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 Settings > Altimeter

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

Altimeter Settings > Auto Calibration

Automatically calibrates the altimeter when you start an activity.

Altimeter Settings > Grade Shading

Applies different colors to the altimeter chart based on the grade during a course or activity.

Altimeter Settings > Plot Type

Records elevation changes over a period of time or distance.

Altimeter Settings > Calibrate Altimeter

Manually calibrates the altimeter (Calibrating the Altimeter).

Adjust Zoom Ranges

Adjusts the zoom ranges shown on the altimeter page.

Lock Data Fields

Locks the data fields. You can unlock the data fields to customize them.

Restore Defaults

Restores the altimeter to factory default settings.