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Altitude input fail - The altitude serializer input is not available for
the GPS 155XL. Check the I/O settings and/or
the serializer installation. If enough satellites are
available for a 3D position fix, no pilot action is
required, providing no RAIM warnings are pre-
sent. If only a 2D fix is possible, the pilot
should enter an altitude within 1,000 feet of
the current indicated altitude.
Appr switch stuck - The GPS APR switch is stuck in the ‘pressed’
position. Check the switch/installation.
Approach deleted - The selected approach was deleted from the
route because not enough room existed to
insert a SID or STAR.
Approach not active -
The approach could not transition to the active
phase because the GPS SEQ switch is set to the
HOLD position, the automatic CDI scale is not
selected, or RAIM is not predicted to be available
from FAF to MAP. Do not descend to the FAF.
Arm approach mode - Approach navigation is available. Set the GPS
APR switch to the ARM position.
Arrival at _____ - Your craft has entered the arrival alarm circle for the
indicated waypoint.
Arrvl at offst _____ - Your craft has entered the arrival alarm circle
for the indicated waypoint offset by the parallel
track distance.
Auto CDI slctd - The GPS 155XL has reset the CDI scale prefer-
ence to the AUTO setting to permit approach
navigation.
Battery low - The optional remote battery pack is low on
power and limited operating time remains. The
battery should be recharged for continued use.
Battery rqrs service - A problem has been detected in the optional
remote battery pack. The battery should be ser-
viced at an authorized GARMIN service center.
Cannot chng actv wpt - An attempt has been made to modify the position of
the ‘active to’ or ‘active from’ waypoint. The GPS
155XL will not allow the modifications.
Cannot chng wpt sqnc- An attempt has been made to modify an
approach, SID or STAR. The waypoint sequence
of approaches, SIDs and STARs may not be
modified.
Cannot nav lockd rte - An attempt has been made to activate a route
containing a locked waypoint. The GPS 155XL
cannot perform navigation in this situation.
113
APPENDIX
D
MESSAGES &
ABBREVIATIONS
Appendix D
GPS 155XL Messages and Abbreviations
The GPS 155XL uses the Message Page to communicate important information to you. Some
messages are advisory in nature, others are warnings that may require your intervention. This appen-
dix provides a complete list of GPS 155XL messages and their meanings.
155xlb manual 1/12/99 4:06 PM Page 113