JVC KY-F75U KY-F75U 52 page instruction manual (3MB) - Page 38
Adjustment of white shading
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4. Settings (continued) Adjustment of white shading White shading can occur due to the combination of lenses and the optical system that 3CCD cameras are equipped with. If this happens, perform adjustment as described in the following. Waveform window button KY-LINK screen tool bar Video signal level Setting screen V button R button G button B button 1. Shoot a white subject so that the entire screen is filled with white. (Illumination should be uniform.) 2. Adjust the white balance. 3. Click the Waveform window button in the toolbar of the KY-LINK screen to display the set- ting screen. Click the [V] and [R] button to display the waveform of the red channel in the vertical direction. 4. Adjust the shutter speed, etc. until the video signal level becomes about 170 - 190. 5. On the white balance setting screen, set the Shading item to "ON". 6. Adjust Level (R) to make the gradient of the waveform as small as possible. 7. Click the [G] button on the setting screen to switch to the waveform of the green channel. Then adjust Level (G) to make the gradient of the waveform as small as possible. 8. Click the [B] button on the setting screen to switch to the waveform of the blue channel. Then adjust Level (B) to make the gradient of the waveform as small as possible. 9. When adjustment of the white shading is completed, adjust the white balance. E34