Gtx Input Source Priority; Figure 3-1 Air Data Discrete Priority Order - Garmin GTX 3X5 Series Installation Manual

3.10 GTX Input Source Priority

The GTX 3X5 accepts data from multiple sources. If multiple sources supply data to the unit, only valid data from the
highest priority source is used. Source priorities are shown from highest to the lowest.
START
Is the Air Data Select
discrete configured?
NO
190-01499-02
Rev. 9
Are the ARINC 429
YES
Sources configured as
EFIS/ADC?
NO
Are the ARINC 429
Sources configured as
ADC?
NO

Figure 3-1 Air Data Discrete Priority Order

Installation Overview
Applicable Priority Tables
Barometric Vertical Rate
Indicated Airspeed
True Airspeed
Barometric Pressure Setting
MCP/FCU Selected Altitude
Magnetic Heading
YES
True Heading
Static Air Temp
Total Air Temp
Roll Angle
Mach
Table 3-11
Barometric Vertical Rate - Table 3-11
Indicated Airspeed - Table 3-11
True Airspeed - Table 3-11
Barometric Pressure Setting - Table 3-15
MCP/FCU Selected Altitude - Table 3-16
Magnetic Heading- Table 3-17
YES
True Heading - Table 3-18
Static Air Temp - Table 3-11
Total Air Temp - Table 3-11
Roll Angle - Table 3-35
Mach - Table 3-11
Barometric Vertical Rate - Table 3-12
Indicated Airspeed - Table 3-13
True Airspeed - Table 3-14
Barometric Pressure Setting - Table 3-15
MCP/FCU Selected Altitude - Table 3-16
Magnetic Heading - Table 3-17
True Heading - Table 3-18
Static Air Temp - Table 3-19
Total Air Temp - Table 3-20
Roll Angle - Table 3-35
Mach - Table 3-36
GTX 3X5 Transponder TSO Installation Manual
Page 3-13