Figure 3-2 Pressure Altitude Priority Order; Table 3-11 Air Data Select Source Priority - Garmin GTX 3X5 Series Installation Manual

Air Data
Select Discrete
Open
Ground
190-01499-02
Rev. 9
START
Is Transponder
Control Format 2
configured?
NO
Is the Altitude Data
Select discrete
configured?
NO
Are Altitude Sources 1
and/or 2 configured?
NO
Is the Air Data Select
discrete configured?
NO

Figure 3-2 Pressure Altitude Priority Order

Table 3-11 Air Data Select Source Priority

Configured port 1 ARINC 429 EFIS ADC/ADC input
Configured port 2 ARINC 429 EFIS ADC/ADC input
Applicable Priority Tables
Refer to Transponder Control
YES
Enablement Guide
Pressure Altitude Table 3-21
YES
Baro-Corrected Altitude Table 3-24
Pressure Altitude Table 3-22
YES
Baro-Corrected Altitude Table 3-25
Pressure Altitude Table 3-11
YES
Baro-Corrected Altitude Table 3-11
Pressure Altitude Table 3-23
Baro-Corrected Altitude Table 3-26
Source
GTX 3X5 Transponder TSO Installation Manual
Installation Overview
Page 3-14