Acer AL2021 - Manual (Page 6)

6
English
OSD options
Please refer to "External Controls" on Page 5.
To adjust the OSD settings:
1. Press the MENU button to open the OSD menu. Press again to enter a selection
of 10 functions on OSD.
2. Use the buttons marked < or >, to highlight a control, then adjust the control to
the desired level.
3. When you have finished making all selections, press the AUTO button to exit
the OSD.
OSD Menu
Contrast:
This adjusts dark and light shades of color
relative to each other to achieve a
comfortable contrast.
Brightness:
This adjusts the brightness of the picture on
the screen.
Focus:
This removes any horizontal distortion and
makes the picture clear and sharp.
Clock:
If there are any vertical stripes seen on the
background of the screen this renders them
less noticeable by minimizing their size. It
also changes the size of the horizontal
screen.