Select to wake the device.

Hold to turn the device on and off.

Select to scroll through the data screens, options, and settings.

From the home screen, hold to view the device menu.

Select to scroll through the data screens, options, and settings.

From the home screen, select to view the widgets.

Select to start and stop the timer.

Select to choose an option or to acknowledge a message.

Select to mark a new lap.

Select to return to the previous screen.