Gps Reference Position Offset - FreeFlight ADS-B FDL-DB Dual Band Series Installation Information

5.3.2.20

GPS Reference Position Offset

There are three modes by which the GPS (GNSS antenna) reference offset can be set:
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Unknown
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Auto set by GPS
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Manual set here
The display screen is as shown below with one of the options from the list above.
Rotate the CODE knob either clockwise or counterclockwise to display the options above and
select the correct GPS reference offset. Once selected, press the ENT button to confirm your
selection. If "Unknown" or "Auto Set by GPS" is selected the next configuration item in the setup
mode will be displayed. If "Manual Set here" is selected, then options for manually entering the
GPS antenna reference offset are displayed as below.
It is recommended to use the "Manual Set Here" option to set the GPS (GNSS
antenna) reference position for all installations.
GPS Reference Position is measured from the GPS antenna location to the lateral distance
from centerline and longitudinal distance from the most forward part of the aircraft. The antenna
distance from the nose can be entered anywhere between 2 meters to 60 meters by rotating the
CODE knob either clockwise or counterclockwise to display the correct distance. Once
selected, press the ENT button to confirm selection and move to the lateral offset configuration
item in the setup mode.
The antenna lateral offset has the following options that can be selected:
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•
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FFS Copyright © 2020 All rights reserved.
Unknown
Left 2-4 meters
Central
ADS-B FDL-DB Dual Band Series
Document No. 88552 Rev A
•
Left 0-2 meters
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Left 4+ meters
•
Right 0-2 meters
Installation Manual
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