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Random Access Adjustment Mode
6-13
5975847 BARCOGRAPHICS 1208S 220197
Seagull Correction
Use this correction after the image has been adjusted with top and
bottom bow and keystone. If still a deformation (like a seagull) on top
and bottom of the image is visible, proceed to the seagull correction.
Due to interaction, it is possible that the top and bottom bow have to
be readjusted after adjusting the seagull correction to obtain an
improved image. The default value on the bar scale of this correction
is 50.
Push the control stick forward or backward to select the 'Seagull
Correction' and press
ENTER to select.
Eliminate teh deformation by pushing the control stick upwards or
downwards until a straight line is obtained.
ENTER will return to Top-Bottom adjustment menu EXIT will return
to Geometry menu
Select with or
then <ENTER>
<EXIT> to return.
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
TOP-BOTTOM (N-S)
H CENTERLINE BOW
H CENTERLINE SKEW
TOP KEYSTONE
TOP BOW
BOTTOM KEYSTONE
BOTTOM BOW
SEAGULL CORRECTION
Horizontal Size Adjustment
Push the control stick forward or backward to highlight H SIZE on the
Geometry menu and then press
ENTER.
ENTER
will select horizontal size adjustment
EXIT
returns to random access adjustment mode menu.
ADJUST returns to operational mode
Adjust the horizontal size by the control stick to the right or to the left
until the exact image width is obtained.
Note :
- if the internal # pattern was selected, this pattern remains on the
screen.
- if the genlocked pattern was selected, the external source will be
displayed.
A bar scale and a numeric indicator help to gauge the horizontal size
adjustment.
Hint : In order to avoid loss of resolution in the projected image and
to ensure maximum CRT longevity, do not use an excessively small
horizontal size setting.
EXIT will return to Geometry
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
H SIZE
70
H size too
large
H size too
small
Ideal image width