Uat Antenna Diversity; Uat Antenna Check Ground - FreeFlight ADS-B FDL-978 Series Installation Manual

ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
Rotate the CODE knob either clockwise or counterclockwise to display either "Yes" or "No" and
select the correct option. Once selected, press the ENT button to confirm selection and move to
the next configuration item in the setup mode.
3.6.2.24

UAT Antenna Diversity

The default value is set at "Bottom Only."
* Top only installations are not allowed at this time.
The FDL-978-XVR provides the flexibility for installing either one or two approved UAT antennas.
A single antenna can either be installed on the top of the aircraft fuselage or on the bottom of the
aircraft. When two antennas are installed they are installed on the top and bottom of the aircraft.
The default value is set at "Bottom Only." The following options can be selected:
 Top Only*
Bottom Only

Dual

Rotate the CODE knob either clockwise or counterclockwise to display the correct antenna
diversity option. Once selected, press the ENT button to confirm selection and move to the next
configuration item in the setup mode.
It is recommended to install dual antennas for maximum coverage.
3.6.2.25

UAT Antenna Check Ground

Confirm if the UAT antenna(s) used have a ground connection that allows the FDL-978-XVR to
check if the antenna is installed by selecting the YES or No options. Rotate the CODE knob
either clockwise or counterclockwise to display either Yes or No and select the correct option.
The display is as shown below:
Once selected, press the ENT button to confirm selection and complete the configuration setup.
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