Garmin gpsmap 451s User Manual

Page of 72
GPSMAP 400/500 Series Owner’s Manual
Appendix
arriving at [waypoint Name]—you arrived at the destination 
waypoint. You can Stop Navigation when this message appears.
battery alarm—battery voltage has fallen below the value entered 
in the Battery Alarm setup.
battery Voltage is Too High—too much input voltage—the unit 
shuts off in 10 seconds. Decrease the input voltage to 35 Vdc or less.
boat is Not Moving fast Enough to Calibrate—the boat is not 
moving fast enough for the speed wheel to provide a valid speed.
Can’t Read User Card—error reading card; remove and reinsert. 
Contact your dealer or Garmin Product Support if the problem 
persists. 
Can’t Read Voltages That High, Limited To Top Of Range—the 
voltage value in the Battery Alarm setup is higher than the unit can 
read.
Can’t Read Voltages That Low, Limited To bottom Of  
Range—voltage value in the Battery Alarm setup is lower than the 
voltage where the unit automatically turns off.
Can’t Unlock Maps—data on the data card is not unlocked for the 
unit. Contact your dealer or Garmin Product Support.
Can’t write User Card, Card May be full—error reading card; 
remove and reinsert. Contact your dealer or Garmin Product Support 
if the problem persists.
Can’t write User Card, Card is Read-Only—the SD card in your 
unit contains data copy protection.
Card Needed—Your unit needs to have an SD card inserted into the 
SD card slot in order to perform the function you requested.
dSC Position Report Received from—shows the MMSI or name 
associated with an MMSI.
database Error—internal problem with the unit. Contact your 
dealer or Garmin Product Support to have the unit serviced.
deep water alarm—the Deep Water Alarm depth has been 
reached.
directory item with This MMSi already Exists—the MMSI 
number is already in the DSC directory. Use a different number.
directory Memory is full, Can’t Create Entry—the DSC 
directory has reached the maximum of 100 contacts. Delete 
unneeded contacts to add new ones.
distress Call—a DSC distress call has been received. Take 
appropriate action.