Warning Messages - FreeFlight FDL-978 User Manual

FDL-978 ADS-B Equipment
Pilot Guide/User Manual
FN Pressing the FN button a third time allows the user to adjust the brightness level
of the screen. Turning the CODE knob to the right will make the screen brighter.
Turning the CODE knob to the left will decrease the brightness. When the desired
brightness is reached, press the FN button to lock the brightness setting.
If there are any errors, the fourth press of the FN button allows user to view the
FDL-978 ADS-B equipment WARNINGS.
The next FN button press returns to the main Squawk Code view.
VFR Pressing the VFR button sets the ADS-B to the pre-programmed Squawk Code or
VFR Call Sign/Flight ID. Pressing the VFR button again restores the previous
Squawk Code or Call Sign/Flight ID. To toggle the Squawk Code the display must
be in the Squawk Code view. To toggle Call Sign/Flight ID the display must be in
the Call Sign/Flight ID view.
ENT The ENT button enters a digit in the code selector.

2.6 Warning Messages

If the FDL-978 ADS-B equipment detects a malfunction, the
the display to indicate that warning messages are present. The
the malfunction is present. Depending on the nature of the malfunction, the FDL-978 ADS-B
equipment may not transmit ADS-B messages.
2-6
MSG icon appears in the center of
MSG icon will remain as long as
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