Press and hold SEL (Select) for more than 2 seconds. "Demo", "Clock H", "Clock M", "Dimmer", or "Amp Gain" appear on display. Set the hour. Select "CLOCK H" (hour) using the CD Track Forward\Reverse buttons on the bottom right side. Adjust the hour by turning the knob on the left side. Set the minute. Select "CLOCK M" (minute) using the CD Track Forward\Reverse buttons again. Adjust the minute by turning the knob. Finish the setting by pressing the SEL (Select) button. To check the current clock time or change the display mode, press DISP (Display) repeatedly. During power off: The power turns on and the clock time is shown for 5 seconds, then the power turns off. To view the complete operating instructions go to the link and type in your model number. http://books.jvcservice.com/