4-11
SSC-DC132P/134/134P/138P
4-5-6. Checking WB Adjustment
(3200K preset )
Checking ATW operation
1.
Turn OFF the CCD-IRIS switch on the rear panel of
the camera.
2.
Set the C14 filter.
3.
Shoot the all-white pattern. Adjust the iris diaphragm
so that the VIDEO OUT image level is set within the
specified value range.
Subject
All white pattern
Measurement point
Image level of VIDEO OUT
Equipment
Waveform Monitor
Specification
65
±
3 IRE (NTSC)
455
±
20 mV (PAL)
4.
Check to see if the white bright spot on the vector-
scope converges to meet the specified value.
Subject
All white pattern
Measurement point
White bright spot of VIDEO OUT
Equipment
Vectorscope
Specification
Convergence time
Within 30 seconds
Convergence spot
Within a radius of 10 % of the
vectorscope's diameter of the
origin (Suppose the vectorscope's
diameter is 100 %.)
5.
Remove the C14 filter and perform step 3 and step 4.
4-5-7. Checking Color Reproduction
Adjustment
1.
Turn OFF the CCD-IRIS switch on the rear panel of
the camera.
2.
Shoot the color bar chart.
3.
Turn the lens to fully open once and then adjust the
lens iris while slowly turn it to reduce the aperture of
the lens so that the VIDEO OUT white image level is
set within specified value range.
Subject
Color Bar Chart
Measurement point
White image level VIDEO OUT
Equipment
Waveform Monitor
Specification
90.0
±
2.5 IRE (NTSC)
630
±
15 mV (PAL)
4.
Check to see if the center of the bright spot of each of
the colors is within the color reproduction range.
Subject
Color Bar Chart
Measurement point
Respective color bright spot of
VIDEO OUT
Equipment
Vectorscope
Specification
Confirm that some part of bright
spot for each color is in its
respective reproduction range.
(Because of AGC is always set
to ON.)
n
If there is a point where the specified value for step 4
is satisfied while varying the lens iris within the
specified value range for step 3, the adjustment is
correct.
