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100 Appendix A: Troubleshooting
What to do if you have a problem
If you experience problems using Matrox 4Sight-II, please:
• Check that all cables are properly connected.
• Review this reference, including the rest of this chapter, to see whether your
problem is addressed here.
• Check whether your problem is discussed on the Matrox Imaging web site.
If the above solutions do not work, contact your local Matrox representative,
Matrox sales, or Matrox customer support. See the Customer support section at the
back of this reference for more information.
Common problems and solutions
Monitor problems
➘
My monitor is blank (or it has shades or spots of gray and white).
• Make sure that Matrox 4Sight-II and your monitor are turned on.
• Check that your monitor cable is properly connected.
• Make sure the brightness and contrast controls of your monitor are set correctly.
• Set your monitor's input impedance switches (if any) to
75 ohms for the red, green, and blue inputs. Set the synchronization switches to
high impedance and external sync mode. If there is a Digital/Analog switch on
your monitor, set it to Analog.
➘
When I run an application, there is no picture on my video display. The monitor
is blank.
The application you are running might be attempting to use a resolution that is
not supported by your monitor. Check your monitor's manual for supported
resolutions.
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