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APPENDIX A. OPTICAL ADJUSTMENT (MECHANICAL)
Adjustment
A.3.3. MTF Adjustment
1. Move the carriage so that the 200 dpi chart [A] affixed to the resolution
chart is in the read position.
2. Loosen the lens retaining screw, then move the lens as indicated by the
arrow to where the oscilloscope waveform output is maximized.
3. Tighten the lens retaining screw to immobilize the lens.
G404X503.wmf
V: 1 V
T: 0.1 ms
A-4
October 9th, 1995
[A]
G404X515.wmf
G404X509.wmf
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