Appendix
FlightDEK-D180 Installation Guide
9-23
NAV and/or GPS Fail-over
While not required, it is possible to provide a NAV and/or GPS data fail-over capability in case
be
r EMS – only a
has failed.
isconnect or power off the HS34 and reconfigure the system without the
and/or GPS outputs to the EFIS and/or EMS inputs.
recognize the HS34.
arallel) NAV and/or GPS ouputs to the HS34. Ensure that
of a failure of the HS34. To accomplish this, the outputs of the NAV and/or GPS device can
connected in parallel to an EFIS or EMS
and
an HS34. While the HS34 is operating normally,
the NAV and/or GPS data connected to the HS34 is displayed. (Only) if the HS34 fails, the NAV
and/or GPS data connected to the EFIS and/or EMS is (temporarily) displayed. There is no
indication provided that the data being displayed is connected to the EFIS and/o
notification that the HS34
To configure and test NAV and/or GPS failover:
1.
Temporarily d
HS34.
2.
Connect and configure the NAV
Ensure that the NAV and/or GPS data is being properly displayed on the EFIS.
3.
Reconnect the HS34 and reconfigure the system to
4.
Connect and configure the (p
the NAV and/or GPS data is being properly displayed on the EFIS.
5.
To test the fail-over capability, temporarily disconnect the HS34 and observe the NAV
and/or GPS data on the EFIS; data should display properly after a pause of a few seconds
with the HS34 connected, and disconnected.
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