Garmin GMA 350H Pilot's Manual
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Garmin GMA 350H Pilot's Manual

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GMA 350H/350Hc
Pilot's Guide

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  • Page 1 GMA 350H/350Hc Pilot’s Guide...
  • Page 2 ©2017 The Bluetooth word mark and logos are registered trademarks owned by ® Bluetooth SIG, Inc. and any use of such marks by Garmin is under license. Other trademarks and trade names are those of their respective owners. October, 2017 190-01134-14 Rev.
  • Page 3 (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; or (v) damage to a product that has been modified or altered without the written permission of Garmin. In addition, Garmin reserves the right to refuse warranty claims against products or services that are obtained and/or used in contravention of the laws of any country.
  • Page 4 Distributor warranties are only valid in the area of intended distribution. Devices purchased in the U.S. or Canada must be returned to the Garmin service center in the U.K., the U.S., Canada or Taiwan for service.
  • Page 5 NOTE This device does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device under Part 15 regulations.
  • Page 6 Declaration of Conformity Hereby, Garmin declares that this product is in compliance with the Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: www.garmin.com/compliance.

  • Page 7: Table Of Contents

    ® Pairing a Bluetooth Device with the GMA 350Hc ...........38 Assigning an Audio Source to the Bluetooth Device ..........38 Additional Bluetooth Control Functions ..............39 Connecting Bluetooth to a Garmin VIRB ..............39 Bluetooth Recording Mode ..................40 ® Fail-safe Operation ................... 40...

  • Page 8: Controls

    GMA 350H/350Hc Audio Panel CONTROLS GMA 350H Controls GMA 350H (Traffic) Controls GMA 350Hc (Bluetooth ) Controls ® Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 9 MUSIC – Selects and deselects music entertainment audio. Press and hold to enable/disable MUSIC muting during reception. MAN SQ – Manual Squelch annunciator. When lit, squelch is controlled manually. Volume Indicator – Indicates volume/squelch setting relative to full scale. 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 10 COPLT – Controls the copilot intercom system. Press and hold to toggle copilot configuration between crew and passenger. PASS – Controls the passenger intercom system. Press and hold to enable/disable passenger muting during reception. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 11 Bluetooth audio source. NOTE: The Bluetooth audio can only be assigned to one source at a time. Once the Bluetooth audio is assigned to an audio source, the remaining entertainment audio sources will only cycle between OFF and GREEN. 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...

  • Page 12: Features And Operation

    “Bluetooth paired” is played. FEATURES AND OPERATION The GMA 350H/350Hc Audio Panel provides the traditional audio selector functions of microphone and receiver audio selection. The Audio Panel includes an intercom system (ICS), a marker beacon receiver, and a COM clearance recorder.

  • Page 13: Power-Up

    Audio Panel annunciator lights illuminate for approximately two seconds. Once the self-test is completed, most of the settings are restored to those in use before the unit was last turned off. For the GMA 350H/350Hc Traffic unit, the TRFC audio is automatically enabled when the unit is powered-up, regardless of its state prior to the power cycle.

  • Page 14: Enabling/Disabling Monitored Com Muting

    MIC Keys again. When in Split-COM mode, the pilot is using the lower numbered COM, and the copilot is using the higher numbered COM. COM2 Radio is Selected Selecting a COM Radio for Transmit Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 15: Transmit Indications

    The selected audio source can be heard over the headset and the speaker (if selected). All radios can be selected individually or simultaneously. Selecting a NAV Radio Receiver 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...

  • Page 16: Marker Beacon Receiver

    The marker beacon receiver detects any marker beacon signal within the reception range of the aircraft. The GMA 350H/350Hc has the ability to drive optional external marker lamps. Marker beacon lamps operate independently of any audio selection and cannot be turned off.

  • Page 17: Intercom System (Ics)

    NOTE: commands. Refer to the Voice Recognition section for more information. The GMA 350H/350Hc includes a six-position intercom system (ICS), one MUSIC input, and one telephone/entertainment input for the pilot, copilot and passengers. The intercom provides Pilot, Copilot, and Passenger audio isolation.

  • Page 18: Copilot Configured As Crew Or Passenger

    (COPLT Key disabled). Pressing and holding the COPLT Key toggles the copilot position configuration between passenger and crew. The aural message “Copilot as Passenger” or “Copilot as Crew” is heard. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 19: Intercom Modes

    In ‘All Intercom’ mode the Pilot, Copilot, and Passengers hear each other and hear the aircraft audio. Aircraft Audio PILOT COPLT PASS ICS Keys Mode Operation 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 20 Mode Operation assenger solaTe In ‘Passenger/Crew Isolate’ mode the Pilot and Copilot hear the aircraft audio and each other. The Passengers hear each other. Aircraft Audio PASS PILOT COPLT ICS Keys Mode Operation Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 21 In ‘All Isolate’ mode the Pilot hears the aircraft audio. The Copilot has the option to use Split-COM mode. The Passengers hear each other. Split-COM Aircraft Audio (Optional) PILOT COPLT PASS ICS Keys Mode Operation 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 22 & P iloT assenger solaTe In ‘Pilot & Passenger Isolate’ mode the Pilot and Copilot hear the aircraft audio. The Passengers hear each other. Aircraft Audio PILOT PASS COPLT ICS Keys Mode Operation Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 23: Intercom Volume And Squelch

    The cursor will time-out after a few seconds and the position of the cursor will always default back to the PILOT Key. Pressing the small knob cancels the cursor. 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 24 Selecting any key other than PILOT, COPLT, PASS, MUSIC, or will cancel Blue-Select Mode. Pressing the small knob will also cancel Blue-Select Mode. After approximately 20 seconds with no input, the Blue-Select Mode will automatically cancel. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 25 Control Knob adjusts the individual volume of the selected source. Manual Squelch Annunciator; Off for Relative Volume/ Automatic Squelch, On for Manual Squelch Squelch Scale Volume or Manual Squelch Cursor Volume/Squelch Control 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...

  • Page 26: Speaker

    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 more that one MIC Keys simultaneously, then press and hold the SPKR Key for 2 seconds. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 27: 3D Audio

    All other intercom positions are processed to sound like their relative seat location. By default, the GMA 350H/350Hc assumes the pilot sits in the right seat. A Garmin authorized service center can make changes to the default configuration. ENABLING 3D AUDIO Press and hold the PILOT Key to toggle 3D audio processing on and off for all headset positions.

  • Page 28: 3D Audio Troubleshooting

    This wiring fault can cause fail-safe ears. “3D instead of left or left/ audio not to function. audio left” not right swapped) heard Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 29 This wiring fault can cause fail-safe ear only, no instead of left, or left/ audio not to function. audio heard in right swapped) left ear 3D Audio Troubleshooting 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...

  • Page 30: Clearance Recorder And Player

    GMA 350H/350Hc Audio Panel CLEARANCE RECORDER AND PLAYER The GMA 350H/350Hc contains a digital clearance recorder that records up to 2.5 minutes of the selected COM radio signal. Recorded COM audio is stored in separate memory blocks. Once 2.5 minutes of recording time have been reached, the recorder begins recording over the stored memory blocks, starting from the oldest block.

  • Page 31: Voice Recognition

    The pilot should repeat the command by using the Push-to-Command button, or by manually using the front panel controls of the GMA 350H/350Hc. In the event of any abnormal Voice Recognition operation, the front panel controls may be used to override Voice Recognition and manually control the GMA 350H/350Hc.
  • Page 32 Voice Response: “Monitored “Mute monitored COM disable” mute disabled”. “AUX” OR “Auxiliary” Toggles AUX audio “NAV one” Toggles NAV1 audio “NAV two” Toggles NAV2 audio Toggles TRFC audio (GMA TRFC “Traffic” 350H/350Hc Traffic only) Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 33 Voice Response: “Music 1 mute “Mute MUSIC” enabled” MUSIC “Disable MUSIC mute” Disables MUSIC mute on radio “MUSIC mute disable” reception. “Disable mute MUSIC” Voice Response: “Music 1 mute disabled”. “Mute MUSIC disable” 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 34 Configures Copilot as a passenger. “Copilot as passenger” OR “Copilot as pass” Voice Response: “Copilot as passenger”. Copilot Configuration Configures Copilot as flight crew. “Copilot as crew” Voice Response: “Copilot as crew”. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...
  • Page 35 Cancels cursor when cursor is Cursor “Cursor cancel” OR flashing “Cancel cursor” “(Desired selection*) volume Increases volume of desired up” selection Volume Adjustments “(Desired selection*) volume Decreases volume of desired down” selection 190-01134-14 Rev. L Garmin GMA 350H/350Hc Pilot’s Guide...
  • Page 36 Enables 3D audio (refer to page “Three-D audio” Voice Response: “Three-D audio left, three-D audio right” 3D Audio Enables standard audio (disables 3D audio) “Standard audio” Voice Response: “Standard Audio” Voice Recognition Commands Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 37: Entertainment Inputs

    GMA 350H/350Hc Audio Panel ENTERTAINMENT INPUTS The GMA 350H/350Hc provides two 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. • The MUSIC Key controls the Entertainment Music audio input.

  • Page 38: Bluetooth ® (Gma 350H C Only)

    If the Bluetooth connection is supporting a phone call, all intercom positions listening to that source can also speak on the call through the headset MICs. Garmin GMA 350H/350Hc Pilot’s Guide 190-01134-14 Rev. L...

  • Page 39: Additional Bluetooth Control Functions

    Pairing a Garmin VIRB to the GMA 350Hc works like pairing other Bluetooth audio devices. Once connected, pilot headphone audio will be delivered to the VIRB via Bluetooth. In a connection to the Garmin VIRB, the GMA is the source. Therefore, selecting an entertainment button is not required.

  • Page 40: Bluetooth ® Recording Mode

    (does not require manual enabling). FAIL-SAFE OPERATION If there is a failure of the GMA 350H/350Hc or when power is not applied, a fail-safe circuit connects the pilot’ s headset and microphone directly to the COM1 transceiver. Audio is not available on the speaker during Fail-safe operation.
  • Page 42 Liberty House, Hounsdown Business Park Southampton, Hampshire SO40 9LR U.K. Garmin Corporation No. 68, Zhangshu 2nd Road Xizhi District, New Taipei City, Taiwan Contact Garmin Product Support at www.flygarmin.com www.garmin.com 190-01134-14 Rev. L © 2011-2013, 2015-2017 Garmin Ltd. or its subsidiaries...

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