Garmin GTX 3X5 Series Installation Manual - page 48
190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 4
Page 3-18
Table 3-27 AHRS Source Priority
Table 3-28 Airport Reference Points Source Priority
Table 3-29 Density Altitude Source Priority
Table 3-30 Height Above Terrain Source Priority
Priority
Source
1
ARINC 429 labels 270, 324, 325, 332, 333, and 340 from an AHRS.
2
RS-232 from a remote control panel
3
HSDB AHRS Data from a GX000
4
HSDB AHRS Data from GDU 620 #1
5
HSDB AHRS Data from GDU 620 #2
6
AHRS Data from the Internal AHRS
Priority
Source
1
RS-232 from a remote control panel
2
HSDB Runway Information from GTN #1
3
HSDB Runway Information from GTN #2
4
HSDB Runway Information from a GX000
5
HSDB Runway Information from GDU 620 #1
6
HSDB Runway Information from GDU 620 #2
Priority
Source
1
RS-232 from an ADC
2
RS-232 from a remote control panel
3
HSDB Density Altitude from a GX000
4
HSDB Density Altitude from GDU 620 #1
5
HSDB Density Altitude from GDU 620 #2
Priority
Source
1
RS-232 from a remote control panel
2
RS-232 from a GNS
3
HSDB Height Above Terrain from GTN #1
4
HSDB Height Above Terrain from GTN #2
5
HSDB Height Above Terrain from a GX000
6
HSDB Height Above Terrain from GDU 620 #1
7
HSDB Height Above Terrain from GDU 620 #2