Garmin GMA 240 installation manual GMA240 J2401

Page 39

APPENDIX B INTERCONNECT DRAWINGS

GMA240 J2401

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

COM 2 MIC

COM 2 AUDIO COM 2 AUDIO

COM 1 MIC

COM 1 MIC

COM 1 AUDIO

COM 1 AUDIO

AUX2 AUDIO

AUX2 AUDIO

RESERVED

TEL MIC

TEL AUDIO LO TEL AUDIO IN

RESERVED

RESERVED

AUDIO OUT HI

LO

IN HI

KEY* OUT

AUDIO OUT HI

LO

IN HI

IN LO

IN HI

 

AUDIO OUT HI

 

HI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

29

 

28

 

27

26

 

25

 

 

24

 

23

 

22

 

21

 

20

 

19

 

18

 

 

17

16

COM 2 MIC

CREW ISO* IN

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

AUX1 AUDIO

AUX1 AUDIO

NAV 2 AUDIO

NAV 2 AUDIO

NAV 1 AUDIO

NAV 1 AUDIO

MASQ

KEY* OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN LO

IN HI

IN LO

 

IN HI

IN LO

 

IN HI

INHIBIT* IN

 

44

43

 

 

42

 

41

 

40

 

39

38

 

37

 

36

 

 

35

 

34

 

33

 

32

 

 

31

ALERT 2

ALERT 2,3

PASS

PASS

PASS

RESERVED

RESERVED

RESERVED

RESERVED

PILOT MIC

PILOT MIC

PILOT MIC

ALERT 1

 

ALERT 1

AUDIO IN HI

AUDIO IN LO

HEADSET

HEADSET

HEADSET

 

 

 

 

 

 

 

 

AUDIO IN LO

KEY* IN

AUDIO IN HI

AUDIO IN LO

AUDIO IN HI

 

 

 

 

AUDIO OUT

AUDIO OUT

AUDIO OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LO

RIGHT

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GMA240 J2402

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

ALERT 3

PILOT ISO

PILOT ISO

RESERVED

AIRCRAFT

AIRCRAFT

AIRCRAFT

AIRCRAFT

LIGHTING

LIGHTING

LIGHTING

COPILOT

COPILOT

COPILOT

PILOT

AUDIO IN HI

MUSIC*

MUSIC* IN

 

GROUND

GROUND

POWER

POWER

BUS 14V

BUS 14V

BUS 14V

HEADSET

HEADSET

HEADSET

HEADSET

 

RETURN

 

 

 

 

 

 

HI/28V HI

HI/28V LO

LO/28V LO

AUDIO OUT

AUDIO OUT

AUDIO OUT

AUDIO OUT

 

 

 

 

 

 

 

 

 

 

 

RIGHT

LEFT

LO

LO

30

 

29

28

 

 

27

 

26

 

25

 

24

 

23

 

22

 

21

 

20

19

18

17

 

16

MUTE* ON

FAILSAFE

MUSIC 2 IN LO

MUSIC 2 IN

MUSIC 2 IN

MUSIC 1 IN LO

MUSIC 1 IN

MUSIC 1 IN

RESERVED

COM SWAP*

COM SWAP*

BUTTON

RESERVED

RESERVED

PILOT

COM TX IN

WARN AUDIO

 

RIGHT

LEFT

 

 

RIGHT

LEFT

 

 

IN RETURN

 

IN

PRESS TONE

 

 

 

HEADSET

 

IN HI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENABLE* IN

 

 

 

AUDIO OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT

44

 

 

43

42

 

41

 

 

40

39

 

38

 

 

37

 

36

35

 

34

 

33

 

 

32

31

 

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

PASS 2 MIC

PASS 2 MIC

PASS 1 MIC

PASS 1 MIC

COPILOT MIC

COPILOT MIC

COPILOT MIC

PILOT

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO IN LO

AUDIO IN HI

AUDIO IN LO

AUDIO IN HI

AUDIO IN LO

KEY* IN

AUDIO IN HI

HEADSET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

 

Figure B-2. GMA 240, J2401 & J2402 Connector Layout Drawing

GMA 240 Installation Manual

Page B-7 (Page B-8 blank)

190-00917-01

Rev A

Image 39
Contents GMA Description Record of RevisionsSection Range Information Subject to Export Control LawsThis page intentionally left blank Table of Contents Appendix a Outline and Installation Drawings List of Illustrations GMA 240 Hardware MOD Level History Equipment Description IntroductionPhysical Characteristics Technical SpecificationsCharacteristic Specification Features SummaryElectrical Characteristics Power Requirements Reference DocumentsPart Number Document Limited Warranty Blank Equipment Available Installation MaterialsGMA 240 Wiring, Configuration, and Adjustment Options Garmin P/NInternal Configuration Jumpers Component Name Default DescriptionMusic VOLUME/MUTE Configuration AdjustmentsHardwire Configuration Option Access Hole Location Top ViewNoise GMA 340 Unit Rack GMA 240 MountingUnpacking Unit Electrical ConnectionsPositioner Audio Shield Termination GMA 240 InstallationTransceiver Operational Check Post Installation CheckoutLamp Test Failsafe Operation CheckMusic System Check Aircraft Receivers CheckPin List Connector Description1 P2401 Connector J2401 Pin Assignments Pin Name 2 J2402 Connector J2402 Pin Assignments Pin Name Pin Connector Pin Name Aircraft Power and Lighting3 P2403 Connector front panel 2.5 mm mini-jack Aircraft PowerConfiguration Pins External Configuration PinsPin Connector Pin Name Description Intercom Key Inputs if configured COM Audio and Mic Keys Pin Connector Pin Name DescriptionAudio Inputs/Outputs and Mic Keys Pin Name Description Alert Audio I/O Pin Connector Pin Name DescriptionAUX and NAV Audio Inputs Pin Connector Pin Name Description Failsafe Warning Audio PinTel Audio I/O Pin Connector Pin Name Description Headset Outputs Pin Connector Pin Name DescriptionCOM Swap Pin Connector Pin Name Description Appendix a Outline and Installation Drawings Figure A-2. GMA 240 Connector/Rack Assembly Drawing Figure A-3. GMA 240 Recommended Panel Cutout Dimensions Appendix B Interconnect Drawings Figure B-1. GMA 240 Interconnect Drawing page 2 Figure B-1. GMA 240 Interconnect Drawing page 3 GMA240 J2401 Top of Main Board Bottom of Main Board

GMA 240 specifications

The Garmin GMA 240 is a state-of-the-art audio panel designed specifically for aviation applications. This device is known for its advanced features, user-friendly interface, and superior sound quality, making it a popular choice among pilots and aircraft owners. One of the standout characteristics of the GMA 240 is its ability to integrate seamlessly with a variety of communication and navigation systems, enhancing situational awareness and streamlining cockpit operations.

One of the main features of the GMA 240 is its capability to manage multiple audio inputs. The panel provides independent volume controls for the pilot and co-pilot, allowing each to adjust their audio levels according to their preferences. Additionally, the GMA 240 offers a dedicated input for auxiliary devices, such as smartphones or tablet computers, facilitating music playback or calls during flight.

The GMA 240 also incorporates advanced noise reduction technology. This feature minimizes ambient noise interference, ensuring that communication between the crew and air traffic control is crystal clear. The panel is equipped with a digital processing function that enhances audio clarity and reduces background noise, a critical asset in the typically noisy environment of an aircraft cockpit.

Another noteworthy characteristic of the GMA 240 is its intuitive operation. The layout of the controls is logical and straightforward, allowing pilots to adjust settings quickly and efficiently without distraction. This ease of use is crucial, especially during high-pressure situations when pilots need to maintain focus on flying while managing audio communications.

The GMA 240 supports a wide range of aircraft configurations, making it a versatile choice for various aviation needs. It is designed to be compatible with both general aviation and commercial aircraft, further extending its usability in different environments. The panel meets rigorous safety standards, ensuring it can withstand the demands of aviation use.

In terms of installation, the GMA 240 is engineered for easy integration into existing cockpits, requiring minimal modifications. Its compact design and robust build quality ensure durability even in challenging flight conditions.

In summary, the Garmin GMA 240 audio panel stands out for its combination of advanced features, user-friendly design, and high-quality performance. With its excellent noise reduction capabilities, independent audio controls for each crew member, and broad compatibility, it is an essential tool for enhancing communication and safety in the cockpit. This audio panel continues to be a preferred choice for aviation professionals seeking reliability and efficiency.