Pic. 1.47. Digital Watch
The electronic watch has three control buttons.
HOUR button (hour) - to set the clock.
MIN button (minute) – to set the minutes.
RESET button (reset) – to reset the minutes to zero.
Clicking on a button «R» between 10:30 and 11:29 changes the clock to 11:00.
Clicking on a button «R» between 11:30 and 12:29 changes the clock to 12:00.