Acer 505 series - Manual (Page 100)

5 Software 78
Display Device
Display Device is used to control various settings related to the display device(s),
such as the display brightness/contrast levels.
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. 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 activate the
setting. To modify the brightness and/or contrast levels, click and hold the slider
control and move to the right to increase or 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.