jotron Tron VHF, Operator'S Manual

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5 . 4 C L E A N I N G O F D I R T A N D O I L
To clean away oil and dirt from the radio, use ordinary dish-soap and water. Immerse
the radio into the solution for apx. 5 min. and wash it clean.
The water temperature can be up to 45°C warm. Finish of by rinsing with fresh water.
6 TROUBLESHOOTING
6 . 1 P R E C A U T I O N S
– Before shipping TronVHF for repair, please check fundamental procedures on
operation and battery condition.
– On repair please contact your nearest JOTRON agent.
– Do not disassemble TronVHF unless you have JOTRON service authorization.
– See the next chapter for failure diagnosis.This may be of help when discussing
problems with an JOTRON agent.
1 Battery If Tx light is flashing, change the battery.
Also check if Tx light is flashing during
transmitting.
2 Volume control Check if VOL control is smooth operating,
and check if sound is increasing gradually.
3 Squelch control Check if SQ control is smooth operating,
and check that noise is muted with
increasing squelch level.
4 Transmit Check that Tx is lighting when transmitting.
Tx light indicates that carrier is produced at
the antenna output.
5 Talk test Communicate with another radiotelephone
to test receive and transmit functions.
Step Unit Description
5 . 3 R E G U L A R T E S T P R O C E D U R E
It is important to perform regularly testing to ensure proper operation in case of a
distress situation. If TronVHF is used regularly, perform test every month.When
TronVHF is stored in a lifeboat or raft, perform test at least once a year.