R5914654 /04 G62 series58
Image 3–31
Note: The image focus should be tuned finely as the balance between the back focus and focus
adjustment is very subtle. One press on the Zoom or Focus keys can make a big difference on
the screen.
3.13.2 Adjusting the boresight
Why boresight adjustment ?
Boresight adjustment is needed if the image is still unsharp after the focus adjustment. The boresight
adjustment tilts the lens holder to parallel the lens plane and the DMD plane to fully focus the image on the
screen.
Required tools
• Boresight extenders
• L-shape tool or U-shape tool
• Remote control
How to adjust
1. To perform the boresight adjustment, turn the boresight screws clockwise or counter-clockwise using the L
shaped socket tool or U-shape tool and the three boresight extenders.
Note: Use the silver L shape key for the LSM type 1 and the black L shape or U-shape tool for the
LSM type 2.
Image 3–32
UST lens R9801785(1)
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