190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 9
Page C-4
Equipment Compatibility and Configuration
C.3
Altitude Sources
Table C-3 Altitude Sources
Manufacturer
Model
Interfacing
Equipment
Configuration
GTX 335
Configuration
Setting
GTX 345
Configuration
Setting
Notes
ACT Tech
A-30
N/A
ALT FMT 1 25ft
ALT FMT 1 25 ft
B&D
90004-003
N/A
ADC
ADC
Garmin
G950/G1000
GEN PURPOSE
(Speed: HIGH)
N/A
EFIS AIR DATA
(Speed: HIGH)
Interface is primarily for providing true heading to
the GTX, however this format also provides
altitude. Refer to table C-6. Required if external
traffic system is installed.
GDC 74( )
N/A
ADC
ADC
GDU 620
GENERAL
(Speed: HIGH)
EFIS AIR DATA
(Speed: HIGH)
EFIS AIR DATA
(Speed: HIGH)
GTN 6XX/7XX
GTX Mode S+
[1]
OR
GTX w/TIS+ [2]
REMOTE FMT 1 [1]
OR
REMOTE FMT 2 [2]
REMOTE FMT 1 [1]
OR
REMOTE FMT 2 [2]
This configuration is primarily for purposes of
transponder remote control, however this
configuration also provides altitude data. Refer to
table C-9.
GAE 12
N/A
Garmin Altitude
Encoder: Present
Garmin Altitude
Encoder: Present
Honeywell
(Bendix/King)
KDC 281
N/A
ADC
ADC
KDC 481
N/A
ADC
ADC
Icarus
Instruments
3000
N/A
ALT FMT 1 100ft
ALT FMT 1 100 ft
Sandia
SAE 5-35
N/A
ALT FMT 1 25ft
ALT FMT 1 25 ft
Either RS-232 or Gillham Gray code format can be
used to provide altitude data from the Sandia SAE
5-35 to the GTX 3X5.
N/A
Gillham Discretes ON
Gillham Discretes ON
