Komatsu PC130-6K 2001 Operation & Maintenance Manual page 84

Hydraulic excavator
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11. EXPLANATION OF COMPONENTS
11.11 CAB RADIO (OPTION)
Refer to the separate operation manual for radio cassette.
Note
Ensure radio is switched off when leaving the machine for long peri-
ods to prevent draining of battery charge.
Antenna
If the reception is weak or generates noise, extend the antenna. If the
reception is too strong, adjust the sensitivity by retracting the antenna.
NOTICE
When transporting the machine or parking it in a garage, always fully
retract the antenna to avoid the possibility of breakage.
11.11.1
PRECAUTION OF USE
To ensure safe operation, adjust the volume level so that external
noise is still audible.
Ensure no water is splashed over the speaker case or cab radio to
prevent malfunction.
Never use solution such as benzine or thinners to clean the dial or
buttons. These should be wiped with a dry, soft cloth. (Use a cloth
dipping in alcohol for very dirty surfaces).
At battery replacement, all the memory pre-set with the pre-set but-
tons will be cleared. Perform pre-setting again.
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