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External Alarm
This section sets the action of the external alarm output, on pin 17 of the 25 pin D
auxiliary connector, activated when a Selcall is received by the transceiver. It can
be set to either a pulse output (for use with a horn) where the output is activated 15
seconds on, 15 seconds off; or a constant output (for use with a rotating beacon).
Both are reset by pressing the clear key or action of the PTT button.
Use the Scroll keys to select the setting required (example
shown “Pulsed”):-
press the key
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