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CV-M30
8. Internal Adjustments of Video Signal
For adjustment of the video output signal there are internal potentiometers on th PK 7987A
board.
Adjustment should only be done in a setup with a standard test chart and controlled illumination
Do not touch these potentiometers unless you are familiar with camera adjustments.
VR 1 is for AGC level setting. Factory setting is 700 mVpp ±30 mV
VR2 is for black level set-up. Factory setting is 20 mVpp ±2 mV
VR3 is for white clip level. Factory setting is 800 mVpp ±30 mV
VR4 is for factory adjustment only. Do not touch!
Fig. 21. Internal adjustments positions
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