GPSMAP 5000 Series Owner’s Manual 35
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Pressure—individually sets the units of measure for gauge (kPa or psi) and atmospheric
(Millibars or Inches of Mercury) pressure readings.
Heading—sets the reference used in calculating heading information.
Auto Mag Var (Automatic Magnetic Variation)—automatically sets the magnetic declination
for your location.
True—sets true north as the heading reference.
Grid—sets grid north as the heading reference (000º).
User Mag Var—allows you to set the magnetic variation value.
Position Format—sets the coordinate system in which a given location reading appears. Only
change the position format if you are using a map or chart that species a different position format.
Map Datum
—sets the map datum. The default setting is WGS 84. Changing the map datum changes
the coordinate system in which the map is structured. Only change the setting if you are using a map
or chart that species a different map datum.
Time Format—sets the time format (12 hour, 24 hour, or UTC) you want for time readings.
Time Zone—sets the time zone in which you are located.
Daylight Saving Time—indicates whether you want daylight saving time Off, On, or Auto. The
auto setting changes turns daylight saving time on or off, depending on the time of year.
Conguring Communications Settings
To change the communications settings from the Home screen, touch Congure >
Communications.
Port Types—touch each port’s input/output format (NMEA Std. or NMEA High Speed) to use
when connecting your unit to external NMEA or other Garmin devices.
NMEA Std.—supports the input or output of standard NMEA 0183 data, DSC, and sonar
NMEA input support for the DPT, MTW, and VHW sentences.
NMEA High Speed—supports the input or output of high speed 0183 data for most AIS
receivers.
NMEA 0183 Setup—enable or disable NMEA 0183 output sentences for sounder, route, system,
and Garmin NMEA settings.
To enable or disable NMEA 0183 output sentences:
1. From the Home screen, touch Congure > Communications > NMEA 0183 Setup.
2. Touch a setting (Sounder, Route, System, or Garmin).
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