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ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
FFS Copyright © 2016 All rights reserved.
3-33
3.5.2.13.2.4
“set nacv” Command
This command sets the Navigation Accuracy Category for velocity (NACv) for the GPS input.
Internal GPS should be set to 3 (auto). For external GPS units refer to the GPS manufacturer’s
data for setting NACv. This should be set for both receivers and transceivers.
For external position sources, contact the manufacturer to obtain the relevant data.
3.5.2.13.2.5
Set gps “set rx” Command
This command sets the receiver installed options to be transmitted by a Transceiver.
Transceivers should be set to 978 and no1090. It is not necessary to set this for a receiver only.