The Clock button should be the same one as the Fm/Am button, then your preset # 2 and 3 have a H and M. Hold the Clock button till clock starts blinking, then just press #2 until you reach the hour you want. Last press clock again to make clock stop blinking. All done
*Turn off radio by pressing the volume button in.
*Hold clock button until it blinks
*Press +/- button (its the radio preset buttons 1 or 2)
*Stop when you reach destinated time
*Press clock again to finish the fight