Transceivers; Split-Com Mode; Transmit Indications - Garmin GMA 245 Pilot's Manual

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GMA 245 Audio Panel

TRANSCEIVERS

Audio from the #1 or #2 COM receiver can be selected independently by

pressing the respective Key(s) (COM1 or COM2).

Pressing COM1 MIC or COM2 MIC selects the #1 or #2 transmitter

and simultaneously selects the related COM receiver (COM1 or COM2)

allowing received audio to be heard. The other COM receiver can be added

by pressing the respective key. When transmitting on the MIC selected

COM, audio from the other COM radio is muted.

Split COM performance is affected by the distance between

NOTE:

the COM antennas and the separation of the tuned frequencies. If the

selected COM frequencies are too close together, interference may be

heard during transmission on the other radio.

During Split-COM operation, both the pilot and the copilot can transmit

simultaneously over separate radios.

Pressing both MIC Keys simultaneously initiates Split-COM Mode.

The COM1/COM1 MIC and COM2/COM2 MIC in-key annunciators are

illuminated indicating Split-COM operation. Split-COM operation is

cancelled by pressing one of the selected MIC Keys again.

In Split-COM mode, the pilot uses COM1 and the copilot uses COM2

During COM transmission, the active transceiver (COM1 MIC or

COM2 MIC) in-key Annunciator flashes approximately once per second.

During Split-COM transmission, the COM1 MIC annunciator flashes

when the pilot' s microphone PTT is pressed. The COM2 MIC annunciator

flashes when the copilot' s microphone PTT is pressed.

Garmin GMA 245 Pilot's Guide

190-01879-10 Rev. F

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