Click the on/of (function key) button, select the time you want to adjust and the date to make it flash bright and dark, click the triangle symbol button (△ is to increase ▽ is to decrease) to adjust, each click increases or decreases One digit value. After adjustment, press the function key again to skip to the next position, and repeat the above operation. After all adjustments are completed, press the function key again to save and exit.
