Garmin GMA 240 Alert Audio I/O Pin Connector Pin Name Description, Failsafe Warning Audio Pin

Page 31

4.5.4Alert Audio I/O

Pin

Connector

Pin Name

Description

I/O

31

P2401

ALERT 1

AUDIO IN HI

Alert 1 Audio Input

IN

32

P2401

ALERT 1

AUDIO IN LO

Ground Reference for Alert 1

--

44

P2401

ALERT 2

AUDIO IN HI

Alert 2 Audio Input

IN

15

P2402

ALERT 3

AUDIO IN HI

Alert 3 Audio Input

IN

43

P2401

ALERT 2,3 AUDIO IN LO

Ground Reference for Alert 2 & 3

--

4.5.5AUX and NAV Audio Inputs

Pin

Connector

Pin Name

Description

I/O

21

P2401

AUX1 AUDIO IN HI

AUX1 Audio Input

IN

22

P2401

AUX1 AUDIO IN LO

Ground Reference for AUX1 Input

--

7

P2401

AUX2 AUDIO IN HI

AUX2 Audio Input

IN

8

P2401

AUX2 AUDIO IN LO

Ground Reference for AUX2 Input

--

17

P2401

NAV 1 AUDIO IN HI

NAV 1 Audio Input

IN

18

P2401

NAV 1 AUDIO IN LO

NAV 1 Ground Reference

--

19

P2401

NAV 2 AUDIO IN HI

NAV 2 Audio Input

IN

20

P2401

NAV 2 AUDIO IN LO

NAV 2 Ground Reference

--

4.5.6

 

Failsafe Warning Audio

 

 

 

 

 

 

 

 

 

 

 

Pin

 

Connector

 

Pin Name

 

Description

I/O

29

 

P2402

FAILSAFE WARN AUDIO IN HI

Failsafe Warning Audio Input

IN

4.5.7

 

Music Inputs

 

 

 

 

 

 

 

 

 

 

 

Pin

 

Connector

 

Pin Name

 

Description

I/O

23

 

P2402

 

MUSIC 1 IN LEFT

Music 1 Input

IN

24

 

P2402

 

MUSIC 1 IN RIGHT

IN

 

 

 

 

25

 

P2402

 

MUSIC 1 IN LO

Ground Reference for Music 1

--

26

 

P2402

 

MUSIC 2 IN LEFT

Music 2 Input

IN

27

 

P2402

 

MUSIC 2 IN RIGHT

IN

 

 

 

 

28

 

P2402

 

MUSIC 2 IN LO

Ground Reference for Music 2

--

GMA 240 Installation Manual

Page 4-7

190-00917-01

Rev. A

Image 31
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 Reference Documents Power RequirementsPart 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 MountingElectrical Connections Unpacking UnitPositioner 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 PowerExternal Configuration Pins Configuration PinsPin Connector Pin Name Description COM Audio and Mic Keys Pin Connector Pin Name Description Intercom Key Inputs if configuredAudio 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 PinHeadset Outputs Pin Connector Pin Name Description Tel Audio I/O 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.