Double tap near 12 oclock to unlock watch. Single tap to relock.

Tap time display to choose 12hr time, 24hr time and 3 time zones.

Tap 3 oclock to change weather, fitness and chrono modes. Tap BPM for heart rate sensor. Tap START AND RESET to operate chrono.

Tap AMB for dim settings. Tap U and U- for Ucolor. Tap FILT to cycle through 4 level dark filter.

Shows watch and phone battery level.