BARCO 15
Projection Systems
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Scheimpflug Adjustment (Diagonal image focusing)
What has to be
done
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 color. The Diagonal image focusing is
repeated 3 times, first for green, then for red and then for blue.
Image 16
1
2
3
4
5
16
17
18
19
20
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.
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 color.
Equalize now diagonally the focus from left (top) to right
(bottom) by turning screw A4 located under the green lens.
Repeat the same procedure for the red and blue image
using the corresponding screws.
To optimize the image focusing, repeat the optical lens
focusing.
When the scheimpflug corrections are correctly adjusted,
secure this position by fastening the security screws on
both sides of each lens.
Warning : When the security screws are tightened, it is not
possible to change the scheimpflug correction.
After finishing the Installation Adjustment Procedures, the
main menu returns on the screen. You are now able to start
the alignment procedure for the projector.
For detailed information about these adjustments, please
refer to the Owner's Manual of the projector.
Step
Action
Image
Adjustment
procedure:
Follow the next procedure: