Viewsonic TD2420 User Manual

9

Adjust the menu items by using the up ▲ and down ▼ buttons.

NOTE: Check the Main Menu items on your LCD OSD and refer to Main Menu 

Explanation below.

NOTE: The Main Menu items listed in this section indicates whole Main Menu items 

of all models. The actual Main Menu details corresponding to your product please 

refer to your LCD OSD Main Menu items.

adjusts the volume, mutes the sound, or toggles between inputs if you 

have more than one source.

automatically sizes, centers, and fine tunes the video signal to eliminate 

waviness and distortion. Press the [2] button to obtain a sharper image.

NOTE: Auto Image Adjust works with most common video cards. If this 

function does not work on your LCD display, then lower the video refresh 

rate to 60 Hz and set the resolution to its pre-set value.

adjusts background black level of the screen image.

provides several color adjustment modes, including preset color 

temperatures and a User Color mode which allows independent 

adjustment of red (R), green (G), and blue (B). The factory setting for this 

product is native.

adjusts the difference between the image background (black level) and 

the foreground (white level).

displays the timing mode (video signal input) coming from the graphics 

card in the computer, the LCD model number, the serial number, and 

the ViewSonic

®

 website URL. See your graphics card’s user guide 

for instructions on changing the resolution and refresh rate (vertical 

frequency).

NOTE: VESA 1024 x 768 @ 60Hz (example) means that the resolution is 

1024 x 768 and the refresh rate is 60 Hertz.