– 5 –
3-7. AGC Level ADJUSTMENT
Adjustment location:
Computer screen
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope, color bar chart
Subject:
Gray scale chart
Adjusting method:
1. Display the color bar chart at designated picture angle.
2. Click the “NEXT” to be “Adj.Agc” in the adjustment window.
After finishing AGC level adjustment, start Hue and
chroma adjustment automatically.
3-8. Hue and Chroma Adjustment
Adjustment location:
Computer screen
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope, vectorscope,
color bar chart
Subject:
Color bar chart (Display the color bar chart at desig-
nated picture angle.)
1. Adjust “Adj.Chroma” in the adjustment window.
3-9. CCD White Point Defect Detect Adjustment
Measuring location:
VIDEO OUT
Measuring equipment:
Monitor display
Adjustment method:
1. After finishing Hue and Chroma adjustment, shield light with
a lens cap to provide dark condition.
2. Click the “NEXT” button to be CCD White Point Defect De-
tect Adjustment.
3. After completing this adjustment, it comfirms that white point
can not be seen on the monitor display.
4. “OK” will display in the “STATUS”.
5. Click the “CLOSE” in the adjustment window, and complete
the adjustment window.
3-5. White Balance Adjustment
Adjustment location:
VR302, VR303 (CA-3)
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope, Vectorscope
Subject:
Color bar chart
Adjusting method:
1. Display the color bar chart at designated picture angle.
2. Click the “NEXT” button to be white balance adjustment.
3. Adjust VR302 and VR303 so that the luminescent spot rep-
resenting white is overlapping with the crosshair mark in
the center of the vectorscope.
3-6. Iris Level Adjustment
Adjustment location:
VR121 (CA-1)
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope, color bar chart
Subject:
Gray scale chart
Adjusting method:
1. Display the color bar chart at designated picture angle.
2. Click the “NEXT” to be “Agc Off(AutoIrisLens Adj)” in the
adjustment window.
3. Turn the VR121 to the right so that the white level is maxi-
mum.
4. Turn the VR121 to the left so that the output level is 550
±
20 mVp-p.
VIDEO OUT
30
µ
sec
550
±
20 mVp-p
VIDEO OUT
30
µ
sec
VIDEO OUT
30
µ
sec
VIDEO OUT
30
µ
sec
R
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100%
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