Garmin PDAs & Smartphones GMA 350 User's Manual
Contents
1. Disable mute phone Jack mute disable OR Disable mute jack MUSIC one oggles MUST input MUSIC two oggles MUS2 input MUSIC one mute Mutes MUST on radio reception OR Voice Response Music one MUSIC Mute MUSIC one mute enabled Disable MUSIC oig mui Disables MUS1 mute on radio MUSIC one mute disable fie n reception Disable mute MUSIC one PAN OR Voice Response Music one Mute MUSIC one disable mute disabled 26 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D 4 GARMIN Example Phrase Action MUSIC ICS Isolation Copilot Configuration 190 01134 12 Rev D MUSIC two mute OR Mute MUSIC two Disable MUSIC two mute MUSIC two mute disable Disable mute MUSIC two OR Mute MUSIC two disable Pilot Copilot Passenger OR Pass Passenger mute Pass mute Mute passenger OR Mute pass 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 Copilot is passenger OR Copilot is pass Copilot is crew GMA 350 Audio Panel Mutes MUS2 on radio reception Voice Response Music two mute enabled Disables MUS2 mute on radio reception Voice Response Music two mute disabled Toggles PILOT button Toggles COPLT button Toggles PASS button Mutes pa2. Response Three D audio left three D audio right Enables standard audio disables 3D audio Voice Response Standard Audio Voice Recognition Commands Three D audio 3D Audio Standard audio 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 29 A GMA 350 Audio Panel GARMIN ENTERTAINMENT INPUTS The GMA 350 provides three stereo telephone entertainment inputs e The telephone entertainment 22 Key controls a telephone or entertainment device connected to the rear of the audio panel or to the Front Panel Jack e The MUSI and MUS2 Key controls the Entertainment Music audio input The Front Panel Jack can be used as an entertainment input or a telephone input in which case it operates simultaneously with the 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 entertainment muting can be enabled or disabled by the user however it is always muted during alerts Enabling Disabling Muting Press and hold the MUSI MUS2 or 22 Key for two seconds to toggle muting on and off The aural message Mute Music on Reception Enabled Disabled or Mute Tel and Jack on Recep
3. action as pressing MKR MUTE refer to page 4 Same action as pressing PLAY refer to page 5 Cancels cursor when cursor is flashing Increases volume of desired selection Decreases volume of desired selection 190 01134 12 Rev D A GARMIN EMA 350 Audio Panel Control Example Phrase Action Volume Displays the current volume but Adjustments does not change it Desired selection Speaker pilot copilot passenger pass marker aux auxiliary telephone phone jack music one or music two NOTE Finer volume adjustment may be made using the dual concentric knobs on the GMA 350 The voice command Up or Down is equivalent to three clicks of the inner knob Desired selection volume Distribute telephone to desired position s OR Distribute phone to desired Distributes TEL JACK to desired position s positions Distribution OR Blue Mode Distribute jack to desired position s Distribute music one to desired Distributes MUS1 to desired position s position s Distribute music two to desired Distributes MUS2 to desired position s position s Desired position s All none pilot copilot passenger pass or any combination of pilot copilot passenger or pass NOTE The word to may be omitted from distribution phrases Enables 3D audio refer to page 21 Voice
4. speaker is not selected v SPKR Speaker Key 20 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D A GARMIN SMASN Andin Panel 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 the crew can use the PIT Push to Talk button to deliver announcements over the speaker to the passenger headsets or both depending on configuration Split PA Mode 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 both MIC Keys simultaneously then press and hold the SPKR Key for 2 seconds 3D AUDIO 3D Audio is useful when multiple audio sources are present By using different responses in each ear 3D audio processing creates the illusion that each audio source is coming from a unique location or seat position Because this feature uses different signals for left and right channels it requires wiring for stereo intercom and stereo headsets If 3D audio is activated when mono headsets are in use the listener will still hear 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 COMI at 11 o cl
5. stereo headset left message 2 Stereo headset in use 2 Set mono stereo switch on heard in both with mono stereo headset to stereo ears followed switch set to mono by 3D audio right message heard in both ears 3 Incorrect aircraft 3 If after checking solutions 1 wiring left right and 2 see a service center as shorted together soon as possible to inspect correct wiring This wiring fault can cause fail safe audio not to function 22 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D 4 GARMIN GMA 350 Audio Panel 3D Audio Troubleshooting Symptom s Solution s 3D audio right message heard in both ears 3D audio left not heard 3D audio left message heard in right ear only followed by 3D audio right message 1 Incorrect aircraft wiring right channel used for mono instead of left or left right swapped Stereo headset is on backwards See a service center as soon as possible to inspect correct wiring This wiring fault can cause fail safe audio not to function Verify correct orientation from the left right indication on each side of the headset or the position of the boom MIC usually attached on left side If the headset is backwards the left right position information heard in left will be swapped See a service center as soon as possible to inspect correct wiring This wiring fault can cause fail safe audio not to function ear only In
6. the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin is a registered trademark of Garmin Ltd or its subsidiaries These trademarks may not be used without the express permission of Garmin September 2011 190 01134 12 Rev D Printed in the U S A LIMITED WARRANTY This Garmin product is warranted 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 Such repairs or replacement will be made at no charge to the customer for parts and labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alterations or repairs In addition Garmin reserves the right to refuse warranty claims against products or services that are obtained and or used in contravention of the law of any country THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHERWARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE INNO EVENT SHALL GARMIN BE LIABLE FORANY INCIDEN
7. GMA 350 pilot s guide al oe v v 3 uma v Ma Z ma RO Lo iso EF ey s copit PASS si g pi AUX PLOT ni com vi 2 BB o ce a A GARMIN Copyright 2011 Garmin Ltd or its subsidiaries All rights reserved This 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 Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 U S A Tel 913 397 8200 Fax 913 397 8282 Garmin AT Inc 2345 Turner Road SE Salem OR 97302 U S A Tel 503 391 3411 Fax 503 364 2138 Garmin Europe Ltd Liberty House Bulls Copse Road Hounsdown Business Park Southampton SO40 9RB U K Tel 44 0870 8501241 Fax 44 0870 8501251 Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan Tel 886 02 2642 9199 Fax 886 02 2642 9099 Web Site Address www garmin com Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express written permission of Garmin Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed for personal use provided that such electronic or printed copy of this manual or revision must contain
8. In Split COM mode the pilot is uses COMI and the copilot is uses COM2 ww COM1 COM2 wv COM2 Radio is Selected Mile MIC2 SPLIT COM Selecting a COM Radio for Transmit 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 9 A GMA 350 Audio Panel GARMIN TRANSMIT INDICATIONS During COM transmission the active transceiver MICI or MIC2 Key Annunciator flashes approximately once per second During Split COM transmission the MIC annunciator flashes when the pilots microphone PTT is pressed The MIC2 annunciator flashes when the copilots microphone PTT is pressed Annunciato Flashes During Transmission COM Radio Transmit Indication RECEIVERS NOTE Receiver functions may also be accessed via Voice Recognition commands Refer to the Voice Recognition section for more information Pressing the NAVI and or NAV2 Key s selects deselects the receiver audio for the corresponding navigation radio source The selected audio source can be heard over the headset and the speaker if selected All radios can be selected individually or simultaneously NAV1 NAV2 Selecting a NAV Radio Receiver 10 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D A GARMIN __SMA 350 Audio Panel MARKER BEACON RECEIVER The marker beacon receiver detects any marker beacon signal within the reception range of the aircraft When a marker beacon signal is detected the lamps illuminate and an associated keyed tone
9. TAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or to offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warranty service contact your local Garmin Authorized Service Center For assistance in locating a Service Center near you visit the Garmin Web site at http www garmin com or contact Garmin Customer Service at 800 800 1020 CAUTION Incorrect aircraft wiring could short the left channel or both channels to ground if a monaural headset is plugged into the stereo jacks If wired incorrectly fail safe operation will not work GMA 350 Audio Panel GARMI N CONTROLS O OOOO D0O0 OM v COMI COM2 NAVI NAV2 JA musi mus2 MAN s sa Ss m sie Oe ES bee eh Se Nje A MIC1 MIC2 PLAY AUX PILOT COPLT PASS SPKR O 0000 0000 O GMA 350 Controls NOTE When a key is selected a triangular annunciator above the key is illuminated O 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 nex
10. ch other Split COM Aircraft Audio Optional PILOT COPLT PASS ICS Keys Mode Operation 16 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D A GARMIN ___SMA 350 Audio Panel Pilot amp Copilot Isolate Mode In Pilot amp Copilot Isolate mode the Pilot and Passengers hear the aircraft audio The Copilot has the option to use Split COM mode Split COM Aircraft Audio Optional gt PILOT COPLT PASS ICS Keys Mode Operation Pilot amp Passenger Isolate Mode In Pilot amp Passenger Isolate mode the Pilot and Copilot hear the aircraft audio The Passengers hear each other Aircraft Audio v PILOT COPLT PASS ICS Keys Mode Operation 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 17 GMA 350 Audio Panel GARMI N Copilot amp Passenger Isolate Mode In Copilot amp 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 Split COM Aircraft Audio Optional w PILOT COPLT PASS ICS Keys Mode Operation INTERCOM VOLUME AND SQUELCH The VOL CRSR Knob controls selection and volume or manual squelch adjustment for audio sources that may not be adjustable anywhere else in the system The small knob controls the volume or squelch Turning the large knob activates and or moves the cursor flashing white annunciator or flashing blue annunciator in Blue Select Mode to select the a
11. correct aircraft wiring left right channels swapped See a service center to wire the installation for stereo headsets Aircraft wired for mono intercom 3D audio left message heard in left ear only no audio heard in right ear 3D audio right message heard in right See a service center as soon as possible to inspect correct wiring This wiring fault can Incorrect aircraft wiring right channel used for mono ear only no instead of left or left cause fail safe audio not to audio heard in right swapped function left ear 3D Audio Troubleshooting 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 23 A GMA 350 Audio Panel GARMIN CLEARANCE RECORDER AND PLAYER The GMA 350 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 Pressing the PLAY Key once plays the latest recorded memory block The Play function can also be accessed via Voice Recognition commands Refer to the Voice Recognition section for more information Pressing the MKR MUTE Key during play of a memory block stops play If a COM signal is detected during play of a recorded memory block play is halted Pressing the PLAY Key while audio is playing begins playing the previously recorde
12. d memory block Each subsequent press of the PLAY Key selects the previously recorded memory block Powering off the unit automatically clears all recorded blocks l v Stops Play Sisi Marker Mute Key VOICE RECOGNITION Voice Recognition allows the pilot and optionally copilot to control the GMA 350 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 will respond If a command is correctly interpreted by the GMA 350 a positive acknowledgement chime will be played and the pilot should verify that the correct button selection is indicated by the triangular annunciator lights Alternatively some commands will be indicated by a voice response from the GMA 350 Ifthe desired modes are not indicated by annunciator lights or a voice response 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 24 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN GMA350 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 In the evenet of any abnormal Voice Recoginition operation the front panel controls may be used to override Vo
13. h 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 brightness is adjusted by the radio dimming bus control Three Aux inputs are available for additional avionics or audio devices Upon installation the unit may be configured in various ways depending on aircraft type and the needs of the pilot POWER UP The GMA 350 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 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 7 4 GMA 350 Audio Panel GARMIN MONO STEREO HEADSETS Stereo headsets are recommended when using the GMA 350 Using a monaural headset in a stereo jack shorts the right headset channel output to ground While this does not damage the Audio Panel a person listening on a monaural headset hears only the left channel in both ears If a monaural headset is used at one of the passenger positions any other passenger using a stereo headset hears audio in the left ear only TRANSCEIVERS NOTE Transceiver functions may also be accessed via Voice Recognition commands Refer to the Voice Recognition section f
14. ice Recognition and manually control the GMA 350 The following table lists the available Voice Recognition commands the associated actions and the voice response if applicable Example Phrase COM one MIC COM two MIC mai Split COM T split COM mode Mutes monitored COM on primary COM reception refer to Page 8 Voice Response Monitor mute enabled Monitored COM mute OR Mute Monitored COM n Disable monitored COM mute Disables monitored COM mute Monitored COM mute disable on primary COM reception refer Disable mute monitored COM to Page 8 OR Voice Response Monitored aa monitored COM disable mute disabled wee one Toggles NAV1 audio NAV two OO two Toggles NAV2 audio AUX OR Auxiliary Toggles AUX audio 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 25 A GMA 350 Audio Panel GARMIN Control Example Phrase Action Telephone Phone OR Toggles A TEL JACK input Jack Telephone mute bi DOM Mutes TEL JACK on radio ME S reception Mute phone Voice R Tel and iack Jack mute oice esponse el and jac mute enabled ute Jack isable telephone mute ute telephone disable isable phone mute ute phone disable sable jack mute Disables TEL JACK mute on radio ute jack disable i i oe reception Telephone mute disable Voice R Tel and iack Disable mute telephone ERA praia a Phone mute disable Mapes
15. ing modes the copilot position is configured as crew NOTE In the default ICS configuration only the pilot and copilot positions can hear aircraft alerts All Intercom Mode In All Intercom mode the Pilot Copilot and Passengers hear each other and hear the aircraft audio Aircraft Audio a A PILOT COPLT PASS ICS Keys Mode Operation Pilot Isolate Mode In Pilot Isolate mode the Pilot Copilot and Passengers hear the aircraft audio The Copilot and Passengers also hear each other 14 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN ___6 350 Audio Panel Aircraft Audio me ane v v 1 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 Aircraft Audio a i dd PILOT COPLT PASS ICS Keys Mode Operation 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 15 4 GMA 350 Audio Panel GARMIN 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 Split COM Mode Optional Aircraft Audio se ee w PILOT COPLT PASS ICS Keys Mode Operation All Isolate Mode In All Isolate mode the Pilot hears the aircraft audio The Copilot has the option to use Split COM mode The Passengers hear ea
16. is heard when MKR audio is selected Marker beacon lamps operate independently of any audio selection and cannot be turned off Marker Beacon Key amp 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 z Audio Keying Lamp Actuated i j em ae a 1300 Hz 3000 Hz White Inner The GMA 350 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 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 11 GMA 350 Audio Panel GARMI N Turning Marker Beacon Audio On With the MKR MUTE annunciator off press the MKR MUTE Key to activate marker beacon audio and illuminate the MKR MUTE annunciator Muting Marker Beacon Audio During marker beacon audio reception press the MKR MUTE Key to mute the audio The MKR MUTE annunciator remains lit but the current marker tone is silenced Audio muting deactivates automatically 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
17. not detected Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D 4 GARMIN GMA 350 Audio Panel INTERCOM SYSTEM ICS NOTE Intercom functions may also be accessed via Voice Recognition commands Refer to the Voice Recognition section for more information The GMA 350 includes a six position intercom system ICS two MUSIC inputs and one telephone entertainment input for the pilot copilot and passengers The intercom provides Pilot Copilot and Passenger audio isolation b io PILOT COPLT PASS Intercom Controls Press the PILOT COPLT and or PASS Keys to distribute as required If the annunciators are lit those positions will share intercom audio If an annunciator is NOT lit that position is isolated from the others COPILOT CONFIGURED AS CREW OR PASSENGER NOTE When the copilot position is configured as a passenger the COPLT 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 Configured as Passenger or Copilot Configured as Crew is heard 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 13 A GMA 350 Audio Panel GARMIN INTERCOM MODES A NOTE In the follow
18. ob will also cancel Blue Select Mode After approximately ten 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 volume level that must be exceeded to be heard over the intercom 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 19 4 GMA 350 Audio Panel GARMIN Adjusting Speaker Volume When the cursor is on SPKR the Volume Control Knob adjusts the speaker volume of the selected sources COM NAV AUX MKR Adjusting MKR AUX SEJ and MUSIC Volume When the cursor is on MKR AUX EE MUS1 or MUS2 the Volume Control Knob adjusts the individual volume of the selected source Manual Squelch Annunciator Off for Automatic Squelch On Relative Volume for Manual Squelch Squelch Scale TU GARMIN GMA 350 COM1 COM2 NAVI NAV2 JA must Musa MAN i gt gt MIC1 MIC2 PLAY AUX PILOT COPLT PASS SPKR M SPUT COM Volume or Manual Squelch Cursor Volume Sguelch Control SPEAKER All of the radios can be heard over the cabin speaker Pressing the SPKR Key selects and deselects 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
19. ock 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 assumes the pilot sits in the left seat A Garmin authorized service center can make changes to the default configuration 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 21 GMA 350 Audio Panel GARMI N 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 If the aural messages are not heard in only the left and then the right ear respectively the cause may be aircraft wiring or headset settings Refer to the following table if a headset or aircraft wiring problem is suspected 3D Audio Troubleshooting Symptom s Solution s 3D audio 1 Mono headset in use 1 Use a stereo headset left message heard in both 2 Stereo headset in use 2 Set mono stereo switch on ears with mono stereo headset to stereo 3D audio switch set to mono right message 3 Aircraft wiring has 3 If after checking solutions 1 not heard left audio wired to and 2 see a service center as both left and right soon as possible to inspect channels of stereo correct wiring This wiring fault headset jack can cause fail safe audio not to function 3D audio 1 Mono headset in use 1 Use a
20. or more information Audio from the 1 or 2 COM receiver can be selected independently by pressing the respective Key s COMI or COM2 Pressing MICI or MIC2 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 During reception of audio from the COM radio selected for transmission audio from the other COM radio is muted ENABLING DISABLING MONITORED COM MUTING Press and hold COMI or COM2 to enable disable monitored COM muting during reception of audio from the COM radio selected for transmission The aural message Monitor Mute Enabled Disabled is heard 8 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D A GARMIN __SMA 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 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 COMI COM2 The respective COMI MICI or COM2 MIC2 annunciators are illuminated indicating Split COM operation Split COM operation is cancelled by pressing one of the selected MIC Keys again
21. receiver audio can be heard on the speaker Press and hold for 2 seconds for Passenger Address PA The SPKR key flashes during PA Cursor CRSR Control Knob Turn to move the cursor flashing white or blue annunciator to the desired source G Volume VOL Control Knob Turn the smaller knob to control volume or squelch of the selected source indicated by the flashing white or blue annunciator When the volume control cursor is not active press to switch to Blue Select mode If the volume control cursor is active press twice once to cancel the cursor twice to activate Blue Select mode 6 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN 614350 Audio Panel FEATURES AND OPERATION The GMA 350 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 Ambient noise from the aircraft radios is reduced by Avionics Squelch ASQ When no audio is detected ASQ processing further reduces the amount of background noise The MAN SQ Key toggles between manual and automatic intercom system ICS squelch In automatic ICS squelch mode threshold adjustments are handled automatically by the system In manual ICS squelch mode individual threshold adjustments can be made for the pilot copilot and passenger microphones by the crew The ability to adjust individual thresholds for eac
22. s simultaneously selected when this key is pressed allowing received audio from the 1 COM receiver to be heard COM2 receive can be added by pressing the COM2 Key Selection of a second MIC button initiates Split COM mode When in Split COM mode the pilot is using COMI the copilot is using the COM2 MIC2 Selects the 2 transmitter for transmitting COM2 receive is simultaneously selected when this key is pressed allowing received audio from the 2 COM receiver to be heard COM1 receive can be added by pressing the COMI Key Selection of a second MIC button initiates Split COM mode When in Split COM mode the pilot is using COMI the copilot is using the COM2 PLAY Press once to play the latest recorded memory block Press while audio is playing begins playing the previously recorded memory block Each subsequent press thereafter plays the previous block of memory 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 5 GMA 350 Audio Panel GARMI N 5 AUX When selected audio from the AUX inputs can be heard PILOT Controls the pilot intercom system Press and hold to toggle 3D Audio on off for all headset positions 7 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 SPKR Selects and deselects the cabin speaker COM NAV AUX and MKR
23. ssengers during radio reception Voice Response Passenger mute enabled Disables muting of passengers during radio reception Voice Response Passenger mute disabled Configures Copilot as a passenger Voice Response Copilot is passenger Configures Copilot as flight crew Voice Response Copilot is crew Garmin GMA 350 Pilot s Guide 27 GMA 350 Audio Panel A GARMIN Example Phrase Action Manual Squelch Manual squelch OR Man squelch Manual squelch threshold up Man squelch threshold up Manual sguelch volume up OR Man sguelch volume up Manual sguelch threshold down Man squelch threshold down Manual sguelch voume down OR Man sguelch volume down Toggles manual sguelch mode Increases manual squelch threshold Decreases manual squelch threshold NOTE Finer manual squelch adjustment may be made using the dual concentric knobs on the GMA 350 The voice command Up or Down is equivalent to three clicks of the inner knob Speaker SPKR Speaker ma fex Marker Beacon MKR MUTE COM Clearance Recorder Cursor Volume Adjustments 28 Marker Mute marker OR Marker mute Play Read back OR Say again Cursor off Cursor cancel OR Cancel cursor up Desired selection volume down Desired selection volume Garmin GMA 350 Pilot s Guide oggles SPKR on off oggles PA on off Same
24. t marker beacon signal is received Also stops play of recorded COM audio G COMI When selected audio from the 1 COM receiver can be heard Press and hold to enable disable monitored COM muting during primary COM reception G COM2 When selected audio from the 42 COM receiver can be heard Press and hold to enable disable monitored COM muting during primary COM reception NAVI When selected audio from the 1 NAV receiver can be heard G NAV2 When selected audio from the 2 NAV receiver can be heard Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN 64350 Audio Panel Q Selects and deselects audio from a telephone or entertainment device connected to the Front Panel Jack Audio from a telephone connected to the rear of the audio panel is used if a device is not connected to the Front Panel Jack Press and hold to enable disable muting during reception MUSI Selects and deselects music entertainment audio Press and hold to enable disable MUS1 muting during reception MUS2 Selects and deselects music entertainment audio Press and hold to enable disable MUS2 muting during reception MAN SQ Manual Squelch annunciator When lit squelch is controlled manually Volume Indicator Indicates volume squelch setting relative to full scale Front Panel Jack Used for an entertainment or telephone input MICI Selects the 1 transmitter for transmitting COMI receive i
25. tion Enabled Disabled is heard FAIL SAFE OPERATION If there is a failure of the GMA 350 or when power is not applied a fail safe circuit connects the pilots headset and microphone directly to the COMI transceiver Audio is not available on the speaker during Fail safe operation 30 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN GMA350 Audio Panel Blank Page 190 01134 12 Rev D Garmin GMA 350 Pilot s Guide 31 A GARMIN Garmin International Inc 1200 East 151st Street Olathe KS 66062 U S A Toll free 800 800 1020 or 866 739 5687 p 913 397 8200 f 913 397 8282 Garmin AT Inc 2345 Turner Road SE Salem OR 97302 U S A Toll free 800 525 6726 p 503 391 3411 f 503 364 2138 Garmin Europe Ltd Liberty House Bulls Copse Road Hounsdown Business Park Southampton SO40 9RB U K Toll free within U K 0808 2380000 p 44 0870 8501241 f 44 0870 8501251 Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan p 886 2 2642 9199 f 886 2 2642 9099 www garmin com 2011 Garmin Ltd or its subsidiaries 190 01134 12 Rev D
26. udio source to adjust 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 Blue Select Mode Telephone Entertainment Distribution The music MUS1 MUS2 and telephone entertainment 25 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 Garmin GMA 350 Pilot s Guide 190 01134 12 Rev D GARMIN GMA350 Audio Panel 38 MUSI MUS2 PILOT NCOPLT PASS 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 not active If the volume control cursor is active press the small knob twice The first press will cancel the volume control cursor the second will activate Blue Select Mode The annunciator over the Key will be flashing blue Any combination of the annunciators over the PILOT COPLT and PASS buttons may be blue Select the desired button to turn the blue annunciator on or off to distribute the telephone entertainment audio to selected crew passenger positions Turn the large knob to select MUS1 or MUS2 and select the crew positions to receive the music audio Selecting any key other than PILOT COPLT PASS MUS1 MUS2 or will cancel Blue Select Mode Pressing the small kn
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