Instruction/ maintenance manual of the product GMA 350 Garmin
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GMA 350 pilot’ s guide.
Copyright © 2011 Garmin Ltd. or its subsidiaries . All rights reserved. T his manual reflects the operation of GMA 350 units with mod level 0 or later . Some differences in operation may be observed when comparing the information in this manual to earlier or later Mod status levels .
LIMITED W ARRANTY T his Garmin product is warr anted 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 normal use .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 4 GMA 350 Audio Panel CONTROLS GMA 350 Controls 21 14 15 17 12 13 11 19 20 18 16 10 8 6 4 2 3 5 7 9 1 NOTE: When a k ey is selected, a triangular annunciator above the k ey is illuminated. 1 MKR/MUTE – Selects marker beacon receiver audio.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 5 GMA 350 Audio Panel 6 – Selects and deselects audio from a telephone or entertainment device connected to the Front Panel Jack. Audio fr om a telephone connected to the rear of the audio panel is used if a device is not connected to the Front Panel Jack.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 6 GMA 350 Audio Panel 15 AUX – When selected, audio from the AUX inputs can be hear d. 16 PILOT – Controls the pilot inter com system. Press and hold to toggle 3D Audio on/off for all headset positions.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 7 GMA 350 Audio Panel FEA TURES AND OPERA TION The GMA 350 Audio Panel provides the traditional audio selector functions of microphone and r eceiver audio selection. The Audio Panel includes an intercom system (ICS), a marker beacon r eceiver , and a COM clearance recor der .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 8 GMA 350 Audio Panel MONO/STEREO HEADSETS Stereo headsets are r ecommended when using the GMA 350.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 9 GMA 350 Audio Panel SPLIT -COM MODE NOTE: Split COM performance is affected by the distance between 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 .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 10 GMA 350 Audio Panel TRANSMIT INDICA TIONS During COM transmission, the active transceiver (MIC1 or MIC2) Key Annunciator flashes approximately once per second. During Split-COM transmission, the MIC1 annunciator flashes when the pilot’ s microphone PTT is pressed.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 11 GMA 350 Audio Panel MARKER BEA CON RECEIVER The marker beacon receiver detects any marker beacon signal within the reception range of the air craft. When a marker beacon signal is detected, the lamps illuminate, and an associated keyed-tone is heard when MKR audio is selected.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 12 GMA 350 Audio Panel T urning Marker Beacon Audio On W ith the MKR/MUTE annunciator off, pr ess the MKR/MUTE Key to activate marker beacon audio and illuminate the MKR/MUTE annunciator . Muting Marker Beacon Audio During marker beacon audio reception, pr ess the MKR/MUTE Key to mute the audio.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 13 GMA 350 Audio Panel INTERCOM SY STEM (ICS) NOTE: Intercom functions may also be accessed via V oice Recognition commands .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 14 GMA 350 Audio Panel INTERCOM MODES NOTE: In the following modes the copilot position is configured as crew . NOTE: In the default ICS configuration, only the pilot and copilot positions can hear aircraft alerts .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 15 GMA 350 Audio Panel ICS K eys Mode Operation Aircraft Audio P ASS PILO T COPL T P assenger/Crew Isolate Mode In ‘Passenger/Crew Isolate’ mode the Pilot and Copilot hear the aircraft audio and each other .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 16 GMA 350 Audio Panel Copilot Isolate Mode In ‘Copilot Isolate’ mode the Pilot and Passengers hear the aircraft audio and each other .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 17 GMA 350 Audio Panel Pilot & Copilot Isolate Mode In ‘Pilot & Copilot Isolate’ mode the Pilot and Passengers hear the aircraft audio.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 18 GMA 350 Audio Panel Copilot & P assenger Isolate Mode In ‘Copilot & Passenger Isolate’ mode the Pilot can hear the air craft audio. The Copilot has the option to use Split-COM mode. The Passengers hear each other .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 19 GMA 350 Audio Panel Blue-Select Mode (T elephone/Entertainment Distribution) The Blue-Select Mode is entered by pressing the small knob when the volume control cursor (flashing white annunciator) is not active.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 20 GMA 350 Audio Panel Adjusting Speaker V olume When the cursor is on SPKR, the V olume Contr ol Knob adjusts the speaker volume of the selected sources (COM, NA V , AUX, MKR).
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 21 GMA 350 Audio Panel P assenger Address Mode (P A Mode) Press and hold the SPKR Key for 2 seconds to initiate Passenger Address Mode. P A Mode is annunciated by a rapid blinking of the SPKR annunciator .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 22 GMA 350 Audio Panel Enabling 3D Audio 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 .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 23 GMA 350 Audio Panel 3D Audio T roubleshooting Symptom(s) Cause(s) Solution(s) “3D audio right” message heard in both ears .
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 24 GMA 350 Audio Panel CLEARANCE RECORDER AND PLA YER The GMA 350 contains a digital clearance recor der that recor ds up to 2.5 minutes of the selected COM radio signal. Recor ded COM audio is stored in separate memory blocks.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 25 GMA 350 Audio Panel If a command is incorrectly interpreted by the GMA 350, a negative acknowledgement tone will be played. The pilot should repeat the command by using the Push-to-Command button, or by manually using the front panel controls of the GMA 350.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 26 GMA 350 Audio Panel Control Example Phrase Action “T elephone” “Phone” OR “Jack” T oggles (TEL/JACK) input “T elephone mute” “Mute telephone” “Phone mute” “Mute phone” “Jack mute” OR “Mute Jack” Mutes TEL/JACK on r adio reception.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 27 GMA 350 Audio Panel Control Example Phrase Action MUSIC “MUSIC two mute” OR “Mute MUSIC two” Mutes MUS2 on radio reception.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 28 GMA 350 Audio Panel Control Example Phrase Action Manual Squelch “Manual squelch” OR “Man squelch” T oggles manual squelch mode “Manua.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 29 GMA 350 Audio Panel Control Example Phrase Action V olume Adjustments “(Desired selection*) volume Displays the current volume but does not ch.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 30 GMA 350 Audio Panel ENTERT AINMENT INPUTS The GMA 350 provides thr ee stereo telephone/entertainment inputs: • The telephone/entertainment ( ) Key controls a telephone or entertainment device connected to the rear of the audio panel or to the Front Panel Jack.
190-01134-12 Rev . D Garmin GMA 350 Pilot’ s Guide 31 GMA 350 Audio Panel Blank P age.
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If you have not bought Garmin GMA 350 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garmin GMA 350 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin GMA 350 you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin GMA 350 will certainly help you make a decision on the purchase.
If you already are a holder of Garmin GMA 350, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garmin GMA 350.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin GMA 350. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin GMA 350 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
