Garmin GPS 75 - Manual (Page 54)

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APPENDIX A
M E S S A G E S
The GPS 75 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 appendix provides a complete list
of messages and their meanings. Please pay careful attention to all
messages.
Alarm Clock - The alarm time for the alarm clock has been reached.
Anchor Drag Alarm - Your craft has drifted outside the anchor drag
radius set on the Alarm Page.
Approaching ____ - You are less than one minute from reaching the
indicated waypoint.
Arrival At ____ - Your craft has entered the arrival alarm circle for the
indicated destination waypoint.
Battery Low - The battery pack is low on power. AA batteries should
be replaced or the rechargeable battery pack should be recharged for
continued operation.
Can't Chng Activ WPT - An attempt has been made to modify the
position of the “active to” or “active from” waypoint. The GPS 75 will not
allow the modifications.
Degraded Accuracy - The accuracy of the GPS 75 position is degraded
beyond 500 meters due to satellite geometry or data quality. Additional
cross checking should be performed by the user to verify the integrity of
the GPS position.
Memory Battery Low - The battery that sustains user memory is low
and should be replaced by an authorized GARMIN service center as soon
as possible. Failure to do so may result in loss of stored data, including
all waypoints and routes.
No DGPS Position - Not enough DGPS data is available to compute a
corrected position.
No RTCM Input - A beacon receiver is improperly connected to the
input port on the back of the GPS 75, a connected beacon receiver is not
transmitting in an RTCM SC-104 version 2.0 format, or the baud rates
do not match between the GPS 75 and the beacon receiver.