IFD400 Series Pilot Guide
General 6-25
Course error limit exceeded
Enroute VNAV is no longer available because the difference
between aircraft course and desired track exceeds 45°
Enroute VNAV is no longer available because the IFD is not
receiving baro corrected altitude.
Unable to meet altitude constraint
Enroute VNAV is no longer available the descent angle
required to meet the next altitude constraint exceeds 6°
A user waypoint has been received
A user waypoint has been received from an external source
(e.g. WiFi). This message is displayed for 5 seconds and
then removed.
A user waypoint has been received from an external source
(e.g. WiFi) but the waypoint was rejected as invalid.
Possible causes include a referenced fix that is not found in
the IFD database or doesn't match database coordinates.
No 429 from input: <ports>
ARINC-429 data is not being received on the listed ports.
<ports> will contain one or more of “#1”, “#2”, and “VHF”.
Contact the Avidyne Service Center for service.