1.3 Setting the BacklightPressing the M4 key (right-hand trigger switch) while holding down the SF (Shift) key activates ordeactivates the backlight function.Backlight OFF(The backlight function isOFF when you turn theBHT on.)Press M4 whileholding down SF.M4(right-hand triggerswitch)Backlight ONPress M4 whileholding down SF.If no key ispressed forapprox. 3seconds. Press any key (exceptfor the simultaneousdepression of SF andM4.)Backlight OFF(The backlight functionis kept ON.)SF Press M4 whileholding down SF.In user programs, you can select the key to be used for activating or deactivating the backlightfunction (instead of the initial setting: combination of SF and M4 key (right-hand trigger switch)), aswell as modifying the ON-duration of the backlight before the automatic turning-off.4
