R5906848 /04 DP2K SLP Series134
How to adjust the Fold Mirror of the projector?
1. Start up the projector and display a white test pattern with maximum dimming.
Caution: Projecting a misaligned spot for more than 10 seconds may cause irreversible damage to the
Light Processor. Always apply maximum dimming to the light output, and adjust the light spot as
quickly as possible.
2. Turn the adjustment screws A, B or C in or out until the light spot (5) matches with the outline of the DMDs (4).
Use a 5.5mm nut driver. The illustration below shows the movements of the light spot (5) upon the screen (6)
for each adjustment screw.
B
-
+
C
-
+
A
-
+
4
5
6
--
++
B
++
A
--
++
C
--
Image 10-29
Turn the three adjustment screws of the Fold Mirror equally bit by bit clockwise to achieve a higher
contrast of the projected image. Then, readjust the adjustment screws individual until the light spot
matches with the outline of the DMDs.
Take into account that a higher contrast is at the expense of brightness.
10.18 Cleaning the Fold Mirrors
When should one clean the Fold Mirror?
Only clean the Fold Mirror in case it is really necessary. This means in case dust is clearly visible upon the
surface of the Fold Mirror.
This procedure requires removal of the adjustable Fold Mirror. The fixed Fold Mirror at the bottom of
the Corner Block is accessible when the adjustable Fold Mirror is removed.
Required tools
• Compressed air.
• Clean Toraysee® cloth or any micro fiber lens cleaning cloth.
• Clean cotton cloth.
Required parts
Lens cleaner (e.g. Carl Zeiss lens cleaner or Purasol® or any waterbased lens cleaner)
How to clean the Fold Mirror?
1. Blow off dust with clean compressed air (or pressurized air cans).
Light Pipe
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