Tap 3 oclock to switch from Chrono, 12 hour and 24 hour time. Tap logo to go through 5 color choices. Tap Start and R to operate stopwatch. Tap temp to update current temperature. Tap center of hands to make them temporarily disappear. Tap 9 oclock to cycle through 4 levels of additional dark filters. Good for when display is too bright in a dark setting. 4th Tap is complete darkness Theater Mode. -Tap 6 oclock for ambient options. Shows date, month, watch and phone battery level.