GDU 37X Installation Manual Page 1-1190-01054-01 Revision C1 GDU 37X Installation Overview1.1 Unpacking UnitCarefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurredduring shipment. If the unit is damaged, notify the carrier and file a claim. To justify a claim, save theoriginal shipping container and all packing materials. Do not return the unit to Garmin until the carrier hasauthorized the claim.Retain the original shipping containers for storage. If the original containers are not available, a separatecardboard container should be prepared that is large enough to accommodate sufficient packing material toprevent movement.1.2 IntroductionThis manual provides an overview of the GDU 37X and its mechanical and electrical installation aspects.The Garmin GDU 37X is not a TSO-certified product and has received no FAAapproval or endorsement, and is therefore not suitable for installation in a type-certificated aircraft.The following outline describes the organization of this manual:Section 1 This section gives a basic overview of the GDU 37X system and interface. Thissection contains generic information that pertains to all components of the GDU37X system, such as wiring and backshell considerations.Section 2 This section describes the electrical and installation aspects of the GDU 37X.Section 3 This section describes the electrical and installation aspects of the Garmin GPSand XM antennas.Section 4 This section contains software, configuration, database, and XM activationinformation.Section 5 This section contains post-installation checkout for the GDU 37X.Appdx A This section contains pinout information for all GDU 37X LRU’s.Appdx B This section contains outline and installation drawings for the Garmin Antennasand GDU 37X units.Appdx C This section connector installation instructions.Appdx D This section contains interconnect drawings for the Garmin GDU 37X.1.3 System OverviewThe GDU 37X is a Non-TSO’d multifunction display designed for retrofit installation in light sport (LSA)and experimental aircraft. It features a built-in XM weather audio receiver (GDU 375 only), 7” WVGAhigh-resolution screen, and dual power inputs.NOTE
