Close 99, Inside 99, Empty to waypoint: cannot compute nav 99 – Garmin SL60 User Manual
Page 109: Gps communications failure 99, Gps command failure 99, Empty to waypoint 99, Close, Inside, Empty to waypoint: cannot compute nav, Gps communications failure
Close
This condition occurs when the airspace is less than
2 nm (or user-selected limit in System Mode, see
page 66).
Within 2 nm
SUNDANCE
Inside
This condition occurs when the plane penetrates the
airspace.
Inside
NORTON AFB
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 Waypoint: Cannot Compute Nav
GPS Communications Failure
When the GPS sensor stops communicating (after it
has established communications), this message is
generated. It becomes an old message after viewing.
GPS Communications Failure
GPS Command Failure
When data is being received from the GPS sensor
but responses to commands sent to the GPS sensor
are not being received, this message is generated.
This problem indicates that the GPS is not receiving
transmissions and cannot be used for IFR flight. It
becomes an old message after viewing and remains
an old message even if the condition does not
persist.
Tx to GPS Failed:
Not for IFR
99
Message Function