Ricatech TAB08 Mode D'emploi page 9

Select "set" to confirm the setting.
Screen brightness
Select " display setting" to enter the menu, click " brightness" and move the process bar to choose
the brightness.
Screen Timeout
Screen Timeout: the delay of automatic screen lock
Select "Display settings" to enter the setup menu, move down the direction bar and select " screen
timeout" as follow.
Note: This function is invalid when video is playing.