Acer mf-580 用户手册

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4.  When a selection is decided, press down the Menu button once to 

confirm the selection.     

 

Contrast 

Under this Contrast setting, you are able to set the contrast of the LCD 

Display. 

Under this Backlight setting, you are able to set a time to turn off the 

backlight of the LCD Display automatically. 

1.  Press down the Menu button once, and then push the Menu button to 

the right three times, and now you should read the message of 

SETTINGS appearing on the Display.

 

 

2.  Press down the Menu button again, and then push the Menu button to 

the right three times to select CONTRAST.    Once the massage of 

CONTRAST appears on the screen, press down the Menu button again.