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7. Installation Adjustment Mode
Image 7-8
Rotate the lens barrel until the corners of the image are clearly focused
5. Repetition of step 1 to step 4 may be necessary to optimize optical focusing.
6. When finished tighten the wing nuts and press ENTER to continue with the next lens.
7. After finishing focusing of the 3 lenses, press ENTER to continue with the Raster Centering.
7.6 Raster Centering
Introduction
The raster must be centered on the CRT faceplate of each tube, therefore, it is necessary to look into the lenses. Following screen
will be displayed:
RASTER CENTERING
CONTRAST LEVEL IS REDUCED
AND BRIGHTNESS INCREASED
TO MAKE THE RASTER VISIBLE
ON THE FACE PLATE OF EACH
CRT
USE THE ARROW KEYS TO
CENTER THE RASTER ON THE
GREEN, RED AND BLUE CRT
RESPECTIVELY
<ENTER> to continue
<EXIT> to return
Menu 7-5
To avoid eye discomfort while performing these adjustments, reduce the contrast setting and gradually in-
crease the brightness level until the raster becomes visible behind the image.
W
ARNING
outside the phosphor area or the CRT.
CRT Phosphor Width
Following phosphor width is used for the green color:
40
:
In order to ensure maximum CRT longevity and to avoid CRT damage, do not shift the raster
R5976257 BARCO REALITY 909 15/03/2003
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