Select to turn the device on.

Select to turn the backlight on and off.

Hold to view the controls menu.

Select to start and stop the activity timer.

Select to choose an option or to acknowledge a message.

Select to return to the previous screen.

Select to record a lap during an activity.

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

Hold to open the music controls (Music Playback Controls).

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

Hold to view the menu.