42
Reference
The eTrex Summit will calibrate the altimeter auto-
matically using GPS altitude. If you know the exact cur-
rent elevation or barometric pressure, you can calibrate
the altimeter manually.
Calibrating the Altimeter manually:
1. With the MENU Page displayed highlight ‘CALIBRATE’
and press
ENTER
.
2. Using the
UP
or
DOWN
Button highlight ‘ALTIM-
ETER’ and press
ENTER
.
3. You will be asked ‘DO YOU KNOW THE CORRECT
ELEVATION’? Using the
UP
or
DOWN
Button select
‘YES’ or ‘NO’ and press
ENTER
.
4.
If you selected ‘YES’
— the ENTER CORRECT ELE-
VATION Page will be displayed. Pressing the
DOWN
Button will move the highlight to the next number in
the elevation fi eld. With the desired digit selected,
press
ENTER
to activate the drop down number list.
Using the
UP
or
DOWN
Button select the correct
number then press
ENTER
. When all numbers are
entered correctly, highlight ‘OK’ and press
ENTER
.
A message ‘CALIBRATION COMPLETED SUCCESS-
FULLY’ will be displayed, highlight ‘OK’ and press
ENTER
to end the calibration.
5.
If you selected ‘NO’
—you will be asked ‘DO
YOU KNOW THE CORRECT BAROMETRIC PRES-
SURE’. Using the
UP
or
DOWN
Button, select ‘YES’
or ‘NO’ and press
ENTER
.
6.
If you selected ‘YES’
— the ENTER CORRECT
PRESSURE Page will be displayed. Pressing the
DOWN
Button will move the highlight to the next
number in the pressure fi eld. With the desired digit
selected, press
ENTER
to activate the drop down
number list. Using the
UP
or
DOWN
Button select
the correct number then press
ENTER
. When all
numbers are entered correctly, highlight ‘OK’ and
press
ENTER
. A message ‘CALIBRATION COM-
PLETED SUCCESSFULLY’ will be displayed, highlight
‘OK’ and press
ENTER
to end the calibration.
The eTrex Summit can auto-
matically calibrate the altim-
eter using GPS altitude. For
optimum performance of the
Altimeter, you should perform
the calibration procedure
entering either the correct
elevation or barometric pres-
sure.
Calibration
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