...........................................................31
Writing an index mark/temp mark.....................................................31
Inserting/removing a microSD card.............................................11 Erasing an index mark/temp mark.....................................................31
Inserting a microSD card.....................................................................11
Removing a microSD card...................................................................12 Erasing files ...............................................................................32
Erasing files.........................................................................................32
Preventing accidental operation ................................................13
Setting HOLD mode............................................................................13 4 Menu
Releasing HOLD mode ........................................................................13
Setting menu items ...................................................................34
Turning the power OFF ...............................................................14 Basic operation ...................................................................................34
Turning the power OFF .......................................................................14
File menu [File Menu].................................................................37
Selecting folders and files ..........................................................15 Preventing accidental file erasure [File Lock]......................................37
Using the Calendar Search function to search for a file.......................15 Dividing a file [File Divide]..................................................................37
Displaying file information [Property] ...............................................37
2 Recording
Recording menu [Rec Menu].......................................................38
Recording ..................................................................................16 Selecting the recording sensitivity [Rec Level] ...................................38
Basic recording procedure...................................................................16 Setting the recording mode [Rec Mode].............................................38
Pausing/resuming recording ..............................................................18 Reducing noise during recording [Low Cut Filter]...............................39
Quickly checking a recording ..............................................................18 Voice-activated recording function [VCVA].........................................39
Monitoring while recording................................................................18 Voice sync recording function [V-Sync. Rec].......................................40
Recording with an external microphone .....................................20 Playback menu [Play Menu]........................................................42
Recording with an external microphone ............................................20 Emphasizing voice more clearly [Voice Filter].....................................42
Selecting playback modes [Play Mode].............................................42
Recording from another connected device..................................21 Setting a skip space [Skip Space]........................................................43
Recording audio from another device with this recorder....................21
LCD/Sound menu [LCD/Sound Menu]...........................................45
Changing the recording scene [Rec Scene]...................................23 Adjusting the contrast [Contrast]........................................................45
Changing the recording scene ............................................................23 Setting the LED indicator light [LED] ..................................................45
Turning beeping sound ON/OFF[Beep]...............................................45
Changing the display language [Language] ......................................45
EN
2
Table of contents
Device menu [Device Menu] .......................................................46 Indications used in this manual
Selecting the recording media [Memory Select]................................46
Setting the date/time [Time & Date] .................................................46 NOTE
Selecting the mode [Mode Select] .....................................................47
Restoring the default settings [Reset Settings]..................................47 Describes precautions and operations that
Formatting a recording media [Format].............................................48 should be absolutely avoided in using the
Checking recording media information [Memory Info.].....................49 voice recorder.
Checking voice recorder information [System Info.] ..........................49
TIP
5 Use with a PC
Describes useful information and hints that
PC operating environment .........................................................50 will help you get the most out of your voice
PC connection/disconnection......................................................51 recorder.
Connecting the voice recorder to a PC.................................................51 ☞
Disconnecting the voice recorder from a PC........................................52
Loading a file to a PC ..................................................................53 Indicates reference pages describing details
or related information.
6 Other information
Alarm message list.....................................................................54
Troubleshooting ........................................................................55
Accessories (optional).................................................................56
Copyright and trademark information........................................57
Safety precautions.....................................................................58
Specifications ............................................................................62
EN
3
Names of parts Names of parts 1 )
2
Recorder 3 -
=
7 4(
8 5
*
9 q
& 6
^0
!
%@
$#
1 EAR (earphone) jack $ `OK button
2 MIC (microphone) jack % ERASE button
3 Display ^ 0 button
4 Card slot*1 & + button
5 SCENE/CALENDAR button*1 * STOP (4) button
( Battery cover
SCENE button*2 ) Card/USB connector cover
6 Built-in speaker (also used as stand)
7 Built-in microphone - POWER/HOLD switch
8 MENU button = USB connector
9 LED indicator light (LED) q Strap hole
0 REC (record) (s) button
! 9 button * 1 VN-722PC model only
@ FOLDER/INDEX button * 2 VN-721PC model only
EN # – button
4
Names of parts
Display
Normal mode Simple mode Names of parts
12 32
38 4
4 5
59
60 !
7 67
1 File name 7 Meanings of indicators shown in
2 Battery indicator indicator display area
3 Folder indicator, Current file [ ]: Rec Level
[ ]: VCVA
number in folder/Total number [ ]: V-Sync. Rec*
of recorded files in folder and file [ ]: Low Cut Filter
lock indicator [ ]: Voice Filter*
[ ] [ ] [ ]: Play Mode
4 Voice recorder status indicator
8 Recording format indicator
[ ]: Recording indicator 9 File length
[ ]: Recording pause indicator 0 Playback position bar indicator
[ ]: Stop indicator ! Level meter or file length
[ ]: Playback indicator
[ ]: Fast playback indicator * VN-722PC model only
[ ]: Slow playback indicator
[ ]: Fast forward indicator EN
[ ]: Fast rewind indicator 5
5 Elapsed recording time or
playback time
6 Recording media indicator
[l]: Internal memory
[m]: microSD card*
Possible recording time remaining
Names of parts Names of parts
Display
TIP
• Pressing and holding the STOP (4)
button while the voice recorder is in
stop mode displays the [Time & date]
and [Remain] (amount of possible
recording time remaining) settings. If
the current date/time is set incorrectly,
see “Setting the date/time [Time &
Date]” (☞P.46).
EN
6
Getting started
Setup
After unpacking the voice recorder, follow the steps below to have it ready for use. 1
1Getting Insert the battery Setup
started Turn the power ON
3 Setting the date/time
Set the voice recorder’s clock for use with file management.
2Getting Selecting the mode
Select either normal mode or simple mode.
started
3
3Getting
started
3
4Getting
started
Remove the screen protector
on the display.
EN
7
Setup
Inserting the battery
1 Before using the voice recorder, insert the battery in the battery compartment of the voice
recorder.
Setup 1 Slide open the battery cover Battery indicator
while lightly pressing down on it.
As the battery loses its remaining charge, the
battery indicator on the display changes as
follows:
2 Insert a AAA battery, making • [ ] indicates there is little remaining
sure its positive and negative battery charge. Replace the battery with
terminals are placed correctly. a fresh one. When the battery has run
Slide the battery cover out, [ ] and [Battery low] appear, and
completely closed. operation stops.
Insert the battery’s Battery precautions
negative terminal first
• The voice recorder does not support
manganese batteries.
• Always turn power off before replacing the
battery. Files may be damaged if the battery is
removed while the voice recorder is recording or
performing an operation such as erasing a file.
• When not using the voice recorder for
an extended period, always remove the
battery before storage.
• The continuous battery usage time will
vary depending on the performance of the
battery in use (☞ P.63).
EN
8
Setup
Turn the power ON Setting the date/time
1 While the voice recorder is turned 1 Press the 9 or 0 button to 1
off, slide the POWER/HOLD switch select the item to set.
in the direction of the arrow.
Setup
POWER/HOLD 2 Press the +/– button to change
switch the number.
TIP • To change the setting of another item,
• When [Language] appears in the press the 9 or 0 button to move
the blinking cursor, then press the + or
display after turning the power ON, – button to change the number.
press the +/– button to change the
display language and press the `OK 3 Press the `OK button to finalize
button to finalize the setting. the setting.
TIP
• You can press the `OK button during
the setting procedure to set the items
entered so far and start the clock.
EN
9
Setup
Selecting the mode Portable USB cable
1 1 Press the +/– button to change The provided Portable USB cable can be
attached to the strap hole to carry it around.
the mode.
VN-722PC model only
Setup
[Normal Mode]: 1 Remove a strap from the Portable
This is the standard mode in which USB cable.
all functions are available. 1
[Simple Mode]: 2
This mode lists frequently used
functions. Displayed text becomes 1
larger for easier viewing.
• Pull out the strap while pressing the
2 Press the `OK button to finalize connector part.
the setting.
2 Attach a strap to the voice
TIP recorder.
The mode can be switched even
after setting. “Selecting the mode
[Mode Select]” (☞ P.47)
3 Attach a strap to the Portable
USB cable.
TIP
• The Portable USB cable must be
removed from strap whenever using a
EN USB connection (☞ P.51).
10
Inserting/removing a microSD card
The voice recorder has its own internal memory, and also supports standard microSD cards 1
(microSD, microSDHC) sold separately.
VN-722PC model only
Inserting a microSD card 3 Close the card/USB connector cover. Inserting/removing a microSD card
1 While the voice recorder is in • The recording media selection screen
stop mode, open the card/USB appears after a microSD card has been
connector cover. inserted.
4 To record onto the microSD card,
press the +/– button and select
[Yes].
2 Insert a microSD card, making sure 5 Press the `OK button to finalize
it is placed correctly as shown. the setting.
TIP
• You can also select the internal memory
as the recording media (☞ P.46).
• Insert the microSD card straight, NOTE EN
avoiding crooked insertion. 11
• The voice recorder may not be able to
• Inserting a microSD card the wrong way recognize a microSD card formatted
or crookedly could damage its contact (initialized) for a PC or other device.
surface or cause it to jam in the slot. Before using a microSD card, always
initialize it on the voice recorder
• A microSD card not inserted fully (until it (☞ P.48).
clicks into place) might not record data.
Inserting/removing a microSD card
Inserting/removing a microSD card Removing a microSD card NOTE
1 1 While the voice recorder is in • MicroSD cards may pop out forcefully
on removal if you flick or release your
stop mode, open the card/USB finger too quickly after pressing the
connector cover. card in.
2 Release the microSD card by • Depending on the card’s manufacturer
pressing it inward, then letting it and type, some microSD cards and
slowly return. microSDHC cards may not be fully
compatible with the voice recorder and
• The microSD card moves outward and not be recognized properly.
stops. Pull the microSD card out with
your fingertips. • For microSD card compatibility under
Olympus verification, please contact
• [Internal memory selected] is our customer support at:
displayed after removing a microSD
card if [Memory Select] was set to http://www.olympusamerica.com
[microSD card]. Note that our customer support will
provide information on microSD card
3 Close the card/USB connector manufacturers and card types for which
cover. Olympus has verified operation, but
will not guarantee it's performance.
EN Also note that some cards may
12 no longer be recognized correctly
by the voice recorder in case
card manufacturer changes card
specifications.
• Read the operating instructions
provided with the card when using a
microSD card.
• If a microSD card is not recognized by
the voice recorder, try removing and
reinserting the card to have the voice
recorder attempt recognition again.
• Processing speed may be low for
some microSD card types. Processing
performance may also be reduced by
writing or deleting data repeatedly
from a microSD card. In this case,
reinitialize the card (☞ P.48).
Preventing accidental operation
Setting the voice recorder to HOLD mode maintains the current operation and disables button 1
operations. HOLD mode is a handy feature for preventing unintentional operation from
accidental button presses when the voice recorder is carried in a bag or pocket. It is also useful
for preventing the voice recorder being accidentally stopped during recording.
Setting HOLD mode Releasing HOLD mode Preventing accidental operation
1 Slide the POWER/HOLD switch to 1 Slide the POWER/HOLD switch to
the [HOLD] position. position A shown below.
• [Hold] appears in the display, and the
recorder enters HOLD mode.
NOTE
• When any button is pressed during HOLD mode, [Hold] appears in the display for 2
seconds. No other operation is performed.
• Setting HOLD mode during voice recorder playback (or recording) continues the playback
(or recording) operation and prevents any other operation from being performed (the
voice recorder stops when playback ends, or recording stops when there is no more
available memory).
EN
13
Turning the power OFF
Turning the power OFF
1 Existing data, menu settings and the clock setting are saved when the power is turned OFF.
Turning the power OFF 1 Slide the POWER/HOLD switch in Power Save mode
the direction of the arrow for at
least half a second. When the voice recorder has been
stopped for at least 5 minutes after
power ON, the display disappears and
the voice recorder automatically enters
the Power Save mode.
• Pressing any button releases the
Power Save mode.
• The playback stop position at power
OFF is stored in the memory.
TIP
• Turning the power OFF whenever the
voice recorder is not in use minimizes
battery consumption.
EN
14
Selecting folders and files
The recorder provides five folders, [ ], [ ],[ ], [ ] and [ ]. Each folder can store up to 200 files. 1
1 Press the FOLDER/INDEX button
while the voice recorder is in stop
mode.
a 2 Press the +/–, 9 or 0 Selecting folders and files
b
button to select the desired date.
a
a File number b
b Folder indicator c
• The folder changes each time you
d
press the FOLDER/INDEX button.
a Number of files saved (recorded) on
2 Press the 9 or 0 button to selected date
select the desired file.
• Immediately after a file is selected, the b Date file was recorded
recorded date and time is displayed for c Selected date
2 seconds only. d Today’s date
• Dates on which files were saved are
Using the Calendar Search function
to search for a file underlined.
9 or 0 button:
You can search for voice files by specifying a
recording date. If you have forgotten in which Move to the previous/next date. Press
folder a file has been saved, this feature lets you and hold to skip to the next date on
access it quickly by entering its recording date. which a file was recorded.
+/– button:
VN-722PC model only Move to the previous/next week.
3 Press the `OK button.
4 Press the +/– button to select the
desired file.
1 Press the SCENE/CALENDAR button
while the voice recorder is in stop
mode.
EN
15
Recording
Recording
The voice recorder has five folders ([ ] to [ ]) in which recorded files can be saved. These
folders provide a handy way to sort recordings into separate categories (such as business and
2 leisure).
Basic recording procedure
Recording
1 Select the folder to save the 3 Press the REC (s) button to start
recording in (☞ P.15). recording.
• Each new voice recording file is saved a
in the selected folder.
b
2 Point the built-in microphone c
in the direction of the sound to d
record. e
a Rec mode
b Elapsed recording time
c Level meter (changes according to
recording volume and recording
function setting)
d Remaining possible recording time
e Recording level
• The LED indicator light lights.
4 Press the STOP (4) button when
you want to stop recording.
f
• You can use the card/USB connector f File length
cover as a stand when needed.
EN
16
Recording NOTE 2
Sound files recorded with the voice • To prevent the beginning of the Recording
recorder are automatically given a file recording being cut off, start recording
name in the format below. after the LED indicator light has lit or
recording indicator has appeared in
141001_0001.WMA the display.
1 23 • When the remaining possible recording
time is 60 seconds, the LED indicator
1 Date recorded light starts flashing. It flashes more
Indicates the year, month and day the rapidly as the remaining time decreases
recording was made. (at the 30- and 10-second points).
2 File number • When [Folder full] appears, no more
Appended file numbers are recording can be done. To record more,
consecutive regardless of whether the you will need to select a different folder
recording media has been switched. or delete unneeded files (☞ P.32).
3 Extension • If [Memory full] appears, the voice
A file extension indicating the recorder has no more available
recording format the file was recorded memory space. You will need to
in by the voice recorder. delete unneeded files to record more
• MP3 format: “.MP3” * (☞ P.32).
• WMA format: “.WMA”
• It’s recommended to initialize the
* VN-722PC model only recording media before making an
important recording.
TIP
• Processing performance may be reduced
• [Rec Mode] must be set with the voice when data has been repeatedly written
recorder stopped (☞ P.38). to or deleted from the recording media.
Please initialize the recording media in
this case (☞ P.48).
VN-722PC model only:
• When using a microSD card in the voice
recorder, be sure the desired recording
media setting ([Internal memory]
or [microSD card]) has been selected
(☞ P.46).
EN
17
Recording
Pausing/resuming recording Monitoring while recording
1 Press the REC (s) button during You can monitor the recording as you are
making it by listening on the earphone
recording. plugged into the voice recorder’s EAR jack.
Use the +/– button to adjust the recording
2 monitor volume.
• The earphones are optional.
Recording
1 Connect the earphones to the
voice recorder’s EAR jack.
• Recording pauses, and the blinking To EAR
message [PAUSE] appears in the jack
display.
• Recording is stopped automatically
after being paused for at least 60
minutes.
2 Press the REC (s) button again
while recording is paused.
• Recording resumes from the position it
was paused at.
Quickly checking a recording
1 Press the `OK button during • Changing the volume will not affect
recording. the recording level.
EN NOTE
18
• To avoid unpleasantly loud sound, set
the volume to [00] before plugging in
the earphone.
• To prevent feedback, do not place the
earphone near the microphone while
recording.
Recording
Recording settings
Various recording settings are available,
letting you tailor recording to different
recording conditions.
[Rec Level] Sets the recording sensitivity. Recording2
(☞ P.38)
[Rec Mode] Sets the recording sound EN
(☞ P.38) quality. 19
[Low Cut Filter]
(☞ P.39) Reduces humming sounds
from equipment such as
[VCVA] air-conditioners or projectors.
(☞ P.39)
[V-Sync. Rec]* Sets the trigger level for
(☞ P.40) voice-activated recording
(VCVA).
[Rec Scene]
(☞ P.23) Sets the trigger level for
voice-synchronized recording.
Used to select one of multiple
preregistered templates of
recording settings. When
selected, each template
enters several settings
tailored to a particular
recording location or
condition all in a single
operation.
* VN-722PC model only
Recording with an external microphone
Recording with an external microphone
You can record audio input using an external microphone or other device connected to
the voice recorder’s MIC jack. Do not plug or unplug devices into voice recorder jacks while
2 recording.
Recording with an external microphone 1 Connect an external microphone TIP
to the voice recorder’s MIC jack.
• When using the phone microphone
(Telephone pickup TP8), set
[Rec Scene] to [Telephone Rec]. This
allows you to record conversations on
mobile and landline telephones clearly
(☞ P.23).
To MIC • See “Accessories (optional)”
jack (☞ P.56) for the compatible external
microphones.
Example: TP8 telephone pickup NOTE
microphone (optional)
• Connecting an external microphone to
2 Press the REC (s) button to start the voice recorder’s MIC jack disables
recording. the built-in microphone.
• Microphones with plug-in power
supplies can be used.
• When [Rec Mode] is set to stereo,
recording with an external mono
microphone records on the left channel
only (☞ P.38).
• When [Rec Mode] is set to mono,
only the input from the left channel
microphone is recorded when using an
external stereo microphone (☞ P.38).
EN
20
Recording from another connected device
Recording audio from another device with this recorder
Audio can be recorded when you have connected the audio output terminal (earphone jack) of 2
another device and the MIC jack of the recorder using the connecting cord KA333 (optional)
for duplication.
1 While the voice recorder is in stop 4 Press the +/– button to change Recording from another connected device
mode, press and hold the SCENE/ the setting.
CALENDAR button.
For VN-721PC: When [Duplication (Auto Divide)] was
Press the SCENE button while the selected:
voice recorder is in stop mode. [Cassette]:
2 Press the +/– button to select Suitable for sound sources with a
[Duplication (Auto Divide)] or lot of noise such as a cassette tape
[Duplication (Timer)]. dubbed from a CD or record.
[CD]:
[Duplication (Auto Divide)]: Suitable for sound sources with little
Files are automatically divided into noise such as a CD.
each song when recording.
When [Duplication (Timer)] was
[Duplication (Timer)]: selected:
Recording is saved to one file and
stops when the previously set time The time used for duplication can be
has been reached. selected from among [Off], [30 min.],
[60 min.], [90 min.] and [120 min.].
3 Press the `OK button.
5 Press the `OK button to finalize
the setting.
6 Press the STOP (4) button to exit
the menu screen.
EN
21
Recording from another connected device
Recording audio from another device with this recorder
Recording from another connected device 7 Connect the voice recorder NOTE
with another device using the
• Do not plug or unplug devices into
2 connecting cord KA333. voice recorder jacks while recording.
To audio output • Perform adjustment of the recording
terminal of other level on the other device.
device • To ensure successful recording, we
recommend that you test the record
To MIC function and volume before use.
jack
• In [Duplication (Auto Divide)], an
8 Press the REC (s) button to start original recording will be copied to
recording. separate files divided into each song by
the signal level or the noise level of a
9 Start playback on the other silent part. When the signal level is too
device. low or the noise is significant, recording
and division may not be performed
10 When duplication is completed, properly.
press the STOP (4) button to stop In that case, select
recording. [Duplication (Timer)] and manually
• When [Duplication (Timer)] was start and stop recording.
selected, recording automatically
stops when the set time is reached. • If the connecting cord is not connected
when [Duplication] is selected, the
message [Connect an audio cable to
the mic jack] is displayed.
EN
22
Changing the recording scene [Rec Scene]
Changing the recording scene
The voice recorder has preregistered templates of optimum settings tailored to various 2
recording applications such as conference and dictation. When selecting one of these
templates you can enter several settings recommended for your recording application all in a
single operation.
1 While the voice recorder is in TIP Changing the recording scene [Rec Scene]
stop mode, press and hold the
SCENE/CALENDAR button. • [Rec Scene] also can be set from the
For VN-721PC: menu (☞ P.34).
Press the SCENE button while the
voice recorder is in stop mode. NOTE
2 Press the +/– button to select the • Recording menu settings cannot be
desired recording application. changed when a [Rec Scene] selection
has been made. To use these functions,
you must select [Off] for the
[Rec Scene] setting.
• During simple mode, [Rec Scene]
cannot be set to [Off].
• You can choose from [Dictation],
[Meeting], [Conference], [Duplication
(Auto Divide)] (☞ P.21),
[Duplication (Timer)] (☞ P.21),
[Telephone Rec] (☞ P.20), [DNS]
or [Off].
EN
23
Playback
Playback
In addition to files recorded by the voice recorder, you can also play files in MP3* and WMA
format transferred from a PC.
* VN-722PC model only
3 Basic playback procedure
Playback 1 Select the file to play from the 4 Press the STOP (4) button to stop
folder containing it (☞ P.15). playback.
2 Press the `OK button to start • The file being played stops right away.
playback. The resume function automatically
stores the playback stop position in
a memory. The position is retained even
if the power is turned OFF. The next
b time the power is turned ON, playback
c can be resumed from the stop position
stored in the memory.
a File name and folder indicator
b Elapsed playback time/File length
c Playback position bar indicator
3 Press the +/– button to adjust
the volume to the desired level.
• The volume can be adjusted to a
setting between [00] to [30]. The
higher the number, the louder the
volume.
EN
24
Playback
Playback through the earphones Fast-forwarding
You can connect the earphones to the voice 3
recorder’s EAR jack and listen to playback
through them.
1 Connect the earphones to the
voice recorder’s EAR jack.
To EAR Fast-forwarding while the voicePlayback
jack recorder is in stop mode
2 Press the `OK button to start 1 With the voice recorder stopped,
playback. press and hold the 9 button.
TIP • Fast-forwarding stops when you
• There will be no sound from the release the 9 button. Press the
`OK button to start playback from the
speaker when the earphones are current position.
connected.
Fast-forwarding during playback
NOTE
• To avoid unpleasantly loud sound, set 1 Press and hold the 9 button
during playback.
the volume to [00] before plugging in
the earphone. • Playback starts from the current
• Avoid excessive volume when listening position when you release the 9
to playback through the earphones. button.
It may cause hearing damage or loss.
• If an index mark or temp mark in the
file is reached, fast-forwarding stops at
the mark (☞ P.31).
• Fast-forwarding stops when the end
of the file is reached. Press and hold
the 9 button again to fast-forward
from the beginning of the next file.
EN
25
Playback Skipping to the beginning of a file
Rewinding
3
Playback Rewinding while the voice recorder is Skipping to the beginning of the
in stop mode next file
1 With the voice recorder stopped, 1 Press the 9 button while the
press and hold the 0 button. voice recorder is in stop mode, or
during playback.
• Rewinding stops when you release the
0 button. Press the `OK button Skipping to the beginning of the
to start playback from the current current file
position.
1 Press the 0 button while the
Rewinding during playback voice recorder is in stop mode, or
during playback.
1 Press and hold the 0 button
during playback. Skipping to the beginning of the
previous file
• Playback starts from the current
position when you release the 0 1 Press the 0 button when
button. the playback position is the
beginning of the file.
• If an index mark or temp mark in the • To skip to the beginning of the
file is reached, reached, rewinding previous file during playback, press the
stops at the mark (☞ P.31). 0 button twice consecutively.
• Rewinding stops when the beginning
of the file is reached. Press and hold
the 0 button again to rewind from
the end of the previous file.
EN
26
Playback
NOTE Music files 3
• If an index mark or temp mark If a music file transferred to the voice recorder
is reached when skipping to the is unplayable, check that its sampling rate
beginning of a file during playback, and bit rate values are within the supported
playback starts from the position of the ranges. The sampling rate and bit rate
mark. When skipping to the beginning combinations supported for music file
of a file while the voice recorder is playback by the voice recorder are shown
in stop mode, the mark is ignored below.
(☞ P.31).
File format Sampling rate Bit rate Playback
• If a setting other than [File Skip] MP3 format*
is set for [Skip Space], playback MPEG 1 Layer 3: 8 to 320 kbps
starts after the set amount of time WMA format 32 kHz, 5 to 320 kbps
has been skipped backwards or 44.1 kHz,
forwards. Playback does not skip to the 48 kHz
beginning of the file. MPEG 2 Layer 3:
16 kHz,
22.05 kHz,
24 kHz
8 kHz,
11 kHz,
16 kHz,
22 kHz,
32 kHz,
44.1 kHz,
48 kHz
* VN-722PC model only
• MP3 files with variable bit rates (bit rates
converted variably in a single file) may not
play normally.
• Even if the file formats is compatible for
playback on this recorder, the recorder does
not support every encoder.
EN
27
Playback
Playback settings
You can select various file playback methods
tailored to different applications and tastes.
[Voice Filter]* Cuts low- and high-
(☞ P.42) frequency components,
emphasizing voices for
3 [Play Mode] greater clarity.
(☞ P.42)
Selecting from among three
playback modes.
Playback [Skip Space] A handy function for quickly
(☞ P.43) moving the playback
position, and playing short
segments repeatedly.
* VN-722PC model only
EN
28
Playback
Changing the playback speed
Changing the playback speed is handy for speeding up conference presentations, or for slowing
down parts difficult to discern when learning a language.
1 Press the `OK button during NOTE
playback.
• Altered playback speed settings are
retained even after power OFF. 3
• Changing the playback speed will make Playback
the battery deplete more quickly.
2 Press the +/– button. Fast playback restrictions
Depending on their sampling frequency and
bit rate, some files may not play normally.
In this case, you will need to reduce the
playback speed.
• Adjust the playback speed.
3 Press the `OK button.
TIP
• When changing the playback speed,
playback operations such as stopping
playback, skipping to the beginning of
a file, and writing index marks/temp
marks are the same as during standard
playback.
EN
29
Playback
A-B repeat playback
The voice recorder has a function that lets you repeat the playback of a portion (segment) of
the file being played.
Playback 1 Select a file for A-B repeat • Segment A-B is set, and A-B repeat
playback, and start playback. playback starts.
3 2 Press the REC (s) button when 4 Press the STOP (4) button.
playback reaches the desired
start position for A-B repeat
playback.
• Playback stops. The playback segment
specified for this function is retained.
TIP NOTE
• When an index or temp mark is written
• You can change the playback
speed (☞ P.29), and fast-forward/ or erased during A-B repeat playback,
rewind (☞ P.25, P.26) when the A-B repeat playback is canceled and
[ ] indicator is blinking. the voice recorder returns to normal
playback.
• If playback reaches the end of
the file when the [ ] indicator Canceling A-B repeat playback
is blinking, the end of the file
is treated as the segment end 1 Press the STOP (4) button while
position, and repeat playback the voice recorder is in stop
starts. mode.
3 Press the REC (s) button again NOTE
when playback reaches the • When the REC (s) button is pressed
desired end position for A-B
repeat playback. during A-B repeat playback the
setting is canceled without disrupting
EN playback.
30
Index marks/temp marks
Writing an index mark or temp mark in a file enables you to quickly access desired position in
the file with the same operations used for fast-forwarding, rewinding or skipping to the start
of a file. Index marks can only be written in files created with Olympus voice recorders. For files
created with other devices, you can temporarily store desired positions in the memory using
temp marks.
Writing an index mark/temp mark Erasing an index mark/temp mark 3
1 When the desired position has 1 Select a file that contains index Index marks/temp marks
been reached during recording mark/temp mark you want to
or playback, press the FOLDER/ erase and start playback.
INDEX button to write an index or
temp mark. 2 Use the 9 or 0 button to
select the index mark/temp mark
you want to erase.
NOTE 3 When the number of the index
mark/temp mark to erase is being
• Temp marks are temporary shown (for about 2 seconds)
markings. They are automatically in the display, press the ERASE
erased when you select a different button.
file, transfer the file to a PC, or • Any subsequent index marks/temp
move the file on a PC. marks in the file are automatically
renumbered.
• You can write up to 99 index
marks/temp marks in a single file. EN
The message [No more can be set] 31
appears if you attempt to write
more than 99 marks.
• You cannot write or erase index
marks/temp marks in files that
have been locked by the file lock
function (☞ P.37).
Erasing files
This section describes how to erase files from the folder all at once or individually.
Erasing files
1 Select the file you want to erase 4 Press the `OK button.
(☞ P.15).
3 2 Press the ERASE button while the
voice recorder is in stop mode.
Erasing files 5 Press the + button to select
[Start].
• The voice recorder returns to the stop 6 Press the `OK button.
mode if no operation is performed for
8 seconds.
3 Press the +/– button to select
[All in folder] or [One file].
[All in folder]: • [Erasing!] appears in the display, and
Erases all the files saved in the same the erasing process starts. [Erased]
folder as the selected file. appears when the process has
finished.
[One file]:
Erases only the selected file.
EN
32
Erasing files Erasing files3
NOTE EN
33
• Files cannot be restored after being
erased, so please check carefully before
erasing a file.
• You cannot delete folders through the
recorder.
• Before erasing a file, replace the battery
to ensure it will not run out before the
process has finished. Erasing processes
can take over 10 seconds to complete.
To prevent the risk of damage to data,
never attempt to perform any of the
following processes before an erasing
process has finished :
1 Removing the battery
2 Removing the microSD card (if the
recording media has been set to
[microSD card]) (VN-722PC model
only).
VN-722PC model only:
• When there is a microSD in the voice
recorder, be sure to check whether
the recording media being erased is
[Internal memory] or [microSD card]
(☞ P.46).
Menu
Setting menu items
Basic operation
In normal mode, menu items are arranged by tabs, letting you quickly set desired items by
selecting a tab and then moving to the desired item within the tab. Follow the steps below to
set a menu item.
1 During recording/playback or 3 Press the `OK button to move
4 while the voice recorder is in stop the cursor to the desired setting
mode, press the MENU button. item.
Setting menu items • Go to Step 2 when in normal mode, • You can also use the 9 button to
and go to Step 4 when in simple mode. perform this operation.
TIP 4 Press the +/– button to select the
desired setting item.
• Some menus contain items that can
be set during recording/playback
(☞ P.36).
2 Press the +/– button to select the
tab containing the item you want
to set.
EN • Moving the cursor from one tab to
another switches the displayed menu
34 screen.
Setting menu items 8 Press the STOP (4) button to exit
the menu screen.
Basic operation
5 Press the `OK button.
• The setting of the selected item is 4
displayed.
• When the menu screen is displayed Setting menu items
• You can also use the 9 button to during recording or playback, press
perform this operation. the MENU button to return to the
previous screen without ending
6 Press the +/– button to change recording/playback.
the setting.
NOTE
7 Press the `OK button to finalize
the setting. • For menu settings done while the voice
recorder is in stop mode, the voice
recorder exits the menu and returns to
the stopped mode if no operation is
performed for 3 minutes. The selected
setting item is not changed in this case.
• For menu settings done during
recording/playback, the voice recorder
exits the menu if no operation is
performed for 8 seconds.
• A message indicating the setting has EN
been entered appears. 35
• You can cancel the setting and return
to the previous screen by pressing
the 0 button instead of the `OK
button.
Setting menu items
Basic operation
Menu items that can be set Menu items that can be set during Playback
during recording
Normal mode only Normal mode Simple mode
[Rec Level] [VCVA] [Property] [Play Mode] [Skip Space]
[Voice Filter]* [Skip Space]
[Low Cut Filter] [LED] [LED]
4
* VN-722PC model only
Setting menu items Menu items that can be set during simple mode
[Rec Scene] [Skip Space] [Memory Select]* [Time & Date] [Beep] [Mode Select]
[Language]
* VN-722PC model only
EN
36
File menu [File Menu]
Preventing accidental file erasure 3 Press the + button to select 4
[File Lock] [Start].
File menu [File Menu]
The file lock feature lets you lock important 4 Press the `OK button.
files to prevent them being accidentally
erased. Once locked, a file is not erased even • [Dividing!] appears in the display, and
if the operation for erasing all the files in its the file dividing process starts.
folder is performed (☞ P.32). [File divide completed] appears when
the process has finished.
1 Select the file you want to lock
(☞ P.15). TIP
[Lock]:
File is locked. • After dividing a file, the first half of the
[Unlock]: file is given the name “File name_1”
File lock is canceled. and the second half “File name_2”.
Dividing a file NOTE
[File Divide]
• Files cannot be divided if there are 199
Large files or files with long recording times files in the folder.
can be divided for easier management and
editing. • Locked files cannot be divided.
• It may not be possible to divide some
MP3 file with extremely short recording
times.
• To prevent the risk of data damage,
never remove the battery while
dividing a file.
VN-722PC model only Displaying file information
[Property]
NOTE
Only MP3-format file recorded on the You can display the information of a file from
voice recorder can be divided. a menu screen.
1 Play the file to divide, and stop 1 Press the +/– button to switch EN
playback at the desired division the screen. 37
point.
• Information is displayed for the items
2 Select [File Divide] from the [Name], [Date], [Size] and [Bit Rate].
menu on the [File Menu].
Recording menu [Rec Menu]
Recording menu [Rec Menu] Selecting the recording sensitivity Setting the recording mode
[Rec Level] [Rec Mode]
You can change the recording level You can prioritize sound quality or recording
(sensitivity) as needed for your recording time. Select the recording mode that best
application. matches your recording application.
[High]: [MP3 192 kbps]*1
Suited to recording lectures, large [MP3 128 kbps]*1
[WMA 64 kbps]*2
4 conferences and other applications [WMA 32 kbps mono]*3
with distant or quiet sound sources. [WMA 5 kbps mono]*3
[Low]:
Suited to recording dictation. *1 VN-722PC model only
*2 VN-721PC model only
TIP *3 Mono recording
• To record the speaker’s voice clearly, TIP
set [Rec Level] to [Low], and place the
voice recorder’s built-in microphone • Sound quality increases as the
near the speaker’s mouth (5 to10 cm recording rate value increases.
away).
• Setting a higher recording rate
increases file size. Check that you have
enough remaining memory before
recording.
• To record conferences and
presentations clearly, it is
recommended to set [Rec Mode]
setting to [MP3 128kbps]* or above.
* For VN-721PC, set [WMA 64 kbps].
NOTE
• When [Rec Mode] is set to stereo,
recording with a connected an external
mono microphone records on the left
channel only.
EN
38
Recording menu [Rec Menu]
Reducing noise during recording Adjusting the voice activation level for 4
[Low Cut Filter] voice-activated recording
Recording menu [Rec Menu]
The voice recorder’s low cut filter function 1 Press the REC (s) button to start
lets you make recordings that reduce recording.
humming sounds from air-conditioners or
low-frequency sounds from equipment such • Recording pauses automatically
as projectors. about 1 second after the input
sound becomes quieter than the set
[On]: activation sensitivity.
Turns the low cut filter on. The blinking message [Standby]
appears in the display. The LED
[Off]: indicator light becomes lit when
Turns the low cut filter off. recording is activated and flashes
when recording is paused.
Voice-activated recording function
[VCVA] 2 Press the 9 or 0 button to
adjust the voice activation level.
The voice-activated recording function a
(VCVA) automatically starts recording when
a sound louder than a preset voice activation b
level is detected, and automatically pauses
recording when the sound volume level a Voice activation level (moves left/
falls. Use this function to automatically omit right to match set level)
unneeded quiet segments when recording
(such as long silences during conferences), b Level meter (changes in proportion
saving memory. to recording sound volume)
[On]: • The setting can be adjusted to
Turns VCVA on. You can adjust the voice between [01] and [15].
activation level used for VCVA.
[Off]:
Turns VCVA off. Restores standard
recording.
EN
39
Recording menu [Rec Menu]
Recording menu [Rec Menu] TIP Voice sync recording function
[V-Sync. Rec]
• Increasing the setting number
increases the VCVA activation The voice sync recording function
sensitivity, enabling quieter sounds to automatically starts recording when a sound
activate the start of recording. louder than a preset voice sync recording
level (detection level) is detected, and
• Adjust the VCVA voice activation level automatically stops recording when the
to suit the recording conditions (to sound volume level decreases. When copying
cope with high levels of surrounding music from another device connected to the
noise or the like). voice recorder, use the voice sync recording
function to detect the silent intervals
• To avoid recording mistake, it’s between music tracks and save each track as
a separate file.
4 recommended to perform a test
recording beforehand to adjust the VN-722PC model only
voice activation level.
[1 sec.], [2 sec.], [3 sec.], [5 sec.]:
NOTE Set the detection time. The voice
recorder enters standby mode when
• The following function is disabled the input (recording level) is below the
when using the [VCVA] function: preset level for at least the set detection
• [Rec Scene] (☞ P.23) time.
• [V-Sync. Rec]
[Off]:
Recording is done normally.
EN
40
Recording menu [Rec Menu]
Adjusting the voice sync level for voice sync TIP 4
recording
• The voice recorder automatically ends Recording menu [Rec Menu]
1 Press the REC (s) button to recording and returns to recording
prepare for recording. standby mode when the input sound
has been below the voice sync level
2 Press the 9 or 0 button to for at least the set detection time.
adjust the voice sync level. Each time the voice recorder enters
standby mode, the current file is closed.
a Recording continues in a new file the
next time sound is detected.
a Voice sync level (moves left/right to
match set level) • Press the STOP (4) button to end a
voice sync recording session.
• The voice sync level can be adjusted to
a setting between [01] and [15]. NOTE
• Increasing the setting number increases • The following function is disabled
the activation sensitivity, enabling when using the [V-Sync. Rec] function:
quieter sounds to activate the start of • [Rec Scene] (☞ P.23)
recording. • [VCVA] (☞ P.39)
3 Press the REC (s) button again.
• The blinking message [Standby]
appears in the display, and the LED
indicator light flashes.
• Recording starts automatically if the
input is louder than the voice sync
level.
EN
41
Playback menu [Play Menu]
Emphasizing voice more clearly 2 Press the +/– to button select a
[Voice Filter] setting.
When [Playback range] was selected:
During normal playback or fast/slow playback, [File]:
the voice filter function cuts low- and high- Stops playback after the current file
has been played.
frequency range tone and emphasizes voices, [Folder]:
making them more clearly audible. Plays all the files in the current folder
consecutively, stopping playback after
4 VN-722PC model only the last file in the folder is played.
When [Repeat] was selected:
[On]:
Playback menu [Play Menu] [On]: The files in the specified playback
Turns on the voice filter function. range are played repeatedly.
[Off]: [Off]:
Turns the voice filter function off. Cancels repeat playback.
NOTE NOTE
• Using the [Voice Filter] function will
• When [Playback range] is set to [File],
make the battery deplete more quickly. [End] blinks in the display for 2 seconds
after the last file in the folder has been
Selecting playback modes played, then playback stops at the start
[Play Mode] position of the last file.
Several playback modes are available for • When [Playback range] is set to
different listening styles. [Folder], [End] blinks in the display for
1 Press the +/– button to select 2 seconds after the last file in the folder
has been played, then playback stops
[Playback range] or [Repeat]. at the start position of the first file in
[Playback range]: the folder.
Lets you specify a range of files for
playback.
[Repeat]:
Repeatedly plays the files in the set
range.
EN
42
Playback menu [Play Menu]
Setting a skip space When [Simple Mode] was selected
[Skip Space]
1 Press the +/– button to select [File
The [Skip Space] function lets you skip Skip], [05sec 10sec 9] or
a preset amount forward (forward skip) [05min 10min 9].
or backward (reverse skip) in a file during
playback. It is handy for quickly moving the [File Skip]: 4
playback position, or for repeated playback of Skips in units of files.
a short segment. Playback menu [Play Menu]
[05sec 10sec 9]:
When [Normal Mode] was selected Pressing the 0 button rewinds 5
seconds; pressing the 9 button
1 Press the +/– button to select fast-forwards 10 seconds and then
[Forward Skip] or [Reverse Skip]. the playback starts.
[Forward Skip]: [05min 10min 9]:
Starts playback after moving the Pressing the 0 button rewinds 5
playback position forward by the set minutes; pressing the 9 button
amount. fast-forwards 10 minutes and then
the playback starts.
[Reverse Skip]:
Starts playback after moving the NOTE
playback position backward by the set
amount. • Forward/reverse skip operations over a
skip space that contains an index mark/
2 Press the +/– button to select a temp mark or the starting position of a
setting. file will stop at that mark or at the start
When [Forward Skip] was selected: position.
[File Skip], [10 sec. Skip], [30 sec. Skip], EN
[1 min. Skip], [5 min. Skip], [10 min. Skip] 43
When [Reverse Skip] was selected:
[File Skip], [1 sec. Skip] to [3 sec. Skip],
[5 sec. Skip], [10 sec. Skip], [30 sec. Skip],
[1 min. Skip], [5 min. Skip]
Playback menu [Play Menu] Playback menu [Play Menu]
Forward/reverse skip playback
1 Press the `OK button to start
playback.
2 Press the 9 or 0 button
during playback.
• Playback starts after skipping forward
or backward by the set amount.
4
EN
44
LCD/Sound menu [LCD/Sound Menu]
Adjusting the contrast Changing the display language
[Contrast] [Language]
You can adjust the contrast of the display to You can select the language used in the voice
12 different levels. recorder’s displays.
• The setting can be adjusted to between • [English], [Español], [Français].
[01] to [12].
TIP 4
Setting the LED indicator light • The language selections vary LCD/Sound menu [LCD/Sound Menu]
[LED] depending on where the voice recorder
was purchased.
You can set the LED indicator light to not
become lit.
[On]:
LED indicator light is switched on.
[Off]:
LED indicator light stays off.
Turning beeping sound ON/OFF EN
[Beep] 45
The voice recorder makes beeping sounds
when buttons are pressed, or to warn in case
of operation errors. You can select whether
the voice recorder makes these beeping
sounds.
[On]:
Enables beeping sounds.
[Off]:
Disables beeping sounds.
Device menu [Device Menu]
Selecting the recording media 2 Press the +/– button to change
[Memory Select] the number.
Device menu [Device Menu] If a microSD card is inserted into the voice • To change the setting of another item,
recorder, you can select whether to record on press the 9 or 0 button to move
the internal memory or on the microSD card the blinking cursor, then press the + or
(☞ P.11). – button to change the number.
4 VN-722PC model only 3 Press the `OK button to finalize
the setting.
[Internal memory]:
Records on the internal memory on the TIP
voice recorder.
• When setting the hour or minute, each
[microSD card]: time you press the FOLDER/INDEX
Records on the microSD card. button the display changes between
the AM/PM and 24-hour clock formats.
Setting the date/time
[Time & Date] Example: 10:38 PM
Set the date and time beforehand to enable 10:38 PM 22:38
easier management of recorded files. (default format)
1 Press the 9 or 0 button to
• When setting the year, month or date,
select the desired setting item. each time you press the FOLDER/
INDEX button the display order used
for the date changes.
Example: March 24, 2014
3M 24D 2014Y
(default format)
24D 3M 2014Y
2014Y 3M 24D
EN
46
Device menu [Device Menu]
NOTE 1 Press the + button to select Device menu [Device Menu]4
• Even if the voice recorder is not used [Start].
EN
for a long period of time, when the Rec Menu: 47
battery is used up, the date and time Rec Level: High
must be re-entered. Rec Mode: MP3 128 kbps*1
• The time automatically flashes when WMA 64 kbps*2
the battery is replaced. Low Cut Filter: Off
VCVA: Off
Selecting the mode V-Sync Rec*1: Off
[Mode Select] Rec Scene: Off
With this recorder, you can choose between Play Menu:
normal mode and simple mode, which lists Voice Filter*1: Off
frequently used functions. Play Mode:
In simple mode, the displayed text becomes Playback Range: File
larger for easier viewing. Repeat: Off
Skip Space:
[Normal Mode]: Forward Skip: File Skip
This is the standard mode in which all Reverse Skip: File Skip
functions are available.
LCD/Sound Menu:
[Simple Mode]: Contrast: Level 06
This mode lists frequently used LED: On
functions. Displayed text becomes Beep: On
larger for easier viewing. Language: English
Restoring the default settings Device Menu:
[Reset Settings] Memory Select*1: Internal memory
Mode Select: Normal Mode
*1 VN-722PC model only
*2 VN-721PC model only
The [Reset Settings] function restores all
the voice recorder’s functions to their initial
(factory default) settings. Time setting and file
number will remain the same.
Device menu [Device Menu]
Device menu [Device Menu] Formatting a recording media NOTE
[Format]
• Never format the voice recorder from
Formatting a recording media erases all a PC.
existing files saved on it. Be sure to transfer all
important files to a PC before formatting. For • Formatting erases all the existing data,
VN-721PC, go to Step 3. including locked files and read-only
files.
1 Press the +/– button to select the
• Before formatting, replace the battery
4 recording media to be formatted. to ensure it will not run out before the
[Internal memory]: process has finished. The formatting
Formats the internal memory. process can sometimes take over 10
[microSD card]*: seconds to complete. To prevent the
Formats the microSD card. risk of damage to data, never attempt
* VN-722PC model only to perform any of the following
processes before a formatting process
2 Press the `OK button. has finished:
1 Removing the battery
3 Press the + button to select 2 Removing the microSD card (if the
[Start], then press the `OK recording media to be initialized
button. is a [microSD card]) (VN-722PC
model only).
4 Press the + button to select
[Start] again, then press the `OK VN-722PC model only:
button.
• If there is a microSD card in the voice
• [Formatting!] appears, and formatting recorder, make sure [Internal memory]
starts. or [microSD card] has been correctly
selected as the recording media to
• [Format done] appears when the erase (☞ P.46).
process has finished.
• Even when formatting or erasing
TIP (☞ P.32) is performed, only the
file management information of the
• To reset all the voice recorder’s settings internal memory and/or microSD card
to their default values, use the [Reset is updated and the recorded data is not
Settings] operation (☞ P.47). completely erased.
When disposing of a microSD card,
be sure to destroy the card, format
the card and record silence until the
recording time runs out, or perform a
similar operation in order to prevent
the leakage of personal information.
EN
48
Device menu [Device Menu] Device menu [Device Menu]4
Checking recording media EN
information [Memory Info.] 49
You can display the capacity and remaining
memory space of the recording media from a
menu screen.
NOTE
• Some recording media memory
capacity is used as a management
area, so the actual usable capacity
will always be slightly less than the
displayed capacity.
Checking voice recorder
information [System Info.]
You can display voice recorder information
from a menu screen.
• The voice recorder’s [Model], [Version]
(system version) and [Serial No.]
information is displayed.
Use with a PC
Connecting the voice recorder to a PC lets you:
• Play WMA and MP3*-format language-
learning content and music files loaded
on a PC using Windows Media Player or
iTunes.
• As well as a voice recorder and music
player, you can use this device as a PC’s
external memory device to save or read
data from the PC.
* VN-722PC model only
5 PC operating environment
PC operating environment Windows Macintosh
Operating system Operating system
Microsoft Windows XP/Vista/7/8 Mac OS X 10.5 to 10.9
standard installation standard installation
PC PC
Windows PC with at least one available USB Apple Macintosh series PC with at least one
port available USB port
NOTE
• The requirements shown are the operating environments needed for using a USB
connection to save files recorded by the voice recorder on a PC.
• Even when the requirements for the operating environment are satisfied, updated
versions of OS, multiboot environments, self-modified PCs will not be covered under the
operational warranty.
• When uploading or downloading a file to or from the voice recorder, data transfer will
continue as long as the voice recorder’s LED indicator light is flashing, even if the PC data
communication screen disappears. Never disconnect the USB connector before data
communication has finished. Always use the procedure on ☞ P.52 to disconnect the
USB connector. Data may not be transferred correctly if you disconnect the connector
before the drive has stopped.
EN • Do not format (initialize) the voice recorder’s drive from a PC. Formatting done from a PC will
not be done correctly. Use the voice recorder’s [Format] menu for formatting (☞ P.48).
50