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Appendix D
Messages
Battery Voltage High Please Check Connection— Input DC voltage is
too high for unit.
Battery Voltage Low Please Check Connection— Input DC voltage is
too low for unit.
Boat is Not Moving Fast Enough to Calibrate— Speed wheel is not
turning. Check for debris or boat speed is too slow.
Database Error— Internal problem with the unit. Contact your dealer or
Garmin Product Support (pg. iv) to have the unit serviced.
Deep Water Alarm— Specified deep water alarm depth has been detected
below transducer.
Lost Satellite Reception— The unit has lost satellite signals. Check
antenna connections or try moving to a location with a clear view of the sky.
Memory (RAM) Failed Unit Needs Repair— Internal problem with the
unit. Contact your dealer or Garmin Product Support (pg. iv) to have the
unit serviced.
Memory (ROM) Failed Unit Needs Repair— Internal problem with the
unit. Contact your dealer or Garmin Product Support (pg. iv) to have the
unit serviced.
No DGPS Position— No differential correction data is available or not
enough data is available to compute a DGPS position.
No Tide Stations For That Area— There are no tide stations within 100
miles of the specified point. Try another area.
Off Course Alarm— You have exceeded the specified off-course distance.
Processor Failed Unit Needs Repair— Internal problem with the unit.
Contact your dealer or Garmin Product Support (pg. iv) to have the unit
serviced.
The GPSMAP 178/178C uses an on-screen pop-up message system
to alert you to unit operating characteristics. Press the ENTER key to
acknowledge and return to the page you were viewing.
Alarm Clock— The alarm clock has sounded.
Alarm Voltage Set Too High— Voltage range must be between 10.0 and
35.0 volts for the GPSMAP 178/178C.
Alarm Voltage Set Too Low — Voltage range must be between 10.0 and
35.0 volts for the GPSMAP 178/178C.
Anchor Drag Alarm— You have drifted out of the specified distance
range.
Antenna Input Shorted To Ground— Check antenna wiring/connections
or antenna replacement.
Approaching Waypoint— You are a specified alarm distance from a
destination waypoint.
Arrival At Waypoint— You have arrived at the destination waypoint.
Basemap Failed Unit Needs Repair— Internal problem with the unit.
Contact your dealer or Garmin Product Support (pg. iv) to have the unit
serviced.
Battery Alarm— Specified amount of input voltage has been detected.