Garmin eTrex Summit Owner's Manual And Reference Manual page 56

Reference
System Page
Press and hold the PAGE key
to activate the compass and
display the Pointer Page
Auto Calibrate
54
To Select an operating mode:
1. With the MENU Page displayed, highlight 'SETUP' and
press ENTER. The SETUP Page appears.
2. Using the UP or DOWN Button highlight 'SYSTEM'
and press ENTER. The SYSTEM Page appears.
3. Using the UP or DOWN Button highlight the 'GPS'
fi eld and press ENTER. The Option List will appear.
4. Using the UP or DOWN Button highlight the desired
mode and press ENTER.
Compass
The eTrex Summit will allow you to turn the Elec-
tronic Compass on and off. Turning the compass off when
not needed will help conserve battery power.
Turning the compass On/Off:
1. With the MENU Page displayed highlight 'SETUP' and
press ENTER. The SETUP Page appears.
2. Using the UP or DOWN Button, highlight 'SYSTEM'
and press ENTER. The SYSTEM Page appears.
3. Using the UP or DOWN Button, highlight the 'COM-
PASS' fi eld and press ENTER.
4. Using the UP or DOWN Button, highlight the desired
mode and press ENTER.
Altimeter
The Altimeter can use GPS altitude to perform an
automatic calibration. While this is not as accurate as
the calibration procedure described on page 42, it can be
useful in the event that you do not know your current
elevation or the barometric pressure.
Turning 'AUTO CAL' On/Off:
1. With the MENU Page displayed highlight 'SETUP' and
press ENTER. The SETUP Page appears.
2. Using the UP or DOWN Button, highlight 'SYSTEM'
and press ENTER. The SYSTEM Page appears.
3. Using the UP or DOWN Button, highlight the 'ALTIM-
ETER' fi eld and press ENTER.
4. Using the UP or DOWN Button highlight the desired
mode and press ENTER.