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76 GPSMAP 76CSx Owner’s Manual
MAIN MENU > SETUP MENU
Altimeter Setup
The Altimeter Setup Page allows you to setup the
Altimeter to self-calibrate each time you turn on
the unit, to function as a barometer, or to manually
calibrate when you have accurate elevation or
pressure data.
To set up the Altimeter:
1. On the Setup Menu Page, highlight the
Altimeter icon, and press ENTER.
2. Highlight the Auto Calibration field, and press
ENTER to select from On or Off. When On,
elevation is corrected by GPS.
3. Highlight the Barometer Mode field, and press
ENTER to select Variable Elevation (used
when moving) or Fixed Elevation (used when
stationary, allowing the Altimeter to function
as a standard barometer). Trip data is not
recorded when in Fixed Elevation mode.
To manually calibrate the Altimeter:
1. Highlight the Calibrate Altimeter button, and
press ENTER. You can calibrate the Altimeter
using one of three methods:
Enter the correct elevation: this requires a
reliable source for determining the elevation
for your current location.
Enter the correct pressure: this requires a
reliable source to determine the accurate
barometric pressure at your current location.
Allow the GPS Receiver to determine the
elevation: the GPS receiver estimates the
current elevation when determining its location.
The accuracy varys depending on the position
of satellites overhead. It is not as accurate as
an elevation entered from a known source, but
is sufficient for most navigation applications.
2. When finished, a Completed or Failed
message will display.