Acer DD550A User Manual download pdf (Page 24)

OSD Setting Menu

Press “MENU” into the OSD Setting Menu, and then press

“UP” or “DOWN” to select the item, at last press “EXIT” to

leave menu :

Luminance

Press MENU to select one of the following, and then press “UP” or

“DOWN” to select the desired level,

---Brightness1: Range: 0~100 ; Default: : 100

(Dual side display brightness can be adjusted individually)

---Contrast: Range: 0~100 ; Default : 50

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Acer DD550A User Manual Page 24