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Installation Adjustments
7-5
5976067 BARCOCINE 7 151299
Electrical focus
Red Green Blue
Electrical focusing
What can be done ?
The electrical focus for red, green and blue is factory preset. The electrical focus can be readjusted.
Adjust only if really necessary. Mark first for future reference the blue focus control before adjusting.
Focus adjustment should be done with hight contrast settings.
How to readjust ?
Follow the procedure as described below:
1. Ensure the lenses are correctly focused.
2. Open the top cover.
3. Adjust separately the focus control for red and green for the sharpest image on the screen.
Warning
The blue focus has been factory adjusted for optimal color reproduction. Readjustment of the blue focus will effect color temperature
and color tracking.
image 1
Raster centering
What has to be done ?
The raster must be centered on the CRT screen surface of each tube, therefore, it is necessary to look into the lenses.
Caution : To avoid eye discomfort while performing these adjustments, reduce the contrast and gradually increase the brightness
level until the raster becomes visible behind the image.
Warning
In order to ensure maximum CRT longevity and to avoid CRT damage, do not shift the raster outside the phosphor area of the CRT.
Содержание R9002380
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