Acer mf-580 用户手册

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3. Now 

push 

the 

Menu button to the right or to the left to increase or 

decrease the Contrast level. 

 

 

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

confirm the selection.     

 

Power Off 

Under this Power Off setting, you are able to set a time to turn off this 

MP3/Storage Drive 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.