User Guide

190-00442-00 Rev. A Garmin G1000 System Overview for Mooney M20M & M20R
2-3
SYSTEM OVERVIEW
• GEA 71 – The GEA 71 receives and processes signals
from engine and airframe sensors. Sensor types
include engine temperature and pressure sensors
as well as fuel measurement and pressure sensors.
The GEA 71 communicates with both GIA 63s using
RS-485 digital interface.
• GTX 32 – The GTX 32 is a solid-state transponder
providing Modes A and C operation. The PFD
provides control and operation of the GTX 32.
The transponder communicates with both GIA 63s
through RS-232 digital interface.
• GTX 33 – The GTX 33 is a solid-state Mode S
transponder providing Modes A, C, and S opera-
tion. The PFD provides control and operation of
the GTX 33. The transponder communicates with
both GIA 63s through RS-232 digital interface.
NOTE: See the Aircraft Flight Manual to deter-
mine which transponder is installed in your
aircraft.