Garmin 530 User Guide
26
1 - COM
Emergency Channel
The GNS 530’s emergency channel select provides a quick method of selecting 121.500 MHz as the active
frequency in the event of an in-fl ight emergency. The emergency channel select is available whenever the unit
is on, regardless of GPS or cursor status, or loss of the display.
is on, regardless of GPS or cursor status, or loss of the display.
To quickly tune and activate 121.500, press and hold the COM fl ip-fl op key for ap prox i-
mately two sec onds.
mately two sec onds.
Stuck Microphone
As mentioned earlier, whenever the GNS 530 is transmitting, a “TX” indication appears in the COM
window. If the microphone is stuck or ac cidentally left in the keyed position, or continues to transmit after
the key is released, the COM transmitter automatically times out (or ceases to trans mit) after 35 seconds of
continuous broadcasting. You will also receive a “COM push-to-talk key stuck” message as long as the stuck
condition exists.
the key is released, the COM transmitter automatically times out (or ceases to trans mit) after 35 seconds of
continuous broadcasting. You will also receive a “COM push-to-talk key stuck” message as long as the stuck
condition exists.
Emergency Channel / Stuck Mic
Press and hold the COM fl ip-fl op key for two
seconds to activate the 121.500 MHz emergency
frequency.
seconds to activate the 121.500 MHz emergency
frequency.
A “COM push-to-talk key stuck” message appears
to warn you of a stuck microphone. Transmitting is
disabled after 35 seconds of continuous broad-
cast ing.
to warn you of a stuck microphone. Transmitting is
disabled after 35 seconds of continuous broad-
cast ing.
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4/11/2003, 8:56:14 AM