Acer AC501 - Manual (Page 9)

9
Adjusting the Brightness and Contrast
To adjust the contrast and/or brightness, Press the Contrast Control or the Brightness Control,
to call up the following on-screen display:
OSD Function Description
1. Press the OSD On/Off control button to display the OSD Menu.
2. To select function, press button until the function you want is
highlighted.
3. Use the button to increase or decrease the adjustment of this
function.
4. If you want to exit the OSD function then press the OSD On/Off control
button once.