Olympus DM-720 User Manual

6
Troubleshooting
99
EN
Problem Possible cause Solution
The display is blank.
The battery is not inserted
properly.
Check that the positive and negative
terminals of the battery are placed
correctly (☞P. 9).
The remaining battery power
is low.
Replace or charge the battery (☞P. 9,
P. 12).
The power is OFF.
Turn the power ON (☞P. 10).
Unable to operate the
voice recorder
The remaining battery power
is low.
Replace or charge the battery (☞P. 9,
P. 12).
The power is OFF.
Turn the power ON (☞P. 10).
The voice recorder is in HOLD
mode.
Release HOLD mode (☞ P. 19).
Unable to record
There is no remaining memory.
Erase unneeded files (☞P. 47).
The maximum number of
recordable files has been reached.
Select another folder (☞P. 22).
Playback is inaudible.
The earphones are connected to
the earphone jack.
To output the playback through the built-
in speaker, disconnect the earphones.
[Off] has been selected for
[Speaker].
To output the playback through the
built-in speaker, select [On] for [Speaker]
(☞P. 66).
The volume is set to [00].
Adjust the volume (☞ P. 34).
The recording is too
quiet.
A low recording level has been
set.
Redo recording after setting the recording
level to [High] or [Middle] (☞ P. 54).
The output level of the connected
external device may be too low.
Adjust the output level of the external
device.
The recording level hasn’t been
adjusted.
Redo recording after adjusting the
recording level (☞ P.54).
Audio file sound is
distorted.
The recording level hasn’t been
adjusted.
Redo recording after adjusting the
recording level (☞P.54).
The voice recorder’s recording
level, or the output level of the
connected external device may
be too high.
If the problem continues after adjusting
the voice recorder’s recording level
(☞P. 54), adjust the output level of the
external device.
Troubleshooting

Olympus DM-720 Specifications

General

Playback time	46 h
WMA bit rates	5 - 32 Kbit/s
Recording modes	-
Built-in microphone	Yes
LP mode recording time	1570 h
Maximum recording time	60 h
Audio formats supported	WMA
LP mode frequency response	200 - 3000 Hz
Display diagonal	1.39 \
Output power	200 mW
Loudspeaker diameter	20 mm
Number of built-in speakers	1
Interface	USB
Media types supported	Internal memory
Built-in memory capacity	4 GB
Compatible battery sizes	AAA
Number of batteries supported	2
Product color	Silver
Audio recording formats	MP3, PCM
Connectivity technology	Wired
Number of folders messages	4
Number of messages per folder	199
Operating temperature (T-T)	0 - 42 °C
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Windows operating systems supported	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8.1
Cables included	Micro-USB

Weight and Dimensions

Width	37.5 mm
Height	108 mm
Weight	67 g