Table 3-23 Pressure Altitude Source Priority Order #1; Table 3-24 Baro-Corrected Altitude Source Selection #1; Table 3-25 Baro-Corrected Altitude Source Priority Order #1; Table 3-26 Baro-Corrected Altitude Source Priority Order #2 - Garmin GTX 3X5 Installation Manual

Table 3-23 Pressure Altitude Source Priority Order #1

Priority
1 ARINC 429 Label 203 from an ADC
2 ARINC 429 Label 203 from an EFIS/ADC
3 RS-232 from an ADC
4 RS-232 from a 25 ft resolution altitude source
5 RS-232 from a remote control panel
6 Optional GAE module
7 HSDB Pressure Altitude from GTN #1
8 HSDB Pressure Altitude from GTN #2
9 HSDB Pressure Altitude from a GX000
10 HSDB Pressure Altitude from GDU 620 #1
11 HSDB Pressure Altitude from GDU 620 #2
12 Gray code altitude
13 RS-232 from a 100 ft resolution altitude source

Table 3-24 Baro-Corrected Altitude Source Selection #1

Altitude Data
Select Discrete
Open
Ground

Table 3-25 Baro-Corrected Altitude Source Priority Order #1

Priority
1 Source specified in Altitude Source Configuration 1
2 Source specified in Altitude Source Configuration 2

Table 3-26 Baro-Corrected Altitude Source Priority Order #2

Priority
1 ARINC 429 Label 204 from an ADC
2 ARINC 429 Label 204 from an EFIS/ADC
3 RS-232 from an ADC
190-01499-02
Rev. 4
Source specified in Altitude Source Configuration 1
Source specified in Altitude Source Configuration 2
Source
Source
Source
Source
GTX 3X5 Transponder TSO Installation Manual
Page 3-17