18-4. Centering adjustment18-6. Diffraction adjustment
SignalMonoscope signalSignalDot pattern, Monoscope signal
AdjustmentDY centeringAdjustmentDY diffraction adjustment ring
Specification Value? 4%Specification ValueRefer to the illustration below.
Adjustment procedure:
OrderProcedure
1Adjust the diffraction adjustment ring so that tail of a
Adjustment procedure:
dot must be smaller than 2 times of dot diameter, or the
OrderData Procedurefanshaped diffraction must smaller than the dot
1Adjust DY centering adjustment ring so that marginsdiameter.
at top, bottom, right and left are equal.2If the focus and centering are affected by this
adjustment, input monoscope signal and repeat focus
Note :The centering position is affected by earth magnetism.and centering adjustments.
Rotate the camera 360 degrees and find the amount of
centering change. Make the adjustment to the center of theRelated Adjustments:
change.Focus adjustment
Centering adjustment
18-5. Focus adjustment
SignalMonoscope signal
AdjustmentDY focus ring
Specification ValueHorizontal resolution is 300 lines or
more.
Adjustment procedure:
OrderProcedure
1Adjust focus ring for optimum focus. Confirm that
the horizontal resolution satisfies the specification.
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ACEC
