Garmin G3X Installation Manual page 724

ADS-B Receive Capability: UAT should be enabled (green indicator) if the aircraft is equipped with a
receiver that provides ADS-B In capability using the 978 MHz UAT frequency, such as the GDL 39.
1090ES should be enable (green indicator) if the aircraft is equipped with a receiver that provides ADS-B
In capability using the 1090 MHz frequency, such as the GDL 39.
Position Integrity: This selection is only available for GTX 23 ES and GTX 33ES units. Position
Integrity is automatically configured for GTX 35R/45R/335R/345R units .Refers to the integrity level of
the separate TSO WAAS GPS input that can be connected to the transponder. Set to 1
GNS/GTN/GPS unit or GPS 20A is providing ADS-B Out+ to the transponder. Set to "VFR GPS" if none
of these devices (certified GNS/GTN/GPS unit or GPS 20A) are connected to the transponder.
NOTE
A "Configuration Error" indication is most commonly the result of one or more items on
the transponder configuration page which have been left un-configured. For proper
transponder operation, all items on this page must be properly configured.
190-01115-01 G3X/G3X Touch Install Manual - GDU 45X/46X Config and Post Install Checkout
Rev. AA
-7 when a certified
E
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