Epson Professional Series II - Manual (Page 50)

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 switches
according to step 8 on page 14. If you connected more than
two monitors, set their 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