G3X Installation Manual – Installation Overview Page 1-1190-01115-01 Revision A1 G3X Installation Overview1.1 Unpacking UnitCarefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurredduring shipment. If any component of the G3X system is damaged, notify the carrier and file a claim. Tojustify a claim, save the original shipping container and all packing materials. Do not return the unit toGarmin until the carrier has authorized 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 materialto prevent movement.1.2 IntroductionThis manual provides all of the mechanical and electrical information required for the installation of theG3X system.NOTEThe Garmin G3X system includes products like the GDU 37X and the GSU 73 that arenot TSO-certified products and have received no FAA approval or endorsement.Consequently the G3X system is not suitable for installation in type-certificated aircraft.The following outline describes the organization of this manual:Section 1 This section contains a basic overview of the G3X system and interface. A Blockdiagram is given to aid in the understanding of the system. This section also containsgeneric information that pertains to all components of the G3X system, such asmounting, wiring, and antenna location.Section 2 This section describes the mechanical, electrical, and installation aspects of theGDU 37X.Section 3 This section describes the mechanical, electrical, and installation aspects of theGMU 44.Section 4 This section describes the mechanical, electrical, and installation aspects of theGSU 73.Section 5 This section describes the mechanical, electrical, and installation aspects of theGTP 59.Section 6 This section describes the mechanical, electrical, and installation aspects for the GPSand XM antennas.Section 7 This section describes the non-G3X LRU interfaces.Section 8 This section contains software, configuration, database, and XM activationinformation.Section 9 This section contains post-installation checkout and calibration procedures for theG3X.Section 10 This section contains G3X troubleshooting information.Section 11 This section contains information for ensuring the unit is suitable to be returned toservice.Appendix A This section contains pinout information for all G3X LRU’s.Appendix B This section contains connector installation instructions.Appendix C This section contains G3X Outline and Installation Drawings.Appendix D This section contains the G3X Interconnect Drawings.Appendix E This section contains the G3X External Interface Drawings.