Garmin 4000 Series GPS Receiver User Manual


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36 GPSMAP 4000 Series Owner’s Manual
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Distance—individually set the units of measure for distance readings (Miles, Kilometers, or
Nautical Miles).
Speed—individually set the units of measure for speed readings (Miles Per Hour,
Kilometers Per Hour, or Knots).
Elevation—individually set the units of measure for elevation readings (Feet or Meters).
Volume—individually set the units of measure for volume readings (Liters, US Gallons, or
UK Gallons).
Heading—set 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—change the coordinate style in which a given location reading appears. Only
change the position format if you are using a map or chart that species a different position format.
Map Datum—change the coordinate system in which the map is structured. Only change the Map
Datum if you are using a map or chart that species a different Map Datum.
Time Format—choose a 12 hour or 24 hour time format.
Time Zone—set the time zone you want displayed for time readings.
Daylight Saving Time—indicate 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.
Conguring Communications Settings
To change the communications settings, from the Home screen, select
Congure> Communications.
Port Types—select each port’s input/output format (NMEA Std. or NMEA High Speed) to use
when connecting your unit to external NMEA devices, a personal computer, 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 standard 0183 data for most AIS
receivers.
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