12TROUBLESHOOTING
If the recommended actions still do not result in satisfactory operation, please consult your Kramer Dealer. Before seeking technical assistance, if the problem is image related, please try to find out the screen resolution and refresh rate being used from the computer and if the problem only affects one particular resolution.
Problem
The picture on the video display is black and white.
There is no picture on the video monitor.
Some colors come out wrong on the video monitor.
How can I reduce smearing?
Remedy
1.Check the condition of the cables being used. In particular, a faulty
2.Make sure that the version of the Video Scaler (NTSC or PAL) matches the video standard of the equipment you are using: NTSC or PAL.
3.Ensure that the color controls on your computer monitor or video projector are all set correctly.
4.Ensure that the Color adjustment on the Video Scaler is not adjusted completely down. It may be necessary to reset the video levels by pressing the + and – Buttons simultaneously.
1.If no LED’s on the Video Scaler are illuminated, ensure that the proper AC Power is being supplied to the unit and check the fuse (The procedure located elsewhere in this manual).
2.If the LED’s are illuminated: a) Check that the output switch on the rear panel of the Video Scaler is set to the proper position, either BNC or HD15, depending upon which method is used to connect to the display, b) Check that the output you are using from the Video Scaler is also connected at the unit and the display, and c) Check that your display is switched on and set to the correct input and that its Brightness and Contrast are set correctly.
1.Try altering the color (saturation), hue (tint) contrast and brightness settings on your display. These are usually set up for viewing computer images, which may be somewhat different from viewing images that have been
2.Make sure your output cable assembly is not faulty. Perhaps the Red, Green or Blue signal is not being passed through the cable.
1.Smearing usually occurs when a Composite Video input is used and is generally unavoidable, unless you can switch to using S- Video. It occurs because the luminance and color information is combined as one signal and the two parts have to be 'bandwidth- limited' to avoid them interfering with each other.
2.Using good quality video cable will help towards reducing this affect.
Kramer Electronics Ltd.
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