Garmin GPSMAP 496 Owner's Manual page 180

Appendix > Messages
Lost Satellite reception—the unit is unable to receive satellite
signals.
Marine Warning—a marine warning was issued by the National
Weather Service.
Memory Full—unit memory is full, no further data can be saved.
Memory (raM) Failed Unit needs repair—there is an internal
problem with your unit. Contact Garmin Product Support to have the
unit serviced.
near proximity point—you have reached the distance set for a
proximity waypoint.
nMEa Depth is Below transducer—no keel offset value has been
received from the external sonar device.
no Diff gpS Location—RTCM is selected but the unit is not
receiving DGPS data.
no roads near Destination—the destination for the road route you
tried to calculate is not near any roads. Select a different destination.
no roads near Starting point—the start location for the road
route you tried to calculate is not near any roads. Select a different
start location.
no DgpS position—no differential connection data is available, or
2
not enough data is available to calculate a DGPS position.
no tide Stations for that area—no tide stations within 100 miles
of the area.
no XM Signal—the GXM 30A antenna is not receiving an XM
signal.
none Found—no data matched the search criteria.
off Course—you are off course by the distance set in the Off
Course Alarm.
proximity Memory Full—no additional proximity waypoints can
be saved.
proximity radius overlaps—the radius of two proximity
waypoints overlap.
route already Exists—you have entered a route name that already
exists.
route Calculation Error—no route can be calculated.
route Memory Full—no additional routes can be saved.
route truncated—uploaded route from another device has more
than 300 waypoints.
route Waypoint Memory Full—no additional route waypoints can
GPSMAP 496 Owner's Manual