Olympus DM-520 Detailed Instructions page 122

Voice files are not
recorded in stereo
Cannot find the
recorded Voice File
Noise heard during
playback
Unable to erase the
file
Unable to erase the
folder
Noise is audible
through the recording
monitor
8
Unable to set index
marks, tempmarks
Cannot charge
1
The connected external microphone
is monaural.
[Rec Mode] is set to a monaural
recording mode.
Wrong folder.
The recorder was shaken during
recording.
The recorder was placed near a cell
phone or fluorescent lamp while
recording or during playback.
The file is locked.
The file is read-only.
There are folders which cannot be
recognized with the recorder.
Acoustic feedback is occurring.
The maximum number of marks has
been reached.
The file is locked.
The file is read-only.
Contains batteries other than the
Ni-MH rechargeable battery.
STOP4 button is not pressed.
Troubleshooting
When recording while an external
monaural microphone is connected,
sound will only be recorded by the
L-channel.
Set [Rec Mode] to the stereo
recording mode (☞ P.47).
Switch to the correct folder
(☞ P.24 to P.27).
- - - - - - - -
Move the recorder.
Unlock the file (☞ P.46).
Unlock the file or cancel the read-only
setting of the file on the PC.
Connect the recorder to PC for erasing
folders.
When the built-in speaker amps and
the like are connected there is a risk
that audio feedback will occur while
recording. It is recommended that
you use earphones for the recording
monitor.
Conduct adjustments like separating
the earphones from the microphone
further, do not point the microphone
at the earphones, lower the volume on
the recording monitor, and so on.
Erase unnecessary marks (☞ P.39).
Unlock the file (☞ P.46).
Unlock the file or cancel the read-only
setting of the file on the PC.
Please insert the chargeable batteries
provided.
Press and hold the STOP4 button and
connect to the PC and AC Adapter.