
Non-Volatile RAM Tests
The non-volatile RAM validation code does the
following checks every time the unit is powered up.
Any tests which detect a failure reset the failed
values. Generally, the non-volatile RAM test pages
are not displayed, since in most cases the tests pass.
User Database Memory Failure
User waypoint checksums exist for each User
waypoint. If the checksums do not match, the User
waypoint is deleted. If this occurs, any flight plan
which references this user waypoint is also deleted.
In addition, User comment checksums exist for
each user-defined waypoint comment. The
comment is deleted if the calculated checksum does
not match the saved checksum.
User DB Test Failed: Press ENT
If the User DB checksum test fails, both the COM
board and the GPS board continue to function.
Flight Plan Memory Failure
Flight plan checksums exist for all flight plan
information. If a particular flight plan checksum
does not match the calculated checksum, the flight
plan is deleted, or in the case of the Active Flight
Plan, the plan is reinitialized. The following
message is then displayed until you press ENT.
Flight Plan Memory Failed: ENT
If the flight plan memory checksum test fails, both
the COM board and the GPS board continue to
function.
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