Press the green flag to stat up the clock. Press the red stop button to stop the clock. To silence / unsilence the ticking sound, just click the clock hand axis! There is a blue tab at the top right corner of the clock face. This tab is to control the clock's chimer. We have 5! chimes listed bellow. position | chime 0 | mute 1 | Westminister (Big Ben) 2 | St. Clements <- NEW! 3 | Ave Maria of Lourdes 4 | Winchester 5 | Whittington 6 | St. Michaels Drag it to go down a setting. Press space to get the big ben chimes Press x to mute the chimer. Press the down key to go down a setting. Press the up key to go up a setting. There is also a round green button just above the primary arms of the clock. Press it if you want to hear what your setted chime sounds like, without needing to wait for 15 minutes to an hour! Note: that you should probably not press it when the clock is minutes from chiming a quarter.