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CONVERGENCE
PV152
1-26
PRO1200 CONVERGENCE
Top-Bottom (north-south) Adjustments
Top-Bottom and center adjustments affect only the horizon-
tal lines of the projected image.
To start up the Top-Bottom and center corrections, follow
the next procedure :
Push the control disk up or down to highlight
TOP-BOTTOM
(N/S)
on the geometry menu and then press
ENTER
.
Only the green image is displayed while making top-botton
adjustments. 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
- W/M 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 disk up or down 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
W/M CORRECTION
Correct by pushing the
control disk backward
Correct by pushing
the control disk
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