IFD400 Series Pilot Guide
1-14 System Overview
NOTE
Some Data May Be Delayed At Startup
Some data such as fuel flow and fuel totalizer may
experience a 5-10 second delay during post start
initialization. For those aircraft configured with fuel
totalizers, this may result in some fuel display
changes on the Fuel Mgmt page during that period
including prompting the pilot to enter in initial fuel.
That should resolve itself within a few seconds.
Another example concerns the FMS navigation
database initialization, where the message “Loading
nav database...” may be displayed on any of the
FMS tabs for 10-30 seconds.
TIPS AND TECHNIQUES
“GPS No Position” Message Possible at Startup
If the GPS takes an unusually long time (e.g. more
than 2 minutes) to acquire an initial position fix, the
“GPS No Position” advisory message will be
displayed. This message will automatically clear
itself when a position fix is acquired. If the message
does not remove itself by the time you are ready to
taxi, it is a clear indication that your system has not
determined its initial position and action may be
required on your part.
TIPS AND TECHNIQUES
Bluetooth/Networking Initialization Period
The networking interface may experience a delay
during post-start initialization before becoming
functional. The icons in the upper right corner of the
display will turn green when the interfaces are ready
for use.
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