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190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Rev. 7 Page 2-2
2.1.2 NAV Antenna Cable Splitter
The navigation antenna cable splitter (Garmin P/N 013-00112-00) is used for installations involving dual
VHF navigation capable GTNs or a single VHF navigation capable GTN installation with a second
non-Garmin aviation unit.
2.1.3 NAV Antenna Cable Diplexer
The GTN 650/750 navigation units have a single navigation antenna port and thus require a composite
signal for those installations which include separate VOR/LOC and G/S antennas. The navigation diplexer
(Comant diplexer VOR/GS, Model CI-507) is used for these installations.
2.2 Backplate Connectors
Figure 2-1. GMA 35 Connector Layout Detail - Rear View