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ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
FFS Copyright © 2016 All rights reserved.
9-5
9.1.5 Mode A/C Transponder, TC978 Controller
Figure 25. Mode A/C Transponder, TC978 Controller
Table 29. Mode A/C Transponder, TC978
ICAO Address.............. FF00
VFR Call Sign............. FXVRGA
GPS Config................ Level C
NACv Mode................. Auto (from GPS)
Receiver Capability....... no1090, 978
Emit Category............. LIGHT AIRCRAFT
Squat Mode................ none
Groundspeed Threshold..... 0 knots
Vehicle Size.............. Length=0 meters, Width=0 meters
UAT Ant................... dual, No DC Gnd Chk
GPS Ant Offset............ Long=No Data, Lateral=No Data
Mode A Rx................. enable
Disable Squawk Tx......... off
Max Targets............... max
Chelton CSA Enable........ disable
Traffic Vel Validation.... enable
Display Data Output....... traffic&fisb
Serial In 1.............. Internal-GPS, 19200
Serial In 2.............. UNUSED, 9600
Serial Out 2.............. UNUSED, 9600
Serial In 3.............. TMAP, 38400
Serial Out 3.............. TMAP, 38400
Serial In 4.............. Alt-Encoder, 9600
Serial In 5.............. UNUSED, 115200
Serial Out 5.............. Traffic-Alert, 115200
Serial In 6.............. UNUSED, 9600 (RS-422)
Serial Out 6.............. UNUSED, 9600 (RS-422)
ARINC In 1................ UNUSED, low
ARINC In 2................ UNUSED, low
ARINC Out 1............... UNUSED, low
When a separate transponder is present, the TC978 will not accept inputs and will instead mirror the
control inputs coming from the transponder or the display. If control input is lost from another device
for 60 seconds, then the TC978 will take over the role as the primary controller.