Owner's Manual
42 GPSMAP 400/500 Series Owner’s Manual
Conguring the Chartplotter
You must be receiving NMEA sonar depth data or using
a Garmin sounder module 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.
Changing the System Language
To change the system language, from the Home screen, select
> > and then select the language.
Conguring Navigation Preferences
To change navigation preferences, from the Home screen, select
> > .
—for saved routes, this determines whether route
turns are indicated by number (Turn 1, Turn 2, and so on) or by
waypoint name, or whether the description of turns is hidden.
—set how much time or how far before a turn in a
route that you transition to the next leg.