[. . . ] [. . . ] Press A to change to time/calendar setting mode; seconds will begin flashing. Alarm will sound at preset time for 20 seconds; press C or D to silence alarm. In alarm mode, press D to enter setting mode; hour will begin flashing. Press D to save data and exit setting mode; press A to save data, exit setting mode, and return to normal time display. [. . . ] [. . . ]