Garmin 300XL Pilot's Manual And Reference page 131

Remote ENT key stuck - The remote ENT key is stuck in the 'pressed'
state. Check the installation.
Remote XFR key stuck - The remote XFR key is stuck in the 'pressed'
state. Check the installation.
ROM failed - The GNC 300XL has detected a failure in its
permanent memory. If this message occurs, the
unit is unusable and should be taken to an
authorized GARMIN service center.
Route is empty - An attempt has been made to activate an empty
route.
Route is full - An attempt has been made to add more than 31
waypoints to a route. The GNC 300XL will not
allow more than 31 waypoints per route.
Route truncated - The route was truncated because not enough
room existed to insert a SID, STAR or approach.
Route wpt deleted - One or more route waypoints were deleted
while receiving data from the optional PC
Interface Kit.
Route wpt locked - At least one route waypoint is locked because
the waypoint has been removed from the
Jeppesen NavData®, the data card is missing,
or the data card has failed.
Route wpt moved - One or more route waypoints were moved at
least 0.33 arc minutes due to a database
change.
RTCM input fail - The DGPS data signal was being received but
has now been lost. Check wiring.
Searching the sky - The GNC 300XL is in the search-the-sky mode.
Allow the unit to complete data collection
before turning it off.
Select auto seq mode - The GPS SEQ switch should be set to the 'Auto'
position to continue navigation.
Set course to ____º - The CDI/HSI should be set to the specified
course.
SID deleted - The SID was deleted from the route because of
insufficient space in the route.
STAR deleted - The STAR was deleted from the route because
of insufficient space in the route.
Start altitude chng - The altitude change entered on the VNAV
Planning page is about to begin.
Steep turn ahead - This message appears approximately 90 seconds
prior to a turn that requires a bank angle in
excess of 25 degrees in order to stay on course.
Turn anticipation will not be provided for the
turn.
Stored data lost - Stored user data, including waypoints, routes
and satellite orbital data have been lost due to a
low memory battery or inadvertent master reset.
Stuck mic/tx disabled - The microphone/headsets have been transmitting
continuously for 35 seconds, and the transmitter
has been disabled. Releasing the transmit key
will allow you to transmit again. If this message
persists, check the installation.
APPENDIX
MESSAGES &
D
ABBREVIATIONS
121