Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page 5-50 Rev. 4
ARINC 429 Input Selections
Select the correct Data In and Data Out settings for each port. The data selections are described below.
Table 5-43. ARINC 429 Input Selections
Channel Selection Description
All OFF No unit connected to this ARINC 429 input
1 Through 3
GPS
Selected waypoint information and GPS groundspeed
recognition.
ADC NO ALT Temperature and speed information
ADC W/ALT Altitude, temperature and speed information
AHRS Attitude and heading information
EFIS/ADC NO ALT
Selected course, heading, temperature, joystick
waypoint and speed information
EFIS/ADC W/ALT
Selected course, heading, temperature, joystick
waypoint and speed information plus altitude data
GARMIN DISPLAY
Same as GPS with added ability of receiving phase of
flight data.
GARMIN TAS Traffic Advisory System discretes.
GARMIN 743A
Standard GNSS output. Includes position, velocity, and
integrity data.
AFCS Selected altitude, baro setting, and pitch discretes.
4 ADLP
Airborne Data Link Processor. ADLP is available only on
channel 4.
The GTX 33 receives one of the following sets of ARINC 429 data. The labels are chosen when selected
in ARINC 429 INPUT. Data may be received at either LOW or HIGH speed. The default is LOW. The
transmit data labels are as follows:
Table 5-44. AHRS Labels
Label Data
314 True Heading (degrees)
320 Magnetic Heading (degrees)
325 Roll Angle
365 Vertical Rate (feet/min)