Acer 500 User Manual page 103

The items in this screen include:
Boot Display Device. Sets the default display device on
boot-up.
Switching Display Device. Sets the current display
device.
Note: Make sure an external monitor is connected before
External monitor is selected.
Brightness for LCD Panel/Contrast for LCD Panel. Click
and drag to set the LCD screen brightness and contrast
levels.
Note: TFT active-matrix LCDs have fixed and optimized
contrast levels.
Click on the radio button of the desired item, then click on
Apply to accept. To modify the brightness and/or contrast
levels, click and hold the slider control and move to the
right to increase, move to the left to decrease the setting.
You can also click on the item, and use the cursor keys to
set the desired level.
Chapter 5 Software
Notebook Manager
83