Press the H or the M button to enter clock mode. Press and hold H until the correct hour appears on the display. Press and hold M until the correct minute appears on the display.

To change the time default setting from 12 hour to 24 hour, press either the H or the M button for two seconds to enter the clock mode. Press the tune knob to select between the 12 or 24 hour display format. The clock mode will automatically time out with the changed display format set as the current default setting.