6-27
18-4. Centering adjustment
Signal
Monoscope signal
Adjustment
DY centering
Specification Value
± 4%
Adjustment procedure:
Order
Data Procedure
1
Adjust DY centering adjustment ring so that margins
at top, bottom, right and left are equal.
Note :
The centering position is affected by earth magnetism.
Rotate the camera 360 degrees and find the amount of
centering change. Make the adjustment to the center of the
change.
18-5. Focus adjustment
Signal
Monoscope signal
Adjustment
DY focus ring
Specification Value
Horizontal resolution is 300 lines or
more.
Adjustment procedure:
Order
Procedure
1
Adjust focus ring for optimum focus. Confirm that
the horizontal resolution satisfies the specification.
18-6. Diffraction adjustment
Signal
Dot pattern, Monoscope signal
Adjustment
DY diffraction adjustment ring
Specification Value
Refer to the illustration below.
Adjustment procedure:
Order
Procedure
1
Adjust the diffraction adjustment ring so that tail of a
dot must be smaller than 2 times of dot diameter, or the
fanshaped diffraction must smaller than the dot
diameter.
2
If the focus and centering are affected by this
adjustment, input monoscope signal and repeat focus
and centering adjustments.
Related Adjustments:
Focus adjustment
Centering adjustment
Summary of Contents for Handycam CCD-TR501E
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