Garmin GPSmap 585 Plus, Owner'S Manual

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GPSMAP
®
585 Plus 53
Unit Settings
Select Settings > Units .
System Units : Sets the unit format for the device.
Variance : Sets the magnetic declination, the angle between magnetic north
and true north, for your present location.
North Reference : Sets the direction references used in calculating heading
information. True sets geographic north as the north reference. Grid sets
grid north as the north reference (000º). Magnetic sets the magnetic north
as the north reference.
Position Format : Sets the position format in which a given location reading
appears. Do not change this setting unless you are using a map or chart
that specifies a different position format.
Map Datum : Sets the coordinate system on which the map is structured. Do
not change this setting unless you are using a map or chart that specifies a
different map datum.
Time Format : Sets a 12-hour, 24-hour, or UTC time format.
Time Zone : Sets the time zone.
Daylight Savings Time : Turns daylight savings time off or on.
Communications Settings
NOTE: Some settings and options require additional charts or hardware.
Select Settings > Communications .
Serial Port : Sets the input/output format for the serial port to use when
connecting the chartplotter to external NMEA devices, computers, or other
Garmin devices.
NMEA 0183 Setup : Sets the NMEA 0183 sentences the chartplotter
transmits, how many digits to the right of the decimal point are transmitted
in a NMEA output, and how waypoints are identified (page 43).
NMEA 0183 Settings
Select Settings > Communications > NMEA 0183 Setup .
Sounder : Enables NMEA 0183 output sentences for the sounder (if
applicable).
Route : Enables NMEA 0183 output sentences for routes.
System : Enables NMEA 0183 output sentences for system information.
Garmin : Enables NMEA 0183 output sentences for Garmin proprietary
sentences.
Posn Precision : Adjusts the number of digits to the right of the decimal point
for transmission of NMEA output.
XTE Precision : Adjusts the number of digits to the right of the decimal point
for crosstalk error output.