7-2
7
Abnormal Conditions
CHAPTER
Condition Display
Switching relay failure Redline through nav source such as NAV1 or
GPS1. Indicates failure of the external
switching relay associated with the source and
that the deviation bar on the CDI is invalid.
Fast slave mode Compass heading is redlined. Heading
has not stabilized.
LNAV serial data loss Indicates loss of data communication
from the GPS or loran long-range nav receiver.
Invalid GPS data Indicates invalid data is being received
from the Airinc 429 GPS receiver. This is
accompanied by the normal 'X' through the CDI
at the bottom of the screen.
Map flag Indicates that map cannot be displayed
because of loss of LNAV data or a flagged
LNAV.
Stormscope Flag Indicates loss of data communication
from the BFG WX-500 Stormscope.
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