FreeFlight ADS-B FDL-978 Series Installation Manual page 59

ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev F
Button Description
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.
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