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19
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.
EDGE Focus
CENTER
Focus
B
A
Wingnut
A
Wingnut
B
PROJECTION CONFIGURATION CHANGE