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Garmin GMA 350, Руководство пилота

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190-01134-12 Rev. K

Garmin GMA 350/350c Pilot’s Guide

27

   GMA 350/350c Audio Panel

3D Audio Troubleshooting

Symptom(s)

Cause(s)

Solution(s)

“3D audio 
left” message 
heard in both 
ears.
“3D audio 
right” message 
not heard

1)

Mono headset in use

1)

Use a stereo headset

2)

Stereo headset in use 
with mono/stereo 
switch set to ‘mono’

2)

Set mono/stereo switch on 
headset to ‘stereo’

3)

Aircraft wiring has 
left audio wired to 
both left and right 
channels of stereo 
headset jack

3)

If after checking solutions #1 
and #2 see a service center as 
soon as possible to inspect/
correct wiring.  This wiring fault 
can cause fail-safe audio not to 
function.

“3D audio 
left” message 
heard in both 
ears, followed 
by “3D audio 
right” message 
heard in both 
ears

1)

Mono headset in use

1)

Use a stereo headset

2)

Stereo headset in use 
with mono/stereo 
switch set to mono

2)

Set mono/stereo switch on 
headset to ‘stereo’

3)

Incorrect aircraft 
wiring (left/right 
shorted together)

3)

If after checking solutions #1 
and #2 see a service center as 
soon as possible to inspect/
correct wiring.  This wiring fault 
can cause fail-safe audio not to 
function.

Symptom(s)

Cause(s)

Solution(s)

“3D audio 
right” message 
heard in both 
ears.  “3D 
audio left” not 
heard

1)

Incorrect aircraft 
wiring (right channel 
used for mono 
instead of left or left/
right swapped)

1)

See a service center as soon 
as possible to inspect/correct 
wiring.  This wiring fault can 
cause fail-safe audio not to 
function.

Содержание GMA 350

Страница 1: ...GMA 350 350c pilot s guide ...

Страница 2: ...opilot Configured as Crew or Passenger 17 Intercom MODES 17 Intercom Volume and Squelch 22 Speaker 24 3D Audio 25 Clearance Recorder and Player 27 Voice Recognition 28 Entertainment Inputs 34 Telephone and Entertainment Muting 34 Bluetooth GMA 350C Only 35 Pairing a Bluetooth Device with the GMA 350C 35 Assigning an Audio Source to the Bluetooth Device 35 Additional Bluetooth Control Functions 36 ...

Страница 3: ...0c Bluetooth Controls 22 24 25 26 23 NOTE When a key is selected a triangular annunciator above the key is illuminated 1 MKR MUTE Selects marker beacon receiver audio Mutes the currently received marker beacon receiver audio Deactivates automatically and marker beacon audio is heard when the next marker beacon signal is received Also stops play of recorded COM audio ...

Страница 4: ...nnected to the Front Panel Jack Press and hold to enable disable muting during reception 7 MUS1 Selects and deselects music entertainment audio Press and hold to enable disable MUS1 muting during reception 8 MUS2 Selects and deselects music entertainment audio Press and hold to enable disable MUS2 muting during reception 9 MAN SQ Manual Squelch annunciator When lit squelch is controlled manually 1...

Страница 5: ...em Press and hold to toggle 3D Audio on off for all headset positions 17 COPLT Controls the copilot intercom system Press and hold to toggle copilot configuration between crew and passenger 18 PASS Controls the passenger intercom system Press and hold to enable disable passenger muting during reception 19 SPKR Selects and deselects the cabin speaker COM NAV AUX and MKR receiver audio can be heard ...

Страница 6: ... selects the wired audio source and BLUE selects the 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 WHITE 25 MUS2 Key Annunciator GMA 350c only Assigns the Bluetooth device to the MUS2 audio source Press the MUS2 key until t...

Страница 7: ...ments can be made for the pilot copilot and passenger microphones by the crew The ability to adjust individual thresholds for each ICS position further reduces the amount of background noise from the radios Pushbutton keys control audio selection When a key is selected a triangular annunciator above the key is illuminated Annunciator brightness is adjusted automatically by photocell dimming Key br...

Страница 8: ...be accessed viaVoice Recognition commands Refer to theVoice Recognition section for more information Audio from the 1 or 2 COM receiver can be selected independently by pressing the respective Key s COM1 or COM2 PressingMIC1orMIC2selectsthe 1or 2transmitterandsimultaneously selects the related COM receiver COM1 or COM2 allowing received audio to be heard The other COM receiver can be added by pres...

Страница 9: ...nsmission on the other radio During Split COM operation both the pilot and the copilot can transmit simultaneously over separate radios Pressing both MIC Keys simultaneously initiates Split COM Mode i e COM1 COM2 The respective COM1 MIC1 or COM2 MIC2 annunciators are illuminated indicating Split COM operation Split COM operation is cancelled by pressing one of the selected MIC Keys again In Split ...

Страница 10: ...hen the copilot s microphone PTT is pressed COM Radio Transmit Indication Annunciator Flashes During Transmission RECEIVERS NOTE Receiver functions may also be accessed via Voice Recognition commands Refer to theVoice Recognition section for more information Pressing the NAV1 and or NAV2 Key s selects deselects the receiver audio for the corresponding navigation radio source The selected audio sou...

Страница 11: ...be turned off Marker Beacon Key Lamps The marker beacon signal sensitivity threshold can be set to High Low or User Selectable toggle switch required The receiver detects the three marker tones outer middle and inner Audio Frequency Audio Keying Lamp Actuated 400 Hz Outer Blue 1300 Hz Middle Amber 3000 Hz Inner White The GMA 350 350c provides three states of marker beacon operation On Muted and De...

Страница 12: ...atically and marker beacon audio is heard when the next marker beacon signal is received DESELECTING MARKER BEACON AUDIO 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 INTERCOM SYSTEM ICS NOTE Intercom functions may also be accessed via Voice Recognition commands Refer to theVoice Recognition section for...

Страница 13: ...r theCOPLT Key is disabled and the copilot headset is treated as a passenger for intercom and entertainment audio distribution The copilot position can be configured as crew COPLT Key enabled or as a 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...

Страница 14: ...lot Copilot and Passengers hear each other and hear the aircraft audio ICS Keys Mode Operation Aircraft Audio PASS PILOT COPLT PILOT ISOLATE MODE In Pilot Isolate mode the Pilot Copilot and Passengers hear the aircraft audio The Copilot and Passengers also hear each other ICS Keys Mode Operation Aircraft Audio PASS PILOT COPLT ...

Страница 15: ...hear the aircraft audio and each other The Passengers hear each other ICS Keys Mode Operation Aircraft Audio COPLT PILOT PASS 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 ICS Keys Mode Operation Aircraft Audio PASS PILOT COPLT Split COM Mode Optional ...

Страница 16: ... the option to use Split COM mode The Passengers hear each other ICS Keys Mode Operation Aircraft Audio COPLT PILOT PASS Split COM Optional 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 ICS Keys Mode Operation Aircraft Audio PASS PILOT COPLT Split COM Optional ...

Страница 17: ...ear the aircraft audio The Passengers hear each other ICS Keys Mode Operation Aircraft Audio COPLT PILOT PASS COPILOT PASSENGER ISOLATE MODE In Copilot Passenger Isolate mode the Pilot can hear the aircraft audio The Copilot has the option to use Split COM mode The Passengers hear each other ICS Keys Mode Operation Aircraft Audio COPLT PILOT PASS Split COM Optional ...

Страница 18: ...he position of the cursor will always default back to the PILOT Key Pressing the small knob cancels the cursor BLUE SELECT MODE TELEPHONE ENTERTAINMENT DISTRIBUTION The music MUS1 MUS2 and telephone entertainment audio are distributed using the Blue Select Mode The following example indicates that the pilot copilot and passengers will all hear the telephone entertainment audio Blue Select Mode Tel...

Страница 19: ...sing the small knob will also cancel Blue Select Mode After approximately 20 seconds with no input the Blue Select Mode will automatically cancel ADJUSTING INTERCOM VOLUME When the cursor is on PILOT COPLT or PASS the Volume Control Knob adjusts the intercom volume for the listener ADJUSTING MANUAL SQUELCH When the cursor is on MAN SQ the Volume Control Knob adjusts the ICS Squelch Threshold the v...

Страница 20: ... the cabin speaker Speaker audio is muted when the PTT is pressed Certain aural alerts and warnings autopilot traffic altitude are always heard on the speaker even when the speaker is not selected Speaker Key PASSENGER ADDRESS MODE PA MODE Press and hold the SPKR Key for 2 seconds to initiate Passenger Address Mode PA Mode is annunciated by a rapid blinking of the SPKR annunciator When in PA Mode ...

Страница 21: ...r all audio sources however there is no benefit from location separation With a single COM selected and 3D Audio enabled the listener hears the audio source at the 12 o clock position If both COMs are selected the listener hears 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 350 350c ass...

Страница 22: ...o not to function 3D audio left message heard in both ears followed by 3D audio right message heard in both ears 1 Mono headset in use 1 Use a stereo headset 2 Stereo headset in use with mono stereo switch set to mono 2 Set mono stereo switch on headset to stereo 3 Incorrect aircraft wiring left right shorted together 3 If after checking solutions 1 and 2 see a service center as soon as possible t...

Страница 23: ...nction 3D audio left message heard in left ear only no audio heard in right ear 1 Aircraft wired for mono intercom 1 See a service center to wire the installation for stereo headsets 3D audio right message heard in right ear only no audio heard in left ear 1 Incorrect aircraft wiring right channel used for mono instead of left or left right swapped 1 See a service center as soon as possible to ins...

Страница 24: ...cks Marker Mute Key Stops Play VOICE RECOGNITION Voice Recognition allows the pilot and optionally copilot to control the GMA 350 350c using spoken commands To activate Voice Recognition push and hold the Push to Command PTC button while speaking a command When the Push to Command button is released the GMA 350 350c will respond If a command is correctly interpreted by the GMA 350 350c a positive ...

Страница 25: ...ated actions and the voice response if applicable Control Example Phrase Action COM COM one Toggles COM1 audio MIC one Selects MIC1 COM1 audio COM one MIC Selects MIC1 COM1 audio COM two Toggles COM2 audio MIC two Selects MIC2 COM2 audio COM two MIC Selects MIC2 COM2 audio Split COM Selects split COM mode Monitored COM mute OR Mute Monitored COM Mutes monitored COM on primary COM reception refer t...

Страница 26: ...isable Disable jack mute Mute jack disable Telephone mute disable Disable mute telephone Phone mute disable Disable mute phone Jack mute disable OR Disable mute jack Disables TEL JACK mute on radio reception Voice Response Tel and jack mute disabled MUSIC MUSIC one Toggles MUS1 input MUSIC two Toggles MUS2 input MUSIC one mute OR Mute MUSIC one Mutes MUS1 on radio reception Voice Response Music on...

Страница 27: ...PLT button Passenger OR Pass Toggles PASS button Passenger mute Pass mute Mute passenger OR Mute pass Mutes passengers during radio reception Voice Response Passenger mute enabled Disable passenger mute Disable pass mute Disable mute passenger Disable mute pass Passenger mute disable Pass mute disable Mute passenger disable OR Mute pass disable Disables muting of passengers during radio reception ...

Страница 28: ...r manual squelch adjustment may be made using the dual concentric knobs on the GMA 350 350c The voice command Up or Down is equivalent to three clicks of the inner knob Speaker SPKR Speaker Toggles SPKR on off PA P A Toggles PA on off Marker Beacon MKR MUTE Marker Mute marker OR Marker mute Same action as pressing MKR MUTE refer to page 4 COM Clearance Recorder Play Read back OR Say again Same act...

Страница 29: ...stribute telephone to desired position s OR Distribute phone to desired position s OR Distribute jack to desired position s Distributes TEL JACK to desired positions Distribute music one to desired position s Distributes MUS1 to desired position s Distribute music two to desired position s Distributes MUS2 to desired position s Desired position s All none pilot copilot passenger pass or any combin...

Страница 30: ...e rear telephone interface The Front Panel Jack is a 3 5 mm stereo jack that is compatible with popular portable entertainment devices such as MP3s CD players and cell phones The headphone outputs of the entertainment devices are plugged into the Front Panel Jack Distribution of the entertainment inputs are configured in Blue Select Mode TELEPHONE AND ENTERTAINMENT MUTING Telephone and entertainme...

Страница 31: ...d is heard ASSIGNING AN AUDIO SOURCE TO THE BLUETOOTH DEVICE Press the MUS1 or MUS2 key until the annunciator turns blue the audio from the Bluetooth source will not be heard until this step is complete The key annunciator cycles OFF WHITE BLUE WHITE selects the wired audio source BLUE selects the Bluetooth audio source The BLUE source assignment will persist through Bluetooth audio connection dis...

Страница 32: ... audio panel A subsequent 5 second press and hold turns the radio back on UÊ Press and hold the inner knob for 10 seconds to clear the memory of paired devices up to 10 are stored Once cleared the aural message Bluetooth list cleared is heard This function is used as a troubleshooting method when a device is not pairing or to remove a device that is no longer needed CONNECTING BLUETOOTH TO A GARMI...

Страница 33: ...all knob simultaneously The PILOT annunciator will turn blue to indicate Bluetooth Recording Mode is enabled and the audio clip Bluetooth Recording Mode Enabled will play This setting is persistent Once enabled for a device the GMA will automatically enable Bluetooth Recording Mode for future connections to that device until disabled The same process for enabling Bluetooth Recording Mode is used f...

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