Garmin G1000 Pilot's Manual page 17

• GTX 33 – The GTX 33 is a solid-state, Mode-
S transponder that provides Modes A, C and S
operation. The GTX 33 is controlled through the
PFD and communicates with both GIA 63s through
an RS-232 digital interface.
190-00498-00 Rev. A Garmin G1000 Pilot's Guide for Cessna Nav III
• GDL 69/69A – The GDL 69/69A is an XM satellite
radio receiver that provides real-time weather
information to the G1000 MFD. The GDL 69A
also provides digital audio entertainment in the
cockpit. The GDL 69/69A communicates with the
MFD on the High-Speed Data Bus. A subscription
to the XM Satellite Radio service is required for the
GDL 69/69A to be used.
SYSTEM OVERVIEW
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