Installation Overview
190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 9
Page 3-14
Figure 3-2 Pressure Altitude Priority Order
Table 3-11 Air Data Select Source Priority
Air Data
Select Discrete
Source
Open
Configured port 1 ARINC 429 EFIS ADC/ADC input
Ground
Configured port 2 ARINC 429 EFIS ADC/ADC input
Is the Altitude Data
Select discrete
configured?
Pressure Altitude Table 3-21
Baro-Corrected Altitude Table 3-24
YES
Is the Air Data Select
discrete configured?
Pressure Altitude Table 3-11
Baro-Corrected Altitude Table 3-11
YES
NO
NO
Are Altitude Sources 1
and/or 2 configured?
Pressure Altitude Table 3-22
Baro-Corrected Altitude Table 3-25
YES
Pressure Altitude Table 3-23
Baro-Corrected Altitude Table 3-26
NO
Applicable Priority Tables
START
Is Transponder
Control Format 2
configured?
Refer to Transponder Control
Enablement Guide
YES
NO