Pilot's Guide
Page 4
... during primary COM reception. 4 NAV1 - When selected, audio from the #2 NAV receiver can be heard. 4 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. GMA 350 Audio Panel CONTROLS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 GMA 350 Controls NOTE: When a key is selected, a triangular annunciator above the key is received. C When selected, audio...
... during primary COM reception. 4 NAV1 - When selected, audio from the #2 NAV receiver can be heard. 4 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. GMA 350 Audio Panel CONTROLS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 GMA 350 Controls NOTE: When a key is selected, a triangular annunciator above the key is received. C When selected, audio...
Pilot's Guide
Page 5
... and deselects music entertainment audio. Selection of memory. 190-01134-12 Rev. COM2 receive can be added by pressing the COM1 Key. GMA 350 Audio Panel 6 - Audio from a telephone or entertainment device connected to enable/disable MUS1 muting during reception. 8 MUS2 - Press and...panel is used if a device is using the COM2. 13 MIC2 - When in Split-COM mode, the pilot is using COM1, the copilot is not connected to enable/disable muting during reception. 9 MAN SQ - COM1 receive can be added by pressing the COM2 Key. C Garmin GMA 350 Pilot's Guide 5
... and deselects music entertainment audio. Selection of memory. 190-01134-12 Rev. COM2 receive can be added by pressing the COM1 Key. GMA 350 Audio Panel 6 - Audio from a telephone or entertainment device connected to enable/disable MUS1 muting during reception. 8 MUS2 - Press and...panel is used if a device is using the COM2. 13 MIC2 - When in Split-COM mode, the pilot is using COM1, the copilot is not connected to enable/disable muting during reception. 9 MAN SQ - COM1 receive can be added by pressing the COM2 Key. C Garmin GMA 350 Pilot's Guide 5
Pilot's Guide
Page 6
... When selected, audio from the AUX inputs can be heard. 16 PILOT - Press and hold for 2 seconds for all headset positions. 17 COPLT - Press and hold to activate BlueSelect mode). 6 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Controls the copilot intercom system. Selects and deselects...). The SPKR key flashes during reception. 19 SPKR - Controls the pilot intercom system. Turn to move the cursor (flashing white or blue annunciator) to the desired source. 21 Volume (VOL) Control Knob - GMA 350 Audio Panel 15 AUX - C Controls the passenger intercom system. COM...
... When selected, audio from the AUX inputs can be heard. 16 PILOT - Press and hold for 2 seconds for all headset positions. 17 COPLT - Press and hold to activate BlueSelect mode). 6 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Controls the copilot intercom system. Selects and deselects...). The SPKR key flashes during reception. 19 SPKR - Controls the pilot intercom system. Turn to move the cursor (flashing white or blue annunciator) to the desired source. 21 Volume (VOL) Control Knob - GMA 350 Audio Panel 15 AUX - C Controls the passenger intercom system. COM...
Pilot's Guide
Page 7
... reduces the amount of background noise from the aircraft radios is detected, ASQ processing further reduces the amount of the pilot. C Garmin GMA 350 Pilot's Guide 7 The MAN SQ Key toggles between manual and automatic intercom system (ICS) squelch. Annunciator brightness is completed, most...Aux inputs are available for approximately two seconds. GMA 350 Audio Panel FEATURES AND OPERATION The GMA 350 Audio Panel provides the traditional audio selector functions of the settings are restored to adjust individual thresholds for the pilot, copilot, and passenger microphones by the crew...
... reduces the amount of background noise from the aircraft radios is detected, ASQ processing further reduces the amount of the pilot. C Garmin GMA 350 Pilot's Guide 7 The MAN SQ Key toggles between manual and automatic intercom system (ICS) squelch. Annunciator brightness is completed, most...Aux inputs are available for approximately two seconds. GMA 350 Audio Panel FEATURES AND OPERATION The GMA 350 Audio Panel provides the traditional audio selector functions of the settings are restored to adjust individual thresholds for the pilot, copilot, and passenger microphones by the crew...
Pilot's Guide
Page 8
... transmission, audio from the #1 or #2 COM receiver can be heard. During reception of the passenger positions, any other passenger using the GMA 350. Audio from the other COM receiver can be accessed via Voice Recognition commands. Pressing MIC1 or MIC2 selects the #1 or #2 transmitter and...right headset channel output to be added by pressing the respective Key(s) (COM1 or COM2). The other COM radio is heard. 8 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. The aural message "Mute Monitored COM on a monaural headset hears only the left channel in the left ear only....
... transmission, audio from the #1 or #2 COM receiver can be heard. During reception of the passenger positions, any other passenger using the GMA 350. Audio from the other COM receiver can be accessed via Voice Recognition commands. Pressing MIC1 or MIC2 selects the #1 or #2 transmitter and...right headset channel output to be added by pressing the respective Key(s) (COM1 or COM2). The other COM radio is heard. 8 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. The aural message "Mute Monitored COM on a monaural headset hears only the left channel in the left ear only....
Pilot's Guide
Page 9
... COM1/MIC1 or COM2/MIC2 annunciators are too close together, interference may be heard during transmission on the other radio. COM2 Radio is uses COM2. C Garmin GMA 350 Pilot's Guide 9 In Split-COM mode, the pilot is uses COM1 and the copilot is Selected Selecting a COM Radio for Transmit 190-01134-12 Rev. Pressing both the...
... COM1/MIC1 or COM2/MIC2 annunciators are too close together, interference may be heard during transmission on the other radio. COM2 Radio is uses COM2. C Garmin GMA 350 Pilot's Guide 9 In Split-COM mode, the pilot is uses COM1 and the copilot is Selected Selecting a COM Radio for Transmit 190-01134-12 Rev. Pressing both the...
Pilot's Guide
Page 10
... PTT is pressed. Refer to the Voice Recognition section for the corresponding navigation radio source. Selecting a NAV Radio Receiver 10 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. GMA 350 Audio Panel TRANSMIT INDICATIONS During COM transmission, the active transceiver (MIC1 or MIC2) Key Annunciator flashes approximately once per second. Pressing the NAV1 and/or ...
... PTT is pressed. Refer to the Voice Recognition section for the corresponding navigation radio source. Selecting a NAV Radio Receiver 10 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. GMA 350 Audio Panel TRANSMIT INDICATIONS During COM transmission, the active transceiver (MIC1 or MIC2) Key Annunciator flashes approximately once per second. Pressing the NAV1 and/or ...
Pilot's Guide
Page 11
On, Muted, and Deselected. GMA 350 Audio Panel MARKER BEACON RECEIVER The marker beacon receiver detects any audio selection and cannot be set to High, Low, or User Selectable (toggle switch ..., middle, and inner). Audio Frequency 400 Hz (Outer) Audio Keying Lamp Actuated Blue 1300 Hz (Middle) Amber 3000 Hz (Inner) White The GMA 350 provides three states of the aircraft. C Garmin GMA 350 Pilot's Guide 11 The MKR/MUTE key annunciator indicates when marker beacon audio is selected. Marker Beacon Key & Lamps The marker beacon signal sensitivity...
On, Muted, and Deselected. GMA 350 Audio Panel MARKER BEACON RECEIVER The marker beacon receiver detects any audio selection and cannot be set to High, Low, or User Selectable (toggle switch ..., middle, and inner). Audio Frequency 400 Hz (Outer) Audio Keying Lamp Actuated Blue 1300 Hz (Middle) Amber 3000 Hz (Inner) White The GMA 350 provides three states of the aircraft. C Garmin GMA 350 Pilot's Guide 11 The MKR/MUTE key annunciator indicates when marker beacon audio is selected. Marker Beacon Key & Lamps The marker beacon signal sensitivity...
Pilot's Guide
Page 12
GMA 350 Audio Panel Turning Marker Beacon Audio On With the MKR/MUTE annunciator off, press the MKR/MUTE Key to mute the audio. Audio muting deactivates ... To deselect marker beacon audio, press the MKR/MUTE Key twice during marker beacon reception or once if a marker beacon signal is not detected. 12 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev.
GMA 350 Audio Panel Turning Marker Beacon Audio On With the MKR/MUTE annunciator off, press the MKR/MUTE Key to mute the audio. Audio muting deactivates ... To deselect marker beacon audio, press the MKR/MUTE Key twice during marker beacon reception or once if a marker beacon signal is not detected. 12 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev.
Pilot's Guide
Page 13
...copilot position configuration between passenger and crew. C Garmin GMA 350 Pilot's Guide 13 Refer to distribute as Crew" is heard. 190-01134-12 Rev. The intercom provides Pilot, Copilot, and Passenger audio isolation. Intercom Controls Press the PILOT, COPLT, and/or PASS Keys to the Voice... copilot headset is isolated from the others. The GMA 350 includes a six-position intercom system (ICS), two MUSIC inputs, and one telephone/entertainment input for the pilot, copilot and passengers. INTERCOM SYSTEM (ICS) GMA 350 Audio Panel NOTE: Intercom functions may also be ...
...copilot position configuration between passenger and crew. C Garmin GMA 350 Pilot's Guide 13 Refer to distribute as Crew" is heard. 190-01134-12 Rev. The intercom provides Pilot, Copilot, and Passenger audio isolation. Intercom Controls Press the PILOT, COPLT, and/or PASS Keys to the Voice... copilot headset is isolated from the others. The GMA 350 includes a six-position intercom system (ICS), two MUSIC inputs, and one telephone/entertainment input for the pilot, copilot and passengers. INTERCOM SYSTEM (ICS) GMA 350 Audio Panel NOTE: Intercom functions may also be ...
Pilot's Guide
Page 14
... audio. C NOTE: In the default ICS configuration, only the pilot and copilot positions can hear aircraft alerts. The Copilot and Passengers also hear each other . 14 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Aircraft Audio PILOT COPLT PASS ICS Keys Mode Operation Pilot Isolate Mode In 'Pilot Isolate' mode the Pilot, Copilot, and Passengers hear the aircraft audio.
... audio. C NOTE: In the default ICS configuration, only the pilot and copilot positions can hear aircraft alerts. The Copilot and Passengers also hear each other . 14 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Aircraft Audio PILOT COPLT PASS ICS Keys Mode Operation Pilot Isolate Mode In 'Pilot Isolate' mode the Pilot, Copilot, and Passengers hear the aircraft audio.
Pilot's Guide
Page 15
The Passengers hear each other . C Garmin GMA 350 Pilot's Guide 15 Aircraft Audio ICS Keys PILOT COPLT PASS Mode Operation 190-01134-12 Rev. GMA 350 Audio Panel Aircraft Audio PILOT COPLT PASS ICS Keys Mode Operation Passenger/Crew Isolate Mode In 'Passenger/Crew Isolate' mode the Pilot and Copilot hear the aircraft audio and each other .
The Passengers hear each other . C Garmin GMA 350 Pilot's Guide 15 Aircraft Audio ICS Keys PILOT COPLT PASS Mode Operation 190-01134-12 Rev. GMA 350 Audio Panel Aircraft Audio PILOT COPLT PASS ICS Keys Mode Operation Passenger/Crew Isolate Mode In 'Passenger/Crew Isolate' mode the Pilot and Copilot hear the aircraft audio and each other .
Pilot's Guide
Page 16
The Copilot has the option to use Split-COM mode. The Passengers hear each other . The Copilot has the option to use Split-COM mode. Split-COM Aircraft Audio (Optional) PILOT COPLT PASS ICS Keys Mode Operation 16 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Aircraft Audio Split-COM Mode (Optional) COPLT PILOT ICS Keys PASS Mode Operation All Isolate Mode In 'All Isolate' mode the Pilot hears the aircraft audio. C GMA 350 Audio Panel Copilot Isolate Mode In 'Copilot Isolate' mode the Pilot and Passengers hear the aircraft audio and each other .
The Copilot has the option to use Split-COM mode. The Passengers hear each other . The Copilot has the option to use Split-COM mode. Split-COM Aircraft Audio (Optional) PILOT COPLT PASS ICS Keys Mode Operation 16 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Aircraft Audio Split-COM Mode (Optional) COPLT PILOT ICS Keys PASS Mode Operation All Isolate Mode In 'All Isolate' mode the Pilot hears the aircraft audio. C GMA 350 Audio Panel Copilot Isolate Mode In 'Copilot Isolate' mode the Pilot and Passengers hear the aircraft audio and each other .
Pilot's Guide
Page 17
Aircraft Audio ICS Keys PILOT COPLT PASS Mode Operation 190-01134-12 Rev. C 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. The Copilot has the option to use Split-COM mode. The Passengers hear each other. Aircraft Audio Split-COM (Optional) PILOT PASS COPLT ICS Keys Mode Operation Pilot & Passenger Isolate Mode In 'Pilot & Passenger Isolate' mode the Pilot and Copilot hear the aircraft audio.
Aircraft Audio ICS Keys PILOT COPLT PASS Mode Operation 190-01134-12 Rev. C 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. The Copilot has the option to use Split-COM mode. The Passengers hear each other. Aircraft Audio Split-COM (Optional) PILOT PASS COPLT ICS Keys Mode Operation Pilot & Passenger Isolate Mode In 'Pilot & Passenger Isolate' mode the Pilot and Copilot hear the aircraft audio.
Pilot's Guide
Page 18
...to use Split-COM mode. The Passengers hear each other. GMA 350 Audio Panel Copilot & Passenger Isolate Mode In 'Copilot & Passenger Isolate' mode the Pilot can hear the aircraft audio. Split-COM Aircraft Audio (Optional) PILOT COPLT PASS ICS Keys Mode Operation INTERCOM VOLUME AND SQUELCH ...adjustment for audio sources that the pilot, copilot, and passengers will always default back to the PILOT Key. The cursor will time-out after a few seconds and the position of the cursor will all hear the telephone/entertainment audio. 18 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Pressing...
...to use Split-COM mode. The Passengers hear each other. GMA 350 Audio Panel Copilot & Passenger Isolate Mode In 'Copilot & Passenger Isolate' mode the Pilot can hear the aircraft audio. Split-COM Aircraft Audio (Optional) PILOT COPLT PASS ICS Keys Mode Operation INTERCOM VOLUME AND SQUELCH ...adjustment for audio sources that the pilot, copilot, and passengers will always default back to the PILOT Key. The cursor will time-out after a few seconds and the position of the cursor will all hear the telephone/entertainment audio. 18 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Pressing...
Pilot's Guide
Page 19
...is active, press the small knob twice. GMA 350 Audio Panel Blue-Select Mode (Telephone/Entertainment Distribution) The Blue-Select Mode is entered by pressing the small knob when the volume control cursor (flashing white annunciator) is on PILOT, COPLT, or PASS, the Volume Control... crew/passenger positions. Adjusting Intercom Volume When the cursor is not active. C Garmin GMA 350 Pilot's Guide 19 Any combination of the annunciators over the intercom). 190-01134-12 Rev. Selecting any key other than PILOT, COPLT, PASS, MUS1, MUS2, or will automatically cancel. If the volume ...
...is active, press the small knob twice. GMA 350 Audio Panel Blue-Select Mode (Telephone/Entertainment Distribution) The Blue-Select Mode is entered by pressing the small knob when the volume control cursor (flashing white annunciator) is on PILOT, COPLT, or PASS, the Volume Control... crew/passenger positions. Adjusting Intercom Volume When the cursor is not active. C Garmin GMA 350 Pilot's Guide 19 Any combination of the annunciators over the intercom). 190-01134-12 Rev. Selecting any key other than PILOT, COPLT, PASS, MUS1, MUS2, or will automatically cancel. If the volume ...
Pilot's Guide
Page 20
Pressing the SPKR Key selects and deselects the cabin speaker. Speaker Key 20 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Speaker audio is muted when the PTT is on MKR, AUX, , MUS1 or MUS2, the Volume Control Knob adjusts the ..., On Relative Volume/ for Manual Squelch Squelch Scale Volume or Manual Squelch Cursor Volume/Squelch Control SPEAKER All of the selected source. Manual Squelch Annunciator; GMA 350 Audio Panel Adjusting Speaker Volume When the cursor is pressed. Adjusting MKR, AUX, , and MUSIC Volume When the cursor is not selected. C Certain aural...
Pressing the SPKR Key selects and deselects the cabin speaker. Speaker Key 20 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev. Speaker audio is muted when the PTT is on MKR, AUX, , MUS1 or MUS2, the Volume Control Knob adjusts the ..., On Relative Volume/ for Manual Squelch Squelch Scale Volume or Manual Squelch Cursor Volume/Squelch Control SPEAKER All of the selected source. Manual Squelch Annunciator; GMA 350 Audio Panel Adjusting Speaker Volume When the cursor is pressed. Adjusting MKR, AUX, , and MUSIC Volume When the cursor is not selected. C Certain aural...
Pilot's Guide
Page 21
... other intercom positions are in each ear, 3D audio processing creates the illusion that each audio source is coming from location separation. GMA 350 Audio Panel Passenger Address Mode (PA Mode) Press and hold the SPKR Key for 2 seconds. 3D AUDIO 3D Audio is useful...PA announcements. With a single COM selected and 3D Audio enabled, the listener hears the audio source at the 1 o'clock position. C Garmin GMA 350 Pilot's Guide 21 Because this feature uses different signals for left seat. PA Mode is activated when mono headsets are processed to the passenger headsets, or...
... other intercom positions are in each ear, 3D audio processing creates the illusion that each audio source is coming from location separation. GMA 350 Audio Panel Passenger Address Mode (PA Mode) Press and hold the SPKR Key for 2 seconds. 3D AUDIO 3D Audio is useful...PA announcements. With a single COM selected and 3D Audio enabled, the listener hears the audio source at the 1 o'clock position. C Garmin GMA 350 Pilot's Guide 21 Because this feature uses different signals for left seat. PA Mode is activated when mono headsets are processed to the passenger headsets, or...
Pilot's Guide
Page 22
GMA 350 Audio Panel Enabling 3D Audio Press and hold the PILOT Key to toggle 3D audio processing on headset to 'stereo' 3) If after checking solutions #1 and #2 see a service center as soon as possible to inspect/ correct ... or headset settings. with mono/stereo ears, followed switch set to 'mono' right" message 3) Aircraft wiring has not heard left audio wired to function. 22 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev.
GMA 350 Audio Panel Enabling 3D Audio Press and hold the PILOT Key to toggle 3D audio processing on headset to 'stereo' 3) If after checking solutions #1 and #2 see a service center as soon as possible to inspect/ correct ... or headset settings. with mono/stereo ears, followed switch set to 'mono' right" message 3) Aircraft wiring has not heard left audio wired to function. 22 Garmin GMA 350 Pilot's Guide 190-01134-12 Rev.
Pilot's Guide
Page 23
GMA 350 Audio Panel 3D Audio Troubleshooting Symptom(s) Cause(s) Solution(s) "3D audio 1) Incorrect aircraft right" message wiring (right channel heard in both used for mono ear only, ..." message wiring (right channel heard in left " not right swapped) heard 1) See a service center as soon as possible to wire the installation for stereo headsets. C Garmin GMA 350 Pilot's Guide 23 "3D audio left" message heard in right used for mono intercom 1) See a service center to inspect/correct wiring. "3D audio 1) Stereo headset is backwards...
GMA 350 Audio Panel 3D Audio Troubleshooting Symptom(s) Cause(s) Solution(s) "3D audio 1) Incorrect aircraft right" message wiring (right channel heard in both used for mono ear only, ..." message wiring (right channel heard in left " not right swapped) heard 1) See a service center as soon as possible to wire the installation for stereo headsets. C Garmin GMA 350 Pilot's Guide 23 "3D audio left" message heard in right used for mono intercom 1) See a service center to inspect/correct wiring. "3D audio 1) Stereo headset is backwards...
