Garmin eTrex 20x Owner's Manual | Page 34
34
eTrex Owner’s Manual
Customizing Your Device
• Map Datum—sets the coordinate
system on which the map is
structured.
• Map Spheroid—shows the
coordinate system the device is
using. The default coordinate
system is WGS 84.
Heading Settings
This function is available on the
eTrex 30x.
Select Setup > Heading.
• Display—sets the type of
directional heading on the compass.
• North Reference—sets the north
reference of the compass.
• Go To Line (Pointer)—allows you
to select how the course appears.
◦ Bearing (Small or Large)—
sets the direction to your
destination.
◦ Course (CDI)—the course
deviation indicator displays
your relationship to a course
line leading to a destination.
• Compass—switches from an
electronic compass to a GPS
compass when you are traveling
at a higher rate of speed for a set
period of time (Auto), or turns the
compass off.
• Calibrate Compass—page 17.
Altimeter Settings
This function is available on the
eTrex 30x.
Select Setup > Altimeter.
• Auto Calibration—allows the
altimeter to self-calibrate each time
you turn the device on.
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