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Lens Focus Adjustment
Adjust the center focus and edge focus mechanically to
obtain the best screen focus.
NOTE:
• Plug the power cord and turn on the projector before adjustment.
• The lens focus adjustment must be performed for each lens.
• Select the FOCUS test pattern using the TEST button on the full
function remote control.
Proceed as follows:
1 Press the R, G, or B button on the full function remote control to
project the CRT beam to be adjusted.
• You can turn on or off each CRT beam(R, G and B)separately.
2 Adjust the center focus.
• Loosen the wing nut A. Rotate the lens using the wing nut A
until the center of the screen is in focus.
When you get the best center focus, tighten the wing nut A.
NOTE: Do not over-tighten the wing nut.
3 Adjust the edge focus.
• Loosen the wing nut B. Rotate the lens barrel until the edge area
of the screen is focused. Tighten the wing nut B.
4 Recheck center focus.
• If it is out of focus, repeat steps 2 and 3.
5 Repeat steps 1 to 4 for the other CRTs.
6 Reinstall the front panel.
PROJECTION CONFIGURATION CHANGE
19
Wingnut B
Wingnut A
B
EDGE Focus
CENTER
A
Focus
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