Accessories (Optional); Specifications - Olympus DM-20 Mode D'emploi

Accessories
(optional)
Stereo Microphone: ME50S
To create stereo recordings in WMA format
with clear sound and reduced noise.
Noise-Cancellation microphone: ME12
(Dictation microphone)
Used to get crisp recordings of your own voice
by reducing the effects of ambient noise.
AC adapter: A321 (US and Canada) or A322
(Europe except U.K.)
Ni-MH Rechargeable Battery Charger: BU-
400
Charger for AA batteries (1 to 4) or 1 to 2
AAA batteries.
Ni-MH Rechargeable Battery: BR401
High-ef ficiency rechargeable long life
batteries.
Connecting cord: KA232*
Use to connect the microphone jack of this
unit to a radio or other sound source.
Plug adapter: PA3
A mini plug adapter to connect 2.5 mm mini-
plug devices such as microphone to the
recorder 3.5 mm mini-jack.
* Use this accessory with the PA3 plug adapter.

Specifications

For the Digital Voice Recorder
Recording format
DSS (Digital Speech Standard)
WMA (Windows Media Audio)
Input level –70 dBv
Sampling frequency
SHQ mode: 44.1 kHz
HQ mode: 44.1 kHz
SP mode: 12 kHz
LP mode: 8 kHz
Overall frequency response
SHQ mode: 300 to 8,000 Hz
HQ mode: 300 to 7,000 Hz
SP mode: 300 to 5,000 Hz
LP mode: 300 to 3,000 Hz
Recording time
DM-20 (128 MB)
SHQ mode: 4 hours 20 minutes
HQ mode: 8 hours 45 minutes
SP mode: 20 hours 55 minutes
LP mode: 44 hours 45 minutes
DM-10 (64 MB)
SHQ mode: 2 hours 10 minutes
HQ mode: 4 hours 20 minutes
SP mode: 10 hours 25 minutes
LP mode: 22 hours 20 minutes
Alkaline battery life
Recording: Approx. 16 hours
Playback: Approx. 9 hours
Ni-MH Rechargeable Battery life
Recording: Approx. 12 hours
Playback: Approx. 8 hours
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