4. Lamp & lamp house
4.7 Realignment of the lamp in its reflector
Each xenon lamp installation requires a realignment of the lamp in its reflector for optimal performance of the
xenon lamp in the D P2K-23B projector. Furthermore, it is recommen ded to realign the lamp after the first run
time of 100 and 200 hours. Especially the Z-axis of the lamp.
How to rea lign
1. R emove the lamp cover to get ac cess to the X -, Y- and Z -axis adjustment thumbscrews of the lam p.
2. Sw itch on the projector and start up the lam p.
3. Go via the Comm unicator touch panel to the menu “Insta lla ti on” > “Lamp ” > “Light output”.
4. Set the “Light output mode”innormal mode and the “Lamp Dimming” on maximum ( 255).
Note: This window on the Com municator touch panel shows in the upper left corner the measured value of the built-in light
sensor of the projector.
Image 4-25
Light mode selection
5. Adjust the X-axis (ref X image 4-26), the Y-axis (ref Y image 4-26) and the Z-axis ( ref Z image 4-2 6) for ma ximum current light
output (Footlambert Measured). Carefully turn the thum bscrew for m axim um light output. O nce over the maximum , turn slightly
in oppos ite direction to reach the maxim um light output again. Do this for eac h direction and repeat this adjustment cycle twice.
X
Z
Y
Image 4-26
Realignment points
R59770495 DP2K-23B 30/04/2010 43
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