Garmin GMA 345 Pilot's Manual
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Garmin GMA 345 Pilot's Manual

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  • Page 1 GMA 345 pilot’s guide...
  • Page 2 ©2016 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. July 2016 190-01878-01 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 Transmitter Grant of Equipment Authorization Contains FCC ID: Q0QWT32I NOTE This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 6 NOTE This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Cet appareil est conforme aux normes RSS sans licence d’Industrie Canada.
  • Page 7 Part Number Change Summary 190-01878-01 Initial release Date Description July, 2016 Production Release...

  • Page 8: Table Of Contents

    Enabling/Disabling Muting .....................25 Bluetooth ..........................25 ® Pairing a Bluetooth Device .....................26 Pairing to a Garmin VIRB X or VIRB XE Action Camera ...........27 Pairing To A Third-Party Camera ..................27 Disabling Bluetooth ......................28 Bluetooth Media Controls ....................28 Bluetooth Telephone Volume Controls ................28 USB Power Jack ............................29...
  • Page 9 GMA 345 Audio Panel FEATURES AND OPERATION The GMA 345 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, a COM clearance recorder, USB power jack, and Bluetooth audio.

  • Page 10: Power-Up

    GMA 345 Audio Panel POWER-UP The GMA 345 performs a self-test during power-up. During the self- test all 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.

  • Page 11: Transceivers

    COM2 MIC selects the #1 or #2 transmitter and simultaneously selects the related COM receiver (COM1 or COM2) allowing received audio to be heard. The other COM receiver can be added by pressing the respective key. 190-01878-01 Rev. A Garmin GMA 345 Pilot’s Guide...

  • Page 12: Split-Com Mode

    By default, while transmitting on a COM channel (as selected with the COM1 MIC and COM2 MIC keys), both the transmitting and receiving audio are heard on the COM channel. The GMA 345 can be configured to instead mute receiving audio on a transmitting COM channel. A Garmin authorized service center can make changes to the default configuration.
  • Page 13 COM2 MIC keys. copilot transmits on COM2 independently. * The pilot has priority when transmitting in the case that both crew members attempt to transmit on the same COM. Transceiver Key Functions 190-01878-01 Rev. A Garmin GMA 345 Pilot’s Guide...

  • Page 14: Receivers

    Selecting a NAV Radio Receiver AUXILIARY INPUTS The GMA 345 has 3 AUX inputs. There are two keys on the unit for AUX1 and AUX2. Pressing the AUX1 key selects or deselects both the AUX1 and AUX3 receivers. Pressing the AUX2 key selects or deselects only the AUX2 receiver.

  • Page 15: Marker Beacon Receiver

    3000 Hz White (Inner) The GMA 345 provides three states of marker beacon operation; On, Muted, and Deselected. The MKR/MUTE key annunciator indicates when marker beacon audio is selected. Marker beacon audio is not heard when the annunciator is off or when the annunciator is on with the marker beacon audio muted.

  • Page 16: Turning Marker Beacon Audio On

    INTERCOM SYSTEM (ICS) The GMA 345 includes a three-position intercom system (ICS), two MUSIC inputs, and one telephone/entertainment input for the pilot, copilot and passengers. The intercom provides Pilot and Crew audio isolation.

  • Page 17: Pilot Isolate Mode

    The outer, larger knobs are used to control music volume. The left inner knob can be used to turn off the GMA 345 audio panel, by turning fully counter-clockwise until the knob clicks. All backlight and annunciator LEDs will turn off.

  • Page 18: Ics Mute Music

    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. Garmin GMA 345 Pilot’s Guide 190-01878-01 Rev. A...

  • Page 19: Split-Pa Mode

    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 345 assumes the pilot sits in the left seat. A Garmin authorized service center can make changes to the default configuration.
  • Page 20 (right channel possible to inspect/correct wiring. both ears. “3D used for mono This wiring fault can cause fail-safe audio left” not instead of left or audio not to function. heard left/right swapped) Garmin GMA 345 Pilot’s Guide 190-01878-01 Rev. A...
  • Page 21 This wiring fault can cause fail-safe no audio heard in instead of left, or audio not to function. left ear left/right swapped) 3D Audio Troubleshooting 190-01878-01 Rev. A Garmin GMA 345 Pilot’s Guide...

  • Page 22: Clearance Recorder And Player

    GMA 345 Audio Panel CLEARANCE RECORDER AND PLAYER The GMA 345 contains a digital clearance recorder that records up to 60 seconds of the selected COM radio signal. Recorded COM audio is stored in separate memory blocks. Once 60 seconds of recording time have been reached, the recorder begins recording over the stored memory blocks, starting from the oldest block.

  • Page 23: Entertainment Inputs

    GMA 345 Audio Panel ENTERTAINMENT INPUTS The GMA 345 provides four telephone/entertainment inputs: • Press the MUSIC Key to turn music on/off for all positions. The SEL Key selects the music source (Music 1, Music 2, or Bluetooth Music) for all positions.
  • Page 24 Source/Phone selected. * If TEL is selected (green), pre-recorded ringer audio is played. ** If TEL is selected (green), no action is required. TEL automatically turns blue and connects. TEL Key Functions Garmin GMA 345 Pilot’s Guide 190-01878-01 Rev. A...

  • Page 25: Music Effects

    The aural message “Intercom Mute Music Enabled/Disabled” is heard. BLUETOOTH ® The GMA 345 supports the following Bluetooth profiles and functions: • A2DP Bluetooth profile for entertainment audio input. • HFP Bluetooth profile for connection to a telephone (alternate interface for wired TEL function).

  • Page 26: Pairing A Bluetooth Device

    GMA 345. Press and hold the TEL (PAIR) Key for one second to enter pairing mode. The Bluetooth annunciator flashes to indicate the GMA 345 is in pairing mode and “Pairing Enabled” audio is played. Once the Bluetooth annunciator flashes, the GMA is discoverable for two minutes, or until a device is paired or connected.

  • Page 27: Pairing To A Garmin Virb X Or Virb Xe Action Camera

    GMA 345 and the third party camera will connect to each other via the Hands Free Profile. During this initial connection, Bluetooth Recording Mode will need to be enabled on the GMA 345 for the third party camera. To enable Bluetooth Recording Mode momentarily press the TEL (PAIR) and PILOT keys simultaneously.

  • Page 28: Disabling Bluetooth

    GMA 345 Audio Panel isaBling lueTooTh To aid in troubleshooting, the GMA 345 Bluetooth can be disabled. To disable, press and hold the TEL (PAIR) Key for five seconds. “Bluetooth Disabled” audio is played. To re-enable without powercycling, press and hold the TEL (PAIR) Key for five seconds. “Bluetooth Enabled”...

  • Page 29: Usb Power Jack

    USB cable for temporary storage to prevent losing the cover. FAIL-SAFE OPERATION If there is a failure of the GMA 345 or when power is not applied, a fail-safe circuit connects the pilot’ s headset and microphone directly to the COM1 transceiver.
  • Page 30 Press keys simultaneously Press keys simultaneously Music Equalizer Marker Press keys simultaneously Beacon Music High Sens Press and hold for 1 second Bass Press keys simultaneously Boost Alternate Key Function Quick Reference Garmin GMA 345 Pilot’s Guide 190-01878-01 Rev. A...
  • Page 32 Fax: +44 (0) 238 052 4004 Aviation Support: +44 (0) 370 850 1243 Garmin Corporation No. 68, Zhangshu 2nd Road Xizhi District, New Taipei City, Taiwan Tel: 34-93-357-2608 Fax: 34-93-429-4484 www.garmin.com 190-01878-01 Rev. A © 2011, 2016 Garmin Ltd. or its subsidiaries...

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