Message Function

CLOSE Altitude

This condition occurs when the airspace boundary is within 500 feet, or a user-selected limit in the System function.

Within 500’ of

NORTON AFB

Class C

INSIDE

This condition occurs when the plane penetrates the airspace.

Inside of

SAN DIEGO

Class B

Empty TO Waypoint: Cannot Compute Nav

Anytime the current To waypoint is empty, this message is generated. It becomes an old message after viewing.

Empty To Wpt:

Cannot Compute

Nav Info

GPS Self Test Failure

If the GPS self-test fails, a message displays indicating the cause of the failure in four hexadecimal digits. It becomes an old message after viewing.

GPS Self Test

Failure: 1FFF

Service Needed

8-4