Operation Manual

13
Troubleshooting
LCD doesn’t
work.
Recording
doesn’t work.
Playback
doesn’t work.
No sound comes
from the speaker.
4 Replace the battery with
a new one. (Refer to page 4)
4 Install the battery to the
correct polarity.
4 Release the HOLD key.
4 Delete unnecessary files.
(Refer to pages 8)
4 Replace the battery with
a new one. (Refer to page 4)
4 Release the HOLD key
4 Check the folder and
file numbers.
4 Replace the battery with
a new one. (Refer to page 4)
4 Adjust the volume.
(Refer to page 4)
4 Plug the earphone
in properly.
Is the battery's
power exhausted?
Is the battery installed
to he correct polarity?
Is the device locked
by the HOLD key?
Has the memory or file
numbers been used up?
Is the battery's power
exhausted?
Is the device locked
by the HOLD key?
Could it be that there
is no voice file or MP3 file?
Is the battery's
power exhausted?
Is the volume set to '0'?
Is the earphone plugged
in properly?
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