Garmin GMA 350 Panduan Pilot - Halaman 21

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Halaman Cetak

GMA 350/350c Audio Panel

-PA M

PLIT

During Split-PA Mode the pilot can continue to use the radio(s) while

the copilot delivers PA announcements. To initiate Split-PA Mode, ﬁrst

enter Split-COM Mode by pressing both MIC Keys simultaneously,

then press and hold the SPKR Key for 2 seconds.

3D AUDIO

3D Audio is useful when multiple audio sources are present. By using

different responses in each ear, 3D audio processing creates the illusion that

each audio source is coming from a unique location or seat position.

Because this feature uses different signals for left and right channels, it

requires wiring for stereo intercom and stereo headsets. If 3D audio is

activated when mono headsets are in use, the listener will still hear all audio

sources; however, there is no beneﬁt from location separation.

With a single COM selected and 3D Audio enabled, the listener hears

the audio source at the 12 o'clock position. If both COMs are selected,

the listener hears COM1 at 11 o'clock and COM2 at the 1 o'clock position.

All other intercom positions are processed to sound like their relative seat

location. By default, the GMA 350/350c assumes the pilot sits in the left

seat. A Garmin authorized service center can make changes to the default

conﬁguration.

NABLING

Press and hold the PILOT Key to toggle 3D audio processing on and

off for all headset positions. When 3D Audio is enabled, the aural

message "3D audio left" is heard in the left ear followed by "3D audio

right" in the right ear. If the aural messages are not heard in only the

left and then the right ear respectively, the cause may be aircraft wiring

or headset settings. Refer to the following table if a headset or aircraft

wiring problem is suspected.

ODE

3D A

UDIO

Garmin GMA 350/350c Pilot's Guide

190-01134-12 Rev. K