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190-01878-01 Rev. A

Garmin GMA 345 Pilot’s Guide

29

GMA 345 Audio Panel

USB POWER JACK

The USB power jack is a dedicated charge port and uses a USB Type A

jack. The USB power jack will charge any device while the GMA is powered
on. In circumstances where the aircraft power falls below 11 volts, the USB
power jack will turn off. When the GMA is turned off, the USB power port
is also off. The USB power jack supports a maximum of 2.1 Amps charge
current to devices.

USB Jack Dust Cover

Note that the GMA USB dust cover can be clipped to any USB cable

plugged into the GMA. The dust cover has a clip feature that can attach to a
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. Audio is not available on the speaker during Fail-safe
operation.

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Содержание GMA 345

Страница 1: ...GMA 345 pilot s guide ...

Страница 2: ...xcept 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 person...

Страница 3: ...t 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 This Limited Warranty also does not apply to and Garmin is not responsible for any degradation in the performance of any Garmin navigation product resulting...

Страница 4: ...nal retailer is required Garmin will not replace missing components from any package purchased through an online auction International purchases A separate warranty may be provided by international distributors for devices purchased outside the U S depending on the country If applicable this warranty is provided by the local in country distributor and this distributor provides local service for yo...

Страница 5: ...ed operation FCC RF Radiation Exposure Statement ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolled environment End users must follow the specific operating instructions for satisfying RF exposure compliance This transmitter meets both portable and mobile limits as demonstrated in the RF Exposure Analysis This transmitter must not be co located or operating in conjunction...

Страница 6: ...mitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication Selon les réglementations d Industrie Canada cet éme...

Страница 7: ...Part Number Change Summary 190 01878 01 Initial release Rev Date Description A July 2016 Production Release ...

Страница 8: ...m ICS 16 Pilot Isolate Mode 17 Crew Isolate Mode 17 Intercom Volume 17 Radio Mute Music 17 ICS Mute Music 18 Passenger Muting 18 Speaker 18 Passenger Address Mode PA Mode 18 Split PA Mode 19 3D Audio 19 Enabling 3D Audio 19 Clearance Recorder and Player 22 Entertainment Inputs 23 Music Effects 25 Entertainment Muting 25 Enabling Disabling Muting 25 Bluetooth 25 Pairing a Bluetooth Device 26 Pairin...

Страница 9: ...rocessing further reduces the amount of background noise Intercom squelch threshold adjustments are handled automatically by the system Pushbutton keys control audio selection When a key is selected a green annunciator on 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 avai...

Страница 10: ...ut 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 LEFT RIGHT KNOBS The Left Inner Knob powers off the unit and is used to control pilot ICS volume The Left Outer Knob contr...

Страница 11: ...creases decreases Copilot Passenger ICS Volume Turn Right Inner Knob right left to increase decrease volume Minimum maximum volume is reached at full counter clockwise clockwise position Copilot and Passenger ICS volume increases decreases Copilot Passenger Music Volume Turn Right Outer Knob right left to increase decrease volume Minimum maximum volume is reached at full counter clockwise clockwis...

Страница 12: ...the copilot can transmit simultaneously over separate radios The pilot uses COM1 and the copilot uses COM2 Pressing both MIC Keys simultaneously initiates Split COM Mode i e COM1 COM2 The respective COM1 COM1 MIC and COM2 COM2 MIC annunciators are illuminated indicating Split COM operation Split COM operation is cancelled by pressing one of the selected MIC Keys again TRANSMIT INDICATIONS During C...

Страница 13: ...ing Push to Talk PTT Press the corresponding MIC Key The last MIC pressed remains selected and deselects all others MIC Enabled MIC Disabled Transmit Indication Audio is sent from the corresponding Crew MIC to the selected COM Push to Talk PTT keyed MIC in key annunciator flashes Split COM Mode The pilot transmits on COM1 and the copilot transmits on COM2 independently Simultaneously press COM1 MI...

Страница 14: ... 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 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 Se...

Страница 15: ...nal sensitivity threshold can be set to either a regular or high sensitivity To toggle between the two press and hold the MKR MUTE Key for one second The HI SENS annunciator illuminates when signal sensitivity is set to high 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 GM...

Страница 16: ...he 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 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 pr...

Страница 17: ...REW ICS ISOLATION is active INTERCOM VOLUME The knobs on either side of the GMA 345 control intercom and music volume independently The left inner and outer knobs are dedicated to the audio levels for the pilot headset the right inner and outer knobs control audio levels for not only the copilot but also any passenger headsets The inner smaller knobs on both sides are used to control intercom volu...

Страница 18: ...elow 11 volts 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 speaker is not selected Speaker Key Passenger Address Mode PA Mode Press and hold the SPKR Key for one second to ini...

Страница 19: ...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 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 assum...

Страница 20: ... 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 ...

Страница 21: ...ct aircraft wiring left right channels swapped 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 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 n...

Страница 22: ...emory blocks starting from the oldest block Pressing the PLAY Key once plays the latest recorded memory block 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 recorded memory block Each subsequent press of the PLAY Key select...

Страница 23: ...EL Key to enable Bluetooth telephone or rear connector wired telephone connection to ICS When a Bluetooth telephone connection is active the rear telephone connection is disabled Distribution is controlled by ICS isolation state When the TEL Key is selected the pilot is always connected to the telephone interface Other ICS positions are connected to the telephone interface if they hear the Pilot i...

Страница 24: ... incoming call TEL flashing TEL displays solid blue Bluetooth Phone Call Disconnected By Source Lost connection or user action or TEL returns to previous state green or OFF Disconnect Bluetooth Phone Call Using GMA 345 Press TEL or TEL returns to previous state green or OFF Bluetooth Phone Call Initiated by Source Phone Press TEL if TEL is not yet selected TEL displays solid blue If TEL is selecte...

Страница 25: ... muting of music on and off The aural message Radio Mute Music Enabled Disabled is heard Press and hold the AUX2 button for one second to toggle intercom muting of music on and off 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 fo...

Страница 26: ...efully disconnect a device currently connected to the 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 While discoverable a Bluetooth enabl...

Страница 27: ...ceiving audio via the Bluetooth Hands Free Profile NOTE The third party camera must initiate the initial pairing process with the GMA 345 Press and hold the TEL PAIR Key for one second to put the GMA 345 into pairing mode Reference the third party camera s manual for its pairing instructions Once the pairing process is complete the GMA 345 and the third party camera will connect to each other via ...

Страница 28: ...is powercycled Bluetooth Media Controls With a Bluetooth device connected music enabled and the Bluetooth Music Source selected Press the NAV2 and MUSIC Keys simultaneously to PLAY PAUSE Bluetooth media Press the NAV2 and AUX1 Keys simultaneously to skip to the previous Bluetooth media track Press the NAV2 and AUX2 Keys simultaneously to skip to the next Bluetooth media track Bluetooth Telephone V...

Страница 29: ...er port is also off The USB power jack supports a maximum of 2 1 Amps charge current to devices USB Jack Dust Cover Note that the GMA USB dust cover can be clipped to any USB cable plugged into the GMA The dust cover has a clip feature that can attach to a 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 appli...

Страница 30: ...keys simultaneously Intercom Mute Music Press and hold for 1 second BT Call Volume Increase Press and hold 3D Audio Press and hold for 1 second BT Call Volume Decrease Press and hold Passenger Address Press and hold for 1 second Bluetooth Pairing Mode Press and hold for 1 second Split COM and Press keys simultaneously Bluetooth Recording Mode and Press keys simultaneously Marker Beacon High Sens P...

Страница 31: ......

Страница 32: ...Road SE Salem OR 97302 U S A Tel 503 581 8101 Fax 503 364 2138 Garmin Europe Ltd Liberty House Hounsdown Business Park Southampton Hampshire SO40 9LR U K Tel 44 0 238 052 4000 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 Garm...

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