Dell ST2420L User Manual page 23

NOTE: Auto Adjust is only available when you are using the analog (VGA) connector.
2. Press the and buttons to move between the setting options. As you move from one icon to another, the option name is highlighted. See the table for a complete list of all the options available for the monitor.
3. Press the button once to activate the highlighted option.
4. Press the and buttons to select the desired parameter.
5. Press the button to enter the slide bar and then use the and buttons, according to the indicators on the menu, to make your changes.
6. Press the button to return to the main menu or exit the OSD menu.
Icon Menu and Submenus Description
Brightness/Contrast Allows you to adjust the brightness and contrast.
Brightness
Brightness adjusts the luminance of the backlight.
Press the button to increase the brightness and Press the
Contrast Adjust the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
Press the button to increase contrast and press the
The Contrast function adjusts the degree of difference between the darkest and lightest areas on the monitor screen.
Back
Press the button to go back to or exit the main menu.
Auto Adjust Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes the display settings for use with your particular setup.
NOTE: In most cases, Auto Adjust produces the best image for your configuration.
Input Source The Input Source menu is to used to select between different video signals that may be connected to your monitor.
Auto Select
Scan for Sources. Push to scan for available input signals.
VGA
Select VGA input when you are using the analog (VGA) connector. Push
DVI-D
Select DVI-D input when you are using the Digital (DVI) connector. Push
Select HDMI input when you are using the HDMI connector. Push
HDMI
Push the button to go back to or exit the main menu.
Back
Color Settings Use the color settings to adjust the Image mode and color format.
button to decrease the brightness (min 0 ~ max 100).
button to decrease contrast (min 0 ~ max 100).
to select the VGA input source.
to select the DVI input source.
to select the HDMI input source.