Sony ICD-57 - Manual (Page 30)

30
Troubleshooting
Should any problem persist after you have made these checks, consult
your nearest Sony dealer.
Symptom
The unit does not
operate.
No sound comes
from the speaker.
“FULL” is displayed
and you cannot start
recording.
Noise is heard.
Recording level is
low.
Playback speed is too
fast or too slow.
“--M--D --:--” is
displayed.
“--M--D” is displayed
on the REC DATE
display.
The unit does not
operate correctly.
Remedy
•The battery has been inserted with incorrect
polarity.
•The battery is weak.
•The buttons are locked with the HOLD
switch. (If you press any button, “HOLD”
will flash three times.)
•The earphone is plugged in.
•The volume is turned down completely.
•The memory is full. Erase some of the
messages. See page 16.
•99 messages have been recorded in the
selected file. Select another file or erase some
of the messages. See page 16.
•An object, such as your finger, etc.,
accidentally rubbed or scratched the unit
during recording so that noise was recorded.
•The unit was placed near an AC power
source, a fluorescent lamp or a mobile phone
during recording or playback.
•Earphone plug is dirty. Clean the plug.
•Microphone sensitivity is set to “SENS L”.
Set it to “SENS H”. See page 27.
•Set the PLAY SPEED switch to “NORMAL”.
See page 19.
•You have not set the clock. See page 8.
•The date of recording will not be displayed if
you recorded the message when the clock
was not set.
•Take out the battery and insert it again.