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Image 4-4
Optical alignment of the lamp
What has to be done after operating the lamp
After the lamp has been operated for many run times, a decrease of light output will be observed. An optical realignment of the lamp
to the z-axis will compensate the decrease in light output.
Necessary tools
•
Allen Key 3mm
•
nut driver 10mm
How to adjust
Optical alignment of the lamp to the z-axis, follow the next procedure:
1. Put a lightmeter in the center of the screen.
Tip:
To locate the center of the screen, select the Lens adjustment pattern ('INSTALLATION MODE')
2. Enter the 'RANDOM ACCESS ADJUSTMENT MODE', select consecutively 'Picture Tuning' and 'Colour Temperature'. Finally
set Colour Temperature on 'PROJECTOR WHITE'.
3. Enter the 'INSTALLATION MODE' and select 'Internal Patterns'. Finally set Internal patterns on 'PURITY'.
4. Enter the 'SERVICE MODE' and select 'Add-Ins'. Finally set CLO on 'INACTIVE'.
5. Loosen the lock nut (A), securing the adjustable screw (B) for the z-axis adjustment.
6. Carefully adjust the adjustable screw (B), using an Allen key of 3mm, for maximum light fall on the screen. (image 4-5)
7. Lock the adjustable screw by fastening the lock nut (A).
8. Return the above modified settings.
R5976544 LAMP REPLACEMENT KIT 08012003
4. Inserting the new lamp
9
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