Cessna 177 - Garmin GTX 3 X5 Transponder

190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
Page 6 of 17 FAA APPROVED
1.2 GTX 3X5
The Garmin GTX 3X5 family consists of the GTX 335, 335R, 345, and 345R
transponders. The functional differences between each of these transponders are
described in Table 1.
Function
GTX
335
GTX
335
w/GPS
GTX
335R
GTX
335R
w/GPS
GTX
345
GTX
345
w/GPS
GTX
345R
GTX
345R
w/GPS
Panel mount
x
x
x
x
Remote mount
x
x
x
x
Mode S
x
x
x
x
x
x
x
x
ADS-B (out)
x
x
x
x
x
x
x
x
ADS-B Traffic
x
x
x
x
FIS-B
x
x
x
x
Internal GPS
x
x
x
x
Bluetooth
x
x
x
x
Optional Garmin
Altitude Encoder
x
x
x
x
x
x
x
x
Table 1 – GTX 3X5 Unit Configurations
Interfaces to the GTX 3X5 are shown in Figure 3.
TAS/TCAS I
Traffic Sensor
ADS-B Traffic
FIS-B Display
Bluetooth
Device
GTX 3X5
GPS Antenna
External GPS
Source
Audio Panel
Bottom Antenna
GTX 3X5 with GPS only
OR
GTX 335R/345R
Control
Power/Ground
Altitude Source
Heading Source
Air Data Source
Secondary GPS
Radio Altitude
Source
Optional Interfaces Required Interfaces
WOW Switch
Bluetooth
GTX 345 / 345R only
External Traffic
Annunciator
For NO display Install
Flight
Stream
OR
Keep Alive Input
Figure 3 – GTX 3X5 Interface Summary