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Random Access Adjustment Mode
6-9
5975007 BARCOGRAPHICS 808S 051196
Raster Shift Adjustment
The green raster must be centered both horizontally and vertically on
the center of the CRT surface. To center the green raster, look into
the green lens and use the control stick to move the raster.
CAUTION
It is necessary to look into the lenses to perform these adjustments.
To avoid eye discomfort while looking into the lenses, reduce the
contrast and gradually increase the brightness level until the raster
becomes visible on the face of the CRT.
Select with or
then <ENTER>
<EXIT> to return.
GEOMETRY
H PHASE
RASTER SHIFT
LEFT-RIGHT (E-W)
LEFT SIDE CORRECTION
TOP-BOTTOM (N-S)
H SIZE
V LINEARITY
V SIZE
BLANKING
ENTER will select green raster shift adjustment
EXIT returns to random access adjustment mode menu.
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.
forbidden area
projected raster
crt faceplate border
phosphor border
To start the adjustment, use the control stick to highlight Raster shift
and press ENTER to display the green raster on the phosphor.
correct raster position
wrong raster positions
233
Press EXIT to return to the Geometry menu.
Note : Horizontal and Vertical shifts for Red and Blue should
be end up with a setting close to 50%. If these settings are
significantly greater or lesser than 50%, then contact a
BARCO authorized service technician.