In Case Of Difficulty - Kenwood TH-77A Instruction Manual

6-3. IN CASE OF DIFFICULTY
The problems described in this table are failures caused,
in general,
by improper operation or connection of the
transceiver, not by defective components. Examine and check according to the following table.
Symptom Probable cause
Corrective action
Indicators do not and
receiver noise
POWER switch is turned on.
All the indicators flash.
light
no
is heard when the
1. Low voltage.
2. With optional DC cable:
1) Bad power
connections.
cable or
. Recharge/ replace the battery.
" 4) Check cables and connections.
Memory cannot be backed up.
Backup battery voltage is low.
Contact the authorized dealer.
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