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RQT9124
39
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Symptom Checkpoints
Playing
There is no sound from the
earphones or it is difficult to
hear or noisy.
• Ensure the plug is inserted firmly.
• Wipe the plug clean.
Sound is distorted. • Please lower the microphone sensitivity (
➜
page 14) or keep the
distance from the recording sound source.
No sound from the speaker. • There is no sound when you have connected earphones.
I hear noises. • Move a mobile telephone away from this unit when you use the two in
the same area.
Recorded sounds contain noise that
makes it difficult to hear sounds.
• Reduce noise (
➜
page 19). Noise is reduced and listening may
become easier.
Others
The power cannot be turned
on.
• The battery may have run out. When you use a rechargeable battery,
charge battery (
➜
page 5). When you use a dry-cell battery, replace
the battery with a new one.
The power automatically
turns off.
• When you do not operate for more than approx. 15 minutes, the
power automatically turns off. When any button is pressed or [HOLD]
switch is operated, the power turns on (
➜
page 6).
Cannot delete a file or folder. • The file is protected (
➜
page 13).
• The folder is already empty.
This unit is not recognised by
a computer.
•
The OS on the computer may not be compliant with this unit (
➜
page 34).
• The password has been set (
➜
page 25).
• Is a battery in this unit? If it is not, insert a battery.
•
When the voltage of the battery is too low, “ ” is displayed and the
computer cannot recognise this unit
(
➜
page 37)
.