One of two colors are missing.

1.Make sure your video interface cable(s) are properly connected to the monitor connector(s).

2.Check your application program color settings.

You connected two or more monitors to one video controller and the image quality is poor.

1.If you connected two monitors, set their HIGHi75Q switches according to step 8 on page 14. If you connected more than two monitors, set their HIGHi75Q switches as described at the top of page 15.

2.Make sure the interface cables connecting the monitors to each other are the same length and impedance and as short as possible.

3.To maintain image quality, it is best to connect no more than three monitors to one video controller.

4 2 Professional Series II Monitor