FreeFlight ADS-B FDL-978 Series, User Manual, Page: 11 / 26

FDL-978 ADS-B Equipment
Pilot Guide/User Manual
FFS Copyright © 2015 All rights reserved. 2-1
2 TC978 Controller
The FDL-978 ADS-B equipment may interface to a TC978 Controller (P/N 87349) used in-flight
by the pilot to control output of ADS-B messages. The TC978 Controller receives its power from
and communicates with the FDL-978 ADS-B equipment. The TC978 Controller consists of the
following components:
•
Monochrome Liquid Crystal Display (LCD)
•
VFR
(Visual Flight Rules) button
•
FN
button (Function)
• CODE
knob
•
ENT
button (Enter)
•
Mode Selection knob
•
IDT
button (Ident)
Figure 1. TC978 Components
2.1 Display
The wave symbol under the aircraft image traveling upward indicates that
the FDL-978 equipment is receiving ASD-B messages.
The wave symbol under the aircraft image traveling downward indicates
that the FDL-978 equipment is transmitting ASD-B messages.
The wave symbol under the aircraft image traveling upward and downward
indicates the FDL-978 equipment is transmitting and receiving ADS-B
messages. The FDL-978 ADS-B Transceiver equipment receives ADS-B
transmissions regardless of the transmission mode.