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Raster centering
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 phos-
phor area of the CRT.
Press ENTER to display the raster on
the green CRT.
Look into the green lens and shift the
raster with the control disk until it is
centered in the middle of the CRT
faceplate.
forbidden area
7-12
INSTALLATION ADJUSTMENTS
projected raster
crt faceplate border
phosphor border
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
5975248 BARCOVISION 701 MULTIMEDIA 070597
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