Barco R9000972 Installation Manual - page 33
Installation adjustment mode
8-6
5975638 BARCOGRAPHICS 1209s 040598
Scheimpflug Adjustment (Diagonal image
focusing)
DIAGONAL IMAGE FOCUSING
1. TURN THE SCREW MARKED
;;
TO FOCUS THE IMAGE DIAGO-
NALLY from LEFT (bottom) TO
RIGHT (top).
2. TURN THE SCREW MARKED
;;
TO FOCUS THE IMAGE DIAGO-
NALLY from LEFT (top) TO RIGHT
(bottom)
GREEN
A3
A4
RED
A5
A6
BLUE
A1
A2
left
right
left
right
A3
A4
A1
A2
A5
A6
Loosen first the security screws (see images opposite and above.)
Example : diagonal focusing of the green image.
Equalize diagonally the focus from left (bottom) to right (top) by turning
screw A3 of the projected colour.
Equalize now diagonally the focus from left (top) to right (bottom) by
turning screw A4 located under the green lens.
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First, be sure that the CRT projection angle is correctly adjusted,
otherwise it is not possible to obtain proper overall focus of the image.
Press
ENTER
to start the green adjustment.
Press
EXIT
to return to CRT Projection Angle Adjustment.
Adjustment procedure :
B5
B6
Red CRT Lens
B4
With the diagonal image focusing corrections, it is possible to obtain
uniform focus for the total projected image.
These corrections must be repeated for each colour. The Diagonal
image focusing is repeated 3 times, first for green, then for red and
then for blue.