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GPSMAP 400/500 Series Owner’s Manual 49
Conguring the Chartplotter
Conguring Units of Measure
To change units of measure from the Home screen, select
Congure > Preferences > Units�
—a global setting that denes individual units of
measure at the same time: , ,
, or . Select to individually
dene units of measure for depth, temperature, distance, speed,
elevation, volume, and pressure.
: You must be receiving NMEA sonar depth data to view
depth and water temperature information.
—sets the reference used in calculating heading
information.
• —automatically sets the magnetic declination for
your location.
• —sets true north as the heading reference.
• —sets grid north as the heading reference (000º).
• —allows you to set the magnetic variation value.
—change the coordinate style in which a given
location reading appears. Do not change the position format unless
you are using a map or chart that species a different position
format.
—change the coordinate system in which the map is
structured. Do not change the map datum unless you are using a map
or chart that species a different map datum.
—set the time options.
• —select , , or time format.
• —set the time zone you want displayed for time
readings. If is selected for the Time Zone, the DST option
is not available and is automatically set to .
• (Daylight Saving Time)—select , , or . The
auto setting automatically turns daylight saving time on or off,
depending on the time of year.
• —specify the reference time (from 30 minutes
to 24 hours) used to calculate the barometric pressure trend.
The trend is displayed on the wind gauge when ground wind is
selected (page 36) or on the Cruising data bar (page 9).
Changing the System Language
To change the system language, from the Home screen, select
Congure > Preferences > Language� Select the language�