Garmin GMA 347 User Manual - Free PDF Download

Page 2 - Garmin GMA 347 Pilot’s Guide; WARRANTY; LIMITED WARRANTY

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B WARRANTY LIMITED WARRANTY This Garmin product is warranted to be free from defects in materials or workmanship for two years from the date of purchase. Within this period, Garmin will, at its sole option, repair or replace any components that fail in ...

Page 3 - COPYRIGHT; Garmin

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 1 COPYRIGHT Copyright © 2007 Garmin Ltd. or its subsidiaries. All rights reserved.This manual reﬂects the operation of Software version 4.00 or later. Some differences in operation may be observed when comparing the information in this manual to earli...

Page 4 - Layout

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 2 Layout Marker Beacon Indicators Marker Beacon Hi/Lo Sensitivity Transmit Receive Keys Com Receiver Keys Nav Receiver Keys Marker Mute Key Telephone and Speaker Keys Intercom Isolation Keys Recording Playback Key Split Com Key Pilot’s Squelch Knob Co...

Page 6 - Description; INTRODUCTION; PLAY

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 4 Description INTRODUCTION The Garmin GMA 347 is an audio control panel and marker beacon system. Pushbutton keys control audio selection of COM, NAV, telephone and intercom. With the exception of the PLAY key, LED annunciators indicate when a key fun...

Page 7 - The GMA 347 Audio Panel can accept up to six (6); Intercom; The intercom system provides four modes of isolation:

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 5 Description Microphones The GMA 347 Audio Panel can accept up to six (6) microphone inputs, allowing for a two-person crew and up to four (4) passenger intercom stations in the aircraft. NOTE: A push-to-talk (PTT) switch must be pressed to transmit ...

Page 8 - COM Muting on Receive

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 6 Description In Crew Isolation mode, the Pilot and Copilot can communicate with each other while the passengers are able to communicate only with each other. In All mode, there is no isolation and every occupant can communicate with every other occup...

Page 9 - TEL; Auxiliary Entertainment Inputs

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 7 Description Telephone The GMA 347 provides a 2-way telephone interface. Operation depends on the state of the TEL key and ICS mode. See the ICS Isolation Modes & Telephone Distribution table in the operation section of this manual. Telephone com...

Page 10 - Operation; SYSTEM OPERATION; Multifunction Controls; MAN; Voice Recorder

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 8 Operation SYSTEM OPERATION Multifunction Controls The Pilot side volume knob controls the ON and OFF function, the pilot’s intercom volume plus manual and automatic squelch. When pressed, manual squelch is selected and the MAN SQ LED is ON indicatin...

Page 11 - Pressing the

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 9 Operation Pressing the PLAY key plays back the most recent message. Pressing the PLAY key again stops that message and skips to the next preced-ing message. The MKR/MUTE key cancels the playback. In Split COM mode, the pilot’s or the copilot’s COM a...

Page 12 - When in PA mode, the; SPKR; LED blinks at a faster rate than; COM MIC; Transmit Interlock

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 10 Operation When in PA mode, the SPKR LED blinks at a faster rate than that of the COM MIC key indicators. NOTE: Garmin makes no expressed or implied guarantees regarding the suitability of the Split COM feature in any given installation. Transmit In...

Page 13 - SENS

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 11 Operation MARKER BEACON RECEIVER The GMA 347 marker beacon receiver and indicators are part of the ILS system. The marker beacon lamps operate independently of any audio selection and cannot be turned off. The GMA 347 can drive external marker lamp...

Page 14 - ICS Isolation Modes & Telephone Distribution

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B 12 Operation Mode PILOT LED COPLT LED TEL LED Pilot Hears Copilot Hears Passenger Hears Input to Phone ALL OFF OFF OFF Selected radios; pilot; copilot; passengers; MUSIC 1 Selected radios; pilot; copilot; passengers; MUSIC 1 Selected radios; pilot; co...