NOTE CORDER DP-311
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Thank you for purchasing an Olympus Digital
Voice Recorder. 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.
• The contents of this document are subject
to change without notice. Contact our
Customer Support Center for the latest
information relating to product names and
• Illustrations of the screen and the recorder
shown in this manual may differ from
the actual product. The utmost care has
been taken to ensure the integrity of this
document but should you happen to find a
questionable item, error or omission, please
contact our Customer Support Center.
• Olympus does not accept any liability for
passive damages or damage of any kind
incurred due to data loss resulting from a
defect of the product, repair performed
by a third party other than Olympus or an
Olympus authorized service station, or for
any other reason.
• MPEG Layer-3 audio coding technology is
licensed from Fraunhofer IIS and Thomson.
• SD and SDHC are registered trademarks of SD
• Avoid recording or playing back near cellular
phones or other wireless equipment, as they
may cause interference and noise. If you
experience noise, move to another place, or
move the recorder further away from such
• Avoid sand or dirt. These can cause
• Avoid strong vibrations or shocks.
• Do not disassemble, repair or modify the unit
• Do not operate the unit while operating a
vehicle (such as a bicycle, motorcycle, or car).
• Keep the unit out of the reach of children.
• Do not insert a card other than SD or SDHC
card into the recorder.
If you accidentally insert such a card, do
not try to forcibly remove it but contact our
repair center or service station.
Warning regarding data loss:
• Recorded contents in the memory may be
corrupted or erased due to reasons such as
operating errors, unit malfunction, or during
repair work. Also, when contents are saved in
the memory for long periods of time or are
used repeatedly, operations such as writing
to, reading from, or deletion of contents may
not be possible.
• It is recommended to back up and save
important contents to other media such as a
computer hard disk.
• Olympus does not accept any liability
for passive damages or damage of any
kind incurred due to corruption or loss of
recorded content, regardless of nature or
• Batteries should never be exposed to flame,
heat, short-circuited or disassembled.
• Never store batteries where they will be
exposed to direct sunlight, or subjected to
high temperatures in a hot vehicle, near a
heat source, etc.
• Do not solder lead wires or terminals directly
onto a battery or modify it.
• Do not connect the = and - terminals
together. This may cause fire, overheating or
• When carrying or storing the batteries, be
sure to put them in the provided case to
protect their terminals. Do not carry or store
the batteries with any metal objects (such as
If this warning is not followed, fire,
overheating or electric shock may occur.
• Do not insert the batteries with their = and
- terminals reversed.
• If any liquid from a battery gets into your
eyes, promptly wash it off with clean water
and consult your doctor at once.
• Do not attempt to recharge alkaline, lithium
or any other non-rechargeable batteries.
• Never use any batteries with a torn or
cracked outer cover.
• Keep batteries out of the reach of children.
• If you notice anything unusual when using
this product such as abnormal noise, heat,
smoke, or a burning odor:
1 remove the batteries immediately while
being careful not to burn yourself, and;
2 call your dealer or local Olympus
representative for service.
• Do not expose the batteries to water. Do not
allow water to contact the terminals.
• Do not remove or damage the batteries
• Do not use the batteries if you find
something wrong with them such as leakage,
color change or deformity.
• Unplug the charger if the charging is still
incomplete after the specified time it should
• Should any batteries liquid get on skin or
clothing, promptly wash it off with clean
• Keep batteries away from fire.
• Do not subject batteries to strong shocks.
• When using rechargeable batteries that
have not been used for a while, be sure to
recharge them before use.
• Rechargeable batteries have a limited
lifetime. When the operating time becomes
shorter even if the rechargeable battery is
fully charged under the specified condition,
replace it with a new one.
Safe and proper usage
• Do not leave the recorder in hot, humid
locations such as inside a closed automobile
under direct sunlight or on the beach in the
• Do not store the recorder in places exposed
to excessive moisture or dust.
• Do not use organic solvents such as alcohol
and lacquer thinner to clean the unit.
• Do not place the recorder on top of or
near electric appliances such as TVs or
If [ ] is displayed on the screen, replace batteries as
soon as possible. If the battery level becomes too low,
[ ] and [Battery low] are displayed and then the
recorder automatically turns off.
• A strap is not supplied with this product.
Turn the microphone toward a sound source to
HQ High Suitable for Conversation
HQ Low Suitable for loud sounds
SP Low Suitable for Dictation recording
• The recorder cannot record if [Memory full] or [Reached maximum
number of files] is displayed. Delete unnecessary files to free up
some space in memory.
• When the available recording time becomes less than 60 seconds,
the recording indicator starts flashing. The indicator flashes faster if
the available time decreases to 30 seconds and to 10 seconds.
• An external microphone or other device can be connected and
audio can be recorded.
Turn on the power.
Slide the POWER switch
To turn off the power:
While the recorder is in the stop
mode, slide the POWER switch to
Power save mode
If no operations are performed
for more than 10 minutes when
the power is on, the display
automatically turns off and the
recorder enters the power save
mode. To exit the power save
mode, press any button.
If sliding the POWER switch to OFF/HOLD while the
recorder is in operation, all buttons and switches are
disabled without interrupting the current operations.
• The [Set time & date] screen appears when you use the
recorder for the first time or when the recorder is turned
on after more than 30 minutes without power supply.
☞For details, refer to“Setting time and date”.
Turn the mode dial to your preference
Be sure to remove the
protective film on the display
before using this product.
Getting started Recording
Recording indicator lights while recording.
s To pause recording, press the REC (x) button while recording.To resume
the recording, press the REC (x) button again.
Changing the recording mode
1 Insert the AAA battery in the battery
box from the - side gently without
touching the spring.
• When the NOISE CANCEL switch is set to ON,
playback speed returns to normal.
Playback speed is changed between
0.5x, 0.75x, normal, 1.2x, 1.5x, and
2.0x by each press of the buttons.
Noise is reduced when
played back to achieve
better sound quality.
The file is played back as it
Noise Cancel indicator
Changing the playback speed
Approximate file length
When an earphone is connected, the speaker is turned off.
The sound output will be monaural when using earphones.
To avoid irritation to the ear, turn down the
volume before inserting the earphones. Do
not raise the volume too high when using
earphones. It may cause hearing impairment
and a decrease in hearing ability.
• Earphones are not supplied
with this product.
s To fast-forward or rewind a file, press and hold 0 or 9 button while
playing back a file.
s To skip to the next file or previous file, press 0 or 9 button.
s Fast-forwarding or rewinding continues to the next file.
Playback position bar
Elapsed playback time
Current file number
Select the date. Select [File] or [Memo].
File search and playback
a Selection cursor
b Voice memos have been registered to days displaying
c Recording files have been registered to days
displaying this symbol.
Press the SEARCH/MENU button to switch to calendar display.
• Up to 10 voice memos per day of a maximum of 1 minute each can be recorded.
• Voice memos are managed in internal memory.
The first file is played
d Today’s date (highlighted)
e This icon will be selectable if the files saved in the
[Import] folder of the SD card (sold separately) are
☞For details, refer to“Memory”.
Select the date. Select [Memo].
Create a new schedule using voice memo
a Current memo number/Total
number of memos for the date
b Elapsed recording time/
Remaining recording time
Search for files by the date they were recorded or scheduled.
Start recording after selecting the date.
If you select [File], the file will be attached
to the date in which it was recorded.
Press the SEARCH/MENU button
to go back to the calendar screen.
1 2 3 4
1 2 3 4
` ` ` `
• Once erased, files cannot be restored. Double-check before deleting it.
• If no operations are performed for 8 seconds, the recorder returns to the
• It may take more than 10 seconds to complete the process. Do not
remove the batteries while processing, as this may result in corrupted
data. Check the battery level beforehand to ensure that the batteries do
not run out while processing.
• When [All] is performed, the erased files are no longer accessible, but the
data inside the memory and SD card are not deleted completely. When
disposing of the recorder, be sure to destroy the recorder, record silence
after performing [All], or perform a similar operation in order to prevent
the leakage of personal information.
• Inserting the SD card in the wrong way or at an angle could damage the contact area or cause the SD card to
• If the SD card is not inserted all the way, data may not be recorded on the SD card.
• Quickly moving your finger away after pushing the SD card inward may cause it to eject forcefully out of the slot.
• Even with the SD card inserted, voice memos will be saved to internal memory.
• An SD card is not supplied with this product.
a Erase all files
b Erase all files which were recorded on
the selected date
c Erase the selected file only
If [Cancel] is selected and the PLAY/
OK (y) button is pressed, the
recorder returns to the stop mode.
The recorder has different ways to erase files. The menu displayed varies depending on the type of the file to be erased.
Select the file you want to erase beforehand.
The SD card allows you to store more files.
Switch to SD card
If you have any recorded data in the internal memory and when you insert a SD card, data transfer screen
will be automatically shown. Operate according to the instructions on screen.When you finish transferring
the data to the SD card, you may start using with the SD card.
Playing external files
The [Import] folder will be created automatically when you insert the SD card. Copy the MP3 files from
computers or other external devices into the [Import] folder. After selecting in the calendar, external
files can be played back by pressing the PLAY/OK (y) button.
About MP3 files
• Variable bit rate MP3 files
may not be played back
• Even if the file format is
compatible for playback on
this recorder, the recorder
does not support every
a b c d
Example: Erasing an audio file 3
1 4 5
Setting time and date
In order to manage the files conveniently, it is recommended to set
the time and date.
MENU for more
than 1 second.
Check the time and date settings before using the product again if it is left
unused for long periods of time.
When the recorder is in stop mode, press and hold the STOP (z) button to
display the [Time & Date] and [Remain].
Turning the beep
Press 0 or 9 to
highlight the item you want
to set, then press PLAY/OK
Time & Date
Use the 0 and 9 buttons
to turn the operating sound
Use the 0 and 9 buttons
to select the display language.
The clock will start from
the set date and time. Press
the PLAY/OK (y) button
according to the time signal.
Use the 0 and 9 buttons to change the values.
Q1: The power cannot be turned on.
A1: • Batteries are exhausted.
• Batteries are inserted incorrectly.
Check = and - before inserting new
• Terminals are soiled.
Clean them with a dry cloth.
Q2: Nothing happens when a button is
A2: • The POWER switch is set to OFF/HOLD
Slide the POWER switch to the ON
Q3: The sound is quiet or there is no sound
from the speaker during playback.
A3: The earphone plug is plugged into the
The volume is set to the low level.
Q4: Recording is not possible.
A4: By pressing the REC (x) button:
• Check if the display shows [Memory full].
• Check if the display shows [Reached
maximum number of files].
Q5: The playback speed is too fast (slow).
A5: The recorder is set to fast (slow) Playback.
Use the PLAY SPEED button to set to
Built-in memory: 2GB
SD card: 512 MB to 32 GB
/ : 70 to 11,000 Hz
: 70 to 3,800 Hz
Guide to recording times (Internal memory):
/ : Approx. 62 h.
: Approx. 166 h.
Electret Condenser Microphone (monaural)
Built-in ø 36 mm round dynamic speaker
Maximum headphone output:
â 150 mV (according to EN 50332-2)
MIC jack (monaural):
ø 3.5 mm mini-jack, impedance 2 kΩ
EAR jack (monaural):
ø 3.5 mm diameter, impedance 8 Ω or more
2 x AAA alkaline batteries (Manganese
batteries cannot be used in this recorder)
Guide to alkaline battery life:
During recording mode
/ : Approx. 60 h.
: Approx. 81 h.
During playback mode (Built-in speakers)
/ : Approx. 23 h.
: Approx. 24 h.
During playback mode (Earphone)
/ : Approx. 57 h.
: Approx. 62 h.
105.5 (L) mm x 53 (W) mm x 19.7 (T) mm
96 g (including battery)
0°C - 42°C
• Battery life is measured by Olympus. It varies
greatly according to the type of batteries
used and the conditions of use.
• Your recorded contents are for your personal
use or pleasure only. It is prohibited to record
copyrighted material without permission of the
copyright holders according to copyright law.
• Specifications and design are subject to change
without notice for improvement of performance.
The“CE”mark indicates that
this product complies with the
European requirements for safety,
health, environment and customer
This symbol [crossed-out wheeled
bin WEEE Annex IV] indicates
separate collection of waste electrical
and electronic equipment in the EU
countries. Please do not throw the
equipment into the domestic refuse.
Please use the return and collection
systems available in your country for
the disposal of this product.
Applicable Product: DP-311
This symbol [crossed-out wheeled
bin Directive 2006/66/EC Annex
II] indicates separate collection of
waste batteries in the EU countries.
Please do not throw the batteries
into the domestic refuse. Please use
the return and collection systems
available in your country for the
disposal of the waste batteries.
For customers in North and South America
This equipment has been tested and found
to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide
reasonable protection against harmful
interference in a residential installation.
This equipment generates, uses and can
radiate radio frequency energy and, if not
installed and used in accordance with the
instructions, may cause harmful interference
to radio communications. However, there
is no guarantee that interference will not
occur in a particular installation. If this
equipment does cause harmful interference
to radio or television reception, which can be
determined by turning the equipment off and
on, the user is encouraged to try to correct the
interference by one or more of the following
• Reorient or relocate the receiving antenna.
• Increase the separation between the
equipment and receiver.
• Connect the equipment into an outlet on
a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/
TV technician for help.
This digital apparatus does not exceed the
Class B limits for radio noise emissions from
digital apparatus as set out in the Radio
Interference Regulations of the Canadian
Department of Communications.
Cet appareil numérique ne dépasse pas les
limites de Catégorie B pour les émissions de
bruit radio émanant d’appareils numériques,
tel que prévu dans les Règlements sur
l’Interférence Radio du Département
Canadien des Communications.
OLYMPUS IMAGING CORP.
2951 Ishikawa-machi, Hachioji-shi, Tokyo 192-8507, Japan.
Tel. +81 (0)42-642-6162
OLYMPUS EUROPA HOLDING GMBH
(Premises/Goods delivery) Modul H, Willi-Bleicher Str. 36, 52353 Düren, Germany.
Tel. +49 (0)40-237730
(Letters) Postfach 10 49 08. 20034 Hamburg, Germany.
OLYMPUS IMAGING AMERICA INC.
3500 Corporate Parkway, P.O. Box 610, Center Valley,
PA 18034-0610, U.S.A. Tel. 1-888-553-4448