Select to open the apps list. Select Altimeter. Press MENU to open the options menu.

Reset

Resets the altimeter data, including waypoint and trip data (Resetting Data and Settings).

Altimeter Setup > Altimeter

Disables the altimeter, so the device only uses GPS data for elevation measurements.

Altimeter Setup > Auto Calibration

Automatically calibrates the altimeter when you start an activity.

Altimeter Setup > Plot Type

Records elevation changes over a period of time or distance.

Altimeter Setup > Calibrate Altimeter

Manually calibrates the altimeter (Calibrating the Altimeter).

Adjust Zoom Ranges

Adjusts the zoom ranges shown on the altimeter page.

Restore Defaults

Restores the altimeter to factory default settings.