G-Shock Auto Light Switch

While Auto Light Switch is enabled, illumination turns on whenever you position your wrist as described below in any mode.


To turn auto light switch on and off
In the timekeeping mode, holdown B for three seconds to toggle the auto light switch on (auto light switch indicator displayed) or off (auto light switch indicator ont displayed).
- The auto light switch indicator is on the displayed in all modes while the auto light switch is turned on.
- in Order to protect against running down the battery, the auto light switch turns off automatically approximatley six hours after you turn it on.



from G-9000 Mudman Manual Book. Casio.