Garmin GMA 240 Technical Specifications, Characteristic Specification, Features Summary

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1.2.1Features Summary

User-friendly, intuitive front panel layout

LEDs indicate selected function

Four position intercom: pilot, copilot, two passengers

Two stereo headset amplifiers: one for pilot, one for copilot/passengers

Two differential stereo music source inputs

Front panel music volume control, source selection, and master music on/off switch

Front panel controls for music muting by intercom and selected radios

Two selectable intercom operational modes

Selectable aural pushbutton annunciation (beep)

Independent pilot, copilot/passenger intercom volume and squelch controls

Individual VOX circuits for each of four (4) mic inputs

Automatic selection of COM audio source when corresponding mic is selected

Memory of explicitly selected COM audio source(s) when changing COM mic selection

MASQ™ Processing with configurable mute threshold

COM swap function

PTT indication

Power-off fail-safe to connect Pilot PTT, mic, and Headset to COM 1 if unit is turned off

Power-off fail-safe warning audio input

Full duplex Telephone interface

Front Panel Mini-Jack (MP3 player, cellular phone, etc.)

1.3

Technical Specifications

 

1.3.1

Physical Characteristics

 

 

 

 

 

Characteristic

Specification

 

 

Bezel Height

1.30 inches (33 mm)

 

 

Bezel Width

6.29 inches (159.77 mm)

 

 

Rack Height (Dimple to Dimple)

1.33 inches (34 mm)

 

 

Rack Width

6.30 inches (160.02 mm)

 

 

Depth Behind Panel with Connectors

7.12 inches (181 mm)

(measured from face of aircraft panel to rear

 

of connector backshells)

 

 

 

GMA 240 Weight (Unit Only)

15.5 oz (440 g)

 

 

GMA 240 Weight (Installed with rack and

24 oz (680 g)

connectors)

 

 

 

 

Page 1-2

GMA 240 Installation Manual

Rev. A

190-00917-01

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Contents GMA Record of Revisions DescriptionInformation Subject to Export Control Laws Section RangeThis page intentionally left blank Table of Contents Appendix a Outline and Installation Drawings List of Illustrations GMA 240 Hardware MOD Level History Introduction Equipment DescriptionFeatures Summary Technical SpecificationsCharacteristic Specification Physical CharacteristicsElectrical Characteristics Reference Documents Power RequirementsPart Number Document Limited Warranty Blank Garmin P/N Installation MaterialsGMA 240 Wiring, Configuration, and Adjustment Options Equipment AvailableComponent Name Default Description Internal Configuration JumpersVOLUME/MUTE Configuration Adjustments MusicAccess Hole Location Top View Hardwire Configuration OptionNoise GMA 240 Mounting GMA 340 Unit RackElectrical Connections Unpacking UnitPositioner GMA 240 Installation Audio Shield TerminationFailsafe Operation Check Post Installation CheckoutLamp Test Transceiver Operational CheckAircraft Receivers Check Music System CheckConnector Description Pin List1 P2401 Connector J2401 Pin Assignments Pin Name 2 J2402 Connector J2402 Pin Assignments Pin Name Aircraft Power Aircraft Power and Lighting3 P2403 Connector front panel 2.5 mm mini-jack Pin Connector Pin NameExternal 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 Failsafe Warning Audio Pin Alert Audio I/O Pin Connector Pin Name DescriptionAUX and NAV Audio Inputs Pin Connector Pin Name Description Pin Name DescriptionHeadset 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.