ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
12-12
FFS Copyright © 2016 All rights reserved.
12.12 Installation Setup and Configuration
12.12.1 FDL-978 Lite Series Configuration Item Summary
Table 36. Serial Port Configuration Settings
Configuration Item
Default
Setting
Altitude Encoder (Port 4) IN Function
UNUSED
Configuration: Baud
9600
Table 37. ADS-B Transmit Configuration Settings
Configuration Item
Default
Setting
ICAO Address (Mode S)
0
Call Sign/Flight ID
Receiver Configuration: UAT Receiver Installed
978
ES1090 Receiver Installed
no1090
Emitter (Aircraft) Category
UNKNOWN
Squat Mode
None
Groundspeed Threshold
0 knots
Aircraft Size: Length
0
Width
0
GPS Antenna Offset: Longitudinal
No Data
Lateral
No Data
VFR Squawk Code
(1)
1200
(1)
VFR Squawk Code is only set on the TC978.
12.12.2 FDL-978 Lite Series Interface Configuration Details
12.12.2.1
Control Data Interface
FAA AC 20-165A HIGHLY recommends that the ADS-B transmitter and
transponder share a single point of entry for Mode A (Squawk Code) and IDENT.
Dual entry installations are allowed but discouraged and must ensure that the
transponder and UAT transmit the same Mode A and IDENT without increased
pilot workload. Garmin Series transponders (GTX-330/327/32/33) must be
connected to the GTX-REMOTE Input port on the FDL-978 Lite Series to control
Mode A code and IDENT. Mode A/C transponders will automatically use the FDL-
978 Lite Series internal Mode A receiver to monitor the on-board transponder
transmissions to set Mode A code and IDENT. Mode A receive is not compatible
with Mode S transponders.