Acoustic Research AR4200 manual Adjustment in PC VGA Mode, Adjusting Picture

Models: AR4200

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Adjustment in PC (VGA) Mode

With working in VGA mode, this unit allows you to perform several adjustments.

Adjusting Picture

1 Press MENU to display the menu main page.

If the picture menu does not display, press VOL+/- repeatedly to display picture menu page.

2 Press CH￿/￿to select brightness or contrast item.

3 Press VOL+/- to adjust the value of the item.

picture

 

brightness

50

contrast

50

phase

50

frequency

50

right/left to adjust brightness

 

Adjusting the Phase and Frequency

1 Press MENU to display the menu main page.

If the picture menu does not display, press VOL+/- repeatedly to display picture menu page.

2 Press CH￿/￿to select phase or frequency item.

3 Press VOL+/- to adjust the value of the item.

4 Press MENU to exit.

picture

 

brightness

50

contrast

50

phase

50

frequency

50

right/left to adjust phase

 

You may find that images blur, depending on the clock phase of your PC's Processor. If you experience blurring ,

you can obtain a clearer image by adjusting the phase setting.

Adjust the clock frequency of the set's internal clock signal. If shimmering or rainbow-like noise is apparent in

the image, try adjusting the frequency setting.

Adjusting the Picture Automatically

If you are not satisfied with the picture , you may quickly adjust the picture by using the AUTO button. After the AUTO button is pressed, the message "Auto running” appears on the screen and the picture adjustments are automatically activated.

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Acoustic Research AR4200 manual Adjustment in PC VGA Mode, Adjusting Picture, Adjusting the Phase and Frequency