Olympus DM-420 User Manual
Page 2

D I G I T A L T E C H N I C A L S U P P O R T
O L Y M P U S I M A G I N G A M E R I C A I N C .
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h t t p : / / w w w . o l y m p u s a m e r i c a . c o m / s u p p o r t
Olympus Imaging America Inc.
Page 2 of 14
Last updated on September 24, 2009
LCD
28 mm x 28 mm
LED
2 colors (orange = record/transfer/charging; green
= playback)
Folder Messages
Voice: 5 folders / Up to 999 files per folder
Music: 1 folder / Up to 999 files
Podcast: 1 folder / Up to 999 files
Sampling Frequency /
Bit Rate
MP3
320 kbps mode: 44.1 kHz / 320 kbps
256 kbps mode: 44.1 kHz / 256 kbps
192 kbps mode: 44.1 kHz / 192 kbps
128 kbps mode: 44.1 kHz / 128 kbps
WMA
ST XQ mode: 44.1 kHz / 128 kbps
ST HQ mode: 44.1 kHz / 64 kbps
ST SP mode: 22 kHz / 32 kbps
HQ mode: 44.1 kHz / 32 kbps
SP mode: 22 kHz / 16 kbps
LP mode: 8 kHz / 8 kbps
Overall Frequency
Response
MP3
320 kbps mode: 40 – 20,000 Hz
256 kbps mode: 40 – 20,000 Hz
192 kbps mode: 40 – 19,000 Hz
128 kbps mode: 40 – 17,000 Hz
WMA
ST XQ: 40 – 19,000 Hz
ST HQ: 40- 15,000 Hz
ST SP: 40 – 9,000 Hz
HQ: 40 – 13,000 Hz
SP: 40 – 8,000 Hz
LP: 40 – 3,000 Hz
LP Mode
Yes
Voice Activation
Available, switchable ON/OFF
Demographic Data Input
Yes
Practical Maximum Output
320 mW
Write Protection
Yes
Speaker
23 mm diameter, round dynamic speaker
Microphone Jack
3.5 mm mini-jack, impedance 2.2 kΩ
Earphone Jack
3.5 mm mini-jack, impedance 8 Ω or more