Garmin GPSMAP 4208 - Marine GPS Receiver, Owner'S Manual

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2 GPSMAP 4000 Series Owner’s Manual
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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 ).
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. Do not
change the position format unless you are using a map or chart that specifies a different position
format.
Map Datum
—sets coordinate system in which the map is structured. The default setting is WGS 84.
Do not change the map datum unless you are using a map or chart that specifies a different position
format.
Time Format —sets the time format (12 hour, 24 hour, or UTC) for time readings.
Time Zone —sets the time zone displayed for time readings.
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.
Configuring Communications Settings
To change the communications settings, from the Home screen, select
Configure > 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 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 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, select Configure > Communications > NMEA 0183 Setup .
2. Select a setting ( Sounder , Route , System , or Garmin ).
3. Select the NMEA 0183 output sentence to turn it on or off.
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