jotron Tron VHF, Operator'S Manual

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2 . 2 H O W T O O P E R A T E T R O N V H F
2.2.1 Switching ON and selecting channels
1) Turn VOL and SQ to position 0.
2) Turn TronVHF on by pushing the ON/16 button for 3 seconds.TronVHF is
now working on channel 16.
3) Adjust the sound volume by turning VOL. Use noise from the loudspeaker
to find a proper level.
4) Adjust the squelch level by turning SQ.Turn SQ carefully until noise from
the loudspeaker is suppressed. Be careful not to turn the squelch level to
high.This may lead to no squelch opening when weak signals are received.
The TronVHF is now ready for reception.
5) Selecting another channel is done with the CH wheel. 16 light will switch
off and CH light will switch on.
Re-selecting the channel 16 is done by pressing ON/16.
2.2.2 Emergency call sequence
1) Start the emergency call sequence by selecting channel 16.
2) Emergency calling:
– Push PTT and send the emergency signal MAYDAY, repeated
three times,
– the words;THIS IS,
– call sign or other identification on the mobile station being at
distress, repeated three times.
– Release PTT.