Table 3-15 Barometric Pressure Setting Source Priority; Table 3-16 Mcp/Fcu Selected Altitude Source Priority - Garmin GTX 3X5 Series Installation Manual

NOTE
If the Air Data Select discrete input is configured and the source is EFIS/Air Data, Label 235 will have
priority over Label 234.
Priority
1 ARINC 429 label 235 from an EFIS/ADC
2 ARINC 429 label 234 from an EFIS/ADC
3 ARINC 429 label 235 from an AFCS
4 ARINC 429 label 234 from an AFCS
5 RS-232 from an ADC
6 RS-232 from a remote control panel
7 HSDB barometric pressure setting from a GX000
8 HSDB barometric pressure setting from GDU 620 #1
9 HSDB barometric pressure setting from GDU 620 #2
Priority
1 ARINC 429 label 102 from an AFCS
2 ARINC 429 label 102 from an EFIS/ADC
3 RS-232 from a remote control panel
4 HSDB selected altitude from a GX000
5 HSDB selected altitude from GDU 620 #1
6 HSDB selected altitude from GDU 620 #2
190-01499-02
Rev. 9

Table 3-15 Barometric Pressure Setting Source Priority

Table 3-16 MCP/FCU Selected Altitude Source Priority

Source
Source
GTX 3X5 Transponder TSO Installation Manual
Installation Overview
Page 3-16