How to adjust the hand light of Casio watch When adjusting the hand light of Casio watch, first you need to check whether this watch has a hand light. If not, there is no automatic backlight function on it, so you can't set up the hand light independently. If yes, you can press the button in the lower left corner for three seconds, and then press it for about five seconds when the light goes out.
At this point, the adjustment mode will be displayed on the screen. Just follow the tips above to switch. Different Casio watches have different ways to adjust hand lights. Casio black gold, the watch is turned on at the top right. A. light will be displayed on the screen after long press, indicating that the hand light function has been turned on.
Because Casio's function is complicated, if you adjust the week, moon phase or calendar of the watch, it is best not to operate it from 9 pm to 3 am. At this time, the meshing degree of the gears inside is relatively low. If it is adjusted frequently, it will easily lead to the damage of internal parts.