Installation Of Small Iris(Information For Service Personnel) - NEC iS8-2K Installation And Adjustment Manual

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3-5. Installation of Small Iris
If it is requested by the customer to reduce the projector's lamp luminance because it is too bright even when
set to the minimum level, you may reduce it as follows. This operation will also improve the contrast ratio.
CAUTION :
With the small iris installed, the automatic luminance adjustment [Auto] will be disabled.
Preparatory operation:
• Make sure that the main power switch of the customer's projector is turned off.
• Get the supplied small iris ready. (Included in the standard set of accessories)
Installation Steps
Remove the side panels from the projector.
Untighten the six clamping screws to remove them.
Remove the holder panel of the engine block
by untightening the three setscrews.
(Information for Service Personnel)
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