Barco GRAPHICS 1208S R9000893 - Manual (Page 33)

Random Access Adjustment Mode
6-12 5975847 BARCOGRAPHICS 1208S 220197
Top-Bottom (north-south) Adjustments
Top-Bottom and center adjustments affect only the horizontal lines of
the projected image.
To start up the Top-Bottom and center corrections, follow the next
procedure :
Push the control stick forward or backward to highlight TOP-BOT-
TOM (N/S) on the geometry menu and then press
ENTER .
Only the green image is displayed while making top-botton adjust-
ments. The red and blue images will automatically be corrected in the
same manner. Convergence corrections are automatically disabled
for the duration of these adjustments.
The following adjustments can be executed :
- horizontal centerline bow
- horizontal centerline skew
- top bow
- top keystone
- bottom bow
- bottom keystone
- seagull correction
All adjustment are indicated on the screen with the function name, a
bar scale and a number between 0 and 100.
Adjust the next alignments until the vertical lines are straight.
To enter an alignment, push the control stick forward or backward to
highlight a function and press
ENTER to activate this function.
Press EXIT to return.
TOP-BOTTOM
Select with or
then <ENTER>
<EXIT> to return.
H CENTERLINE BOW
H CENTERLINE SKEW
TOP BOW
TOP KEYSTONE
BOTTOM BOW
BOTTOM KEYSTONE
SEAGULL CORRECTION
Correct by pushing
the control stick
backward Correct by pushing
the control stick
forward
Corrects for curvature of the horizontal lines in the
middle of the image.
Corrects the tilting of the horizontal lines in the middle
of the image.
Corrects the keystone geometry correction of the hor. lines
on the upper side
Corrects the keystone geometry correction of the hor. lines
on the lower side
Corrects for curvature of the horizontal lines on the upper
side
Corrects for curvature of the horizontal lines on the lower
side
Select with or
then <ENTER>
<EXIT> to return.
Select with or
then <ENTER>
<EXIT> to return.
TOP-BOTTOM (N-S)
H CENTERLINE BOW
H CENTERLINE SKEW
TOP KEYSTONE
TOP BOW
BOTTOM KEYSTONE
BOTTOM BOW
SEAGULL CORRECTION
GEOMETRY
H PHASE
RASTER SHIFT
LEFT-RIGHT (E-W)
LEFT SIDE CORRECTION
TOP-BOTTOM (N-S)
H SIZE
V LINEARITY
V SIZE
BLANKING