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Focus - Optical Lens Adjustment
Note:
This adjustment normally should not require reset-
ting unless the lens has been replaced or adjust-
ment has changed.
ting unless the lens has been replaced or adjust-
ment has changed.
1.
Optical focus adjustment is located on the top of each
CRT lens system. Loosen the adjustment knurls locking
knob. (Fig. 4)
CRT lens system. Loosen the adjustment knurls locking
knob. (Fig. 4)
2.
Turn the Receiver on apply and view a monoscope pat-
tern.
tern.
3.
Adjust each lens focus for best focus while viewing each
CRT.
CRT.
4.
Cover the Red and Blue CRT, projecting green only.
Rotate the Green lens for best focus around screen cen-
ter area.
Rotate the Green lens for best focus around screen cen-
ter area.
5.
Do the same for the Red focus lens while projecting Red
only.
only.
6.
Repeat for Blue.
Adjustment knurls
locking knobs
locking knobs
B
G
R
Optical lens focus adjustment
Fig. 4
(Rear view)
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