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9
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2-9. Y-Gain Adjustment
Adjustment location:
Computer screen
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope
Subject:
Gray scale chart
Adjusting method:
1. Display the gray scale chart at designated picture angle.
2. Use the “ ” button to be “ “GAIN in the adjustment window.
3. Shield light with a lens cap to provide dark condition.
4. Use the computer’s mouse to adjust the Y GAIN in the ad-
justment window so that the video out terminal is 700 ± 10
mVp-p.
2-10. Iris Level Adjustment
Adjustment location:
S1001, VR103 (CA-1)
Measuring location:
VIDEO OUT
Measuring equipment:
Oscilloscope
Subject:
Gray scale chart
Adjusting method:
1. Set S1001-4 and 5 switches to the OFF position.
2. Use the “ ” button to be AGC OFF in the adjustment window.
3. Display the gray scale chart at designated picture angle.
4. Turn the VR103 to the right so that the white level is maximum.
5. Turn the VR103 to the left so that the output level is 700 ±
10 mVp-p.
VIDEO OUTPUT
700 mV ± 10 mV
35 µsec
2-11. CCD White Point Defect Detect Adjustment
Measuring location:
VIDEO OUT
Measuring equipment:
Monitor display
Adjustment method:
1. Shield light with a lens cap to provide dark condition.
2. Use the “ ” button to be WDD in the adjustment window.
3. Click the AUTO button.
4. After completing the CCD White Defect Detect adjustment,
it comfirms that white point can not be seen on the monitor
display.
5. Click the END button.
2-12. Line Phase Adjustment
Adjustment location:
S1001, VR101 (CA-1)
Measuring location:
VIDEO OUT, 24 V AC/GND terminals
Measuring equipment:
Oscilloscope
Adjusting method:
1. Connect the camera to a 24 V AC /50 Hz (VCC-9685VP) or
(VCC-9684VA) 60Hz power source.
2. Set S1001-7 switch to the “LL” (ON) position.
3. The HOT (signal) side and the COLD (GND) side of the
oscilloscope probe connect to the right side and the left side
of the 24 VAC terminals respectively. (rear view)
4. Turn VR101 (LINE PHASE) to adjust the leading edge of
the vertical sync signal and zero-cross shift of the AC 24 V
power supply to 0 ± 0.2 msec.
5. Set S1001-7 to the “INT” (OFF) position before shipment.
VIDEO OUTPUT
700 mV ± 10 mV
35 µsec
0 ± 0.2 msec.
VIDEO OUT
24 V AC
zero cross point
Содержание VCC-9684VA - 1/4" Color CCD Indoor Mini Dome Camera
Страница 39: ...Nov 07 SANYO Electric Co Ltd Osaka Japan ...