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– 52 –Chapter 4 Shooting — Adjusting the white and black balanceAdjusting the white and black balanceTo obtain high-quality video at all times using the camera, the white and black balance must be adjusted according to conditions.To obtain higher image quality, adjust in the order of AWB (white balance adjustment) → ABB (black balance adjustment) → AWB (white balanceadjustment).@@ NOTEt When white or black balance is adjusted while video is disrupted by the generator lock, adjustment may not be performed correctly. Adjust white orblack balance again after video has returned to normal.Adjusting the white balanceThe white balance must be adjusted again when the lighting conditions change. Follow the steps below to adjust the white balance automatically.r When storing in of the switch1 Switch to manual mode with the switch. (page 45)2 Set the switch.Normally, set this to 0 dB. If it is too dark, set the gain to an appropriate value.3 Set the switch to .4 Change the switch settings according to the light conditions.For setting examples for the switch, refer to “Brightness adjustment” (page 48).5 Place the white pattern at a point where the light conditions match those for the light source for the subject, and zoom in on thewhite pattern so that the white color appears in the screen.6 Adjust the lens aperture.Adjust the iris so that the brightness of Y GET is approx. 70%.7 Press the button.White balance is automatically adjusted.r White patternf A white object (cloth or wall) near the subject may also be used for the white pattern.f Required size of white pattern is as follows.1/2 or more of the screen width1/2 or more of the screen heightf Keep bright spotlights out of the screen.f The white pattern must be placed at the center of the screen.r Messages displayed in the viewfinder and LCD monitorf When the auto tracking white balance (ATW) function is operating, white balance cannot be adjusted.Status Message RemarkDuring adjustment [AWB Ach ACTIVE]Adjustment completed [AWB A OK 3200K] f The adjusted value is automatically stored in thespecified memory (A or B).When the color temperature of the subject is lowerthan 2000 K or higher than 15000 K[AWB NG COLOR TEMP LOW][AWB NG COLOR TEMP HIGH]f [AWB NG COLOR TEMP LOW] indicates thatthe temperature is lower than the displayedtemperature. [AWB NG COLOR TEMP HIGH]indicates that the temperature is higher than thedisplayed temperature.r [COLOR TEMP Ach SETTING]/[COLOR TEMP Bch SETTING] settingf The color hue can be changed after the white balance has been adjusted automatically, after setting each item in the main menu → [SCENE FILE] →[COLOR TEMP Ach SETTING]/[COLOR TEMP Bch SETTING].f Adjusting either one of [COLOR TEMP], [R Gain], [B Gain], and [G AXIS] changes the other three values.f Applying white balance automatic adjustment again resets [COLOR TEMP], [R Gain], [B Gain], and [G AXIS]. |
