Garmin GMA 240 installation manual 2 J2402 Connector J2402 Pin Assignments Pin Name

Page 27

4.2.2J2402 Connector

Table 4-2. J2402 Pin Assignments

Pin

Pin Name

I/O

1

PILOT HEADSET AUDIO OUT LO

--

2

COPILOT HEADSET AUDIO OUT LO

--

3

COPILOT HEADSET AUDIO OUT LEFT

OUT

4

COPILOT HEADSET AUDIO OUT RIGHT

OUT

5

LIGHTING BUS 14V LO/28V LO

--

6

LIGHTING BUS 14V HI/28V LO

IN

7

LIGHTING BUS 14V HI/28V HI

IN

8

AIRCRAFT POWER

IN

9

AIRCRAFT POWER

IN

10

AIRCRAFT GROUND

--

11

AIRCRAFT GROUND

--

12

RESERVED

--

13

PILOT ISO MUSIC* IN

IN

14

PILOT ISO MUSIC* RETURN

--

15

ALERT 3 AUDIO IN HI

IN

16

PILOT HEADSET AUDIO OUT LEFT

OUT

17

RESERVED

--

18

RESERVED

--

19

BUTTON PRESS TONE ENABLE* IN

IN

20

COM SWAP* IN

IN

21

COM SWAP* IN RETURN

--

22

RESERVED

--

23

MUSIC 1 IN LEFT

IN

24

MUSIC 1 IN RIGHT

IN

25

MUSIC 1 IN LO

--

26

MUSIC 2 IN LEFT

IN

27

MUSIC 2 IN RIGHT

IN

28

MUSIC 2 IN LO

--

29

FAILSAFE WARN AUDIO IN HI

IN

30

MUTE ON COM TX* IN

IN

31

PILOT HEADSET AUDIO OUT RIGHT

OUT

32

COPILOT MIC AUDIO IN HI

IN

33

COPILOT MIC KEY* IN

IN

34

COPILOT MIC AUDIO IN LO

--

35

PASS 1 MIC AUDIO IN HI

IN

36

PASS 1 MIC AUDIO IN LO

--

37

PASS 2 MIC AUDIO IN HI

IN

38

PASS 2 MIC AUDIO IN LO

--

39

RESERVED

--

40

RESERVED

--

41

RESERVED

--

42

RESERVED

--

43

RESERVED

--

44

RESERVED

--

* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)

GMA 240 Installation Manual

Page 4-3

190-00917-01

Rev. A

Image 27
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.