Garmin GTN 635 Installation Manual page 105

6.9.5.3 ARINC 429 Configuration (GTX 33 Only)
Configure the four ARINC 429 input ports and the two ARINC 429 output ports. Select the correct speed
for each port depending upon the installed interfaced equipment by touching the speed key and toggling
the high or low selection. Each port can be configured independently for the desired functions by
selecting the desired data format from the menu.
SPEED SELECTIONS
Selection
Low Standard low-speed ARINC 429 (nominally 12.5 Kb per second)
High High-speed ARINC 429 (nominally 100 Kb per second)
Select the correct Data In and Data Out settings for each port. The data selections are described below.
ARINC 429 INPUT SELECTIONS
Channel Selection
All OFF
GPS
ADC NO ALT
ADC W/ALT
AHRS
EFIS/ADC NO ALT
1
through
3 EFIS/ADC W/ALT
GARMIN DISPLAY
GARMIN TAS
GARMIN 743A
AFCS
4 ADLP
The GTX 33 receives one of the following sets of ARINC 429 data. The labels are chosen when selected
in ARINC 429 INPUT. The received data may be at either LOW or HIGH speed. The default is LOW.
The received data labels are as follows:
AHRS COMPUTER (AHRS)
Label #
314 True Heading (degrees)
320 Magnetic Heading (degrees)
325 Roll Angle
365 Vertical Rate (feet/min)
GTN 625/635/650 TSO Installation Manual
190-01004-02
Description
No unit connected to this ARINC 429 input
Selected waypoint information and GPS ground speed
recognition.
Temperature and speed information
Altitude, temperature and speed information
Attitude and heading information
Selected course, heading, temperature, joystick waypoint and
speed information
Selected course, heading, temperature, joystick waypoint and
speed information plus altitude data
Same as GPS with added ability of receiving phase of flight data.
Traffic Advisory System discretes.
Standard GNSS output. Includes position, velocity, and integrity
data.
Selected altitude, baro setting, and pitch discretes.
Airborne Data Link Processor. ADLP is available only on
channel 4.
Data
Description
Page 6-25
Rev. C