Garmin GMA 345 3-COM Manual do Piloto - Página 19

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PASSENGER MUTING

Press and hold NAV2 to enable/disable passenger muting during COM

audio reception. The aural message "Passenger Mute Enabled/Disabled"

is heard.

SPEAKER

Speaker audio turns off in circumstances where aircraft power

NOTE:

falls below 11 volts.

All of the radios can be heard over the cabin speaker. Pressing the SPKR

Key selects and deselects the cabin speaker. Speaker audio is muted when

the PTT is pressed. Certain aural alerts and warnings (autopilot, traffic,

altitude) are always heard on the speaker, even when the speaker is not

selected.

assenger

Press and hold the SPKR Key for one second to initiate Passenger

Address Mode. PA Mode is annunciated by a rapid blinking of the

SPKR annunciator. When in PA Mode the crew can use the PTT "Push-

to-Talk" button to deliver announcements over the speaker and to the

passenger headsets.

-Pa M

PliT

During Split-PA Mode the pilot can continue to use COM1 or COM2

for transmission while the copilot delivers PA announcements. To

initiate Split-PA Mode, first enter Split-COM Mode by pressing any two

MIC Keys simultaneously, then press and hold the SPKR Key for one

second.

190-01878-05 Rev. A

Speaker Key

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Garmin GMA 345 3-COM Pilot's Guide

GMA 345 3-COM Audio Panel

(Pa M

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