Post Installation Configuration & Checkout
190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 9
Page 6-7
[1] Output available only on GTX 335 with GPS and GTX 345 with GPS.
[2] Not supported by GDL 88 software v3.32 and earlier.
[3] Available in software v2.10 and later.
[4] Only available in software v2.11 and later.
[5] Only available in software v2.12 and later.
RS-232 - Channel 4 (GTX 345 Only)
Configures the input and output format for channel 4 of RS-232 interfaces. For data format information, refer to
appendix A.
Table 6-2 RS-232 Channel 4 Selections
Figure 6-6 RS-232 Interface Page
Output
ALT FMT 1
Transmits pressure altitude in 1 to 100 ft
resolution depending on the source of the
data.
All
Output
TIS-A OUT FMT
Transmits TIS-A traffic for non-certified
displays: GPSMAP 396/496/695/696,
G3X, G300.
GTX 335 only
Output
LGCY TRAFFIC
Supports GDL 90 traffic interface to
G1000.
GTX 345 only
Output
MAPMX
Supports Garmin AHRS units.
All
[1] [3]
Input
AVIATION FMT 2
Provides internal GPS data to the GTR.
All
[5]
Input/Output
Selection
Description
Input/Output
OFF
Information is not received or transmitted.
Input/Output
GNS
Supports GNS 400W/500W Series ADS-B In weather.
Traffic is supported over ARINC 429. Supplies GPS
information.
Input/Output
CONNEXT FMT 1
Supports G3X for ADS-B In weather and traffic.
Input
CONNEXT FMT 3
Supports input from Flight Stream 110/210.
Input/Output
TRAFFIC FMT 4
Supports Ryan TCAD.
Output
LGCY TRAFFIC
Supports GDL 90 enhanced traffic interface to G1000.
Input/Output
Selection
Description
Unit
Applicability
Notes