DELL notebook adjustment screen size switch in?
DELL的笔记本电脑调节屏幕大小的开关在哪？
This switch is factory set but capable of field adjustment.
此开关经工厂设定但可现场调节。
Instructions for use: one button switch and two of two steps of brightness adjustment;
使用说明：同一按键开关及明暗俩两档调节；
Instructions for use: one button switch and two of two steps of brightness adjustment;
使用说明：同一按键开关及明暗俩两档调节；
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