Panasonic AG-HPX370 AGHPX370P User Guide - Page 55

Chapter 4 Adjustments and Settings for Recording Adjusting the White Balance and Black Balance To record high-quality video with the AG-HPX370P/AGHPX371E, the black and white balances must be adjusted according to conditions. For higher quality, it is recommended that the adjustments should be made in this order AWB (white balance adjustment)  ABB (black balance adjustment)  AWB (white balance adjustment).  NOTE If white balance and black balance adjustments are made while the video image is distorted due to GENLOCK, the adjustments may not be correct. Wait for the video image to return to normal before performing white balance and black balance adjustments again. Adjusting the White Balance Whenever light conditions change, the white balance must be readjusted. To adjust the white balance, follow the steps below. 2 Adjust the ND FILTER control according to the light conditions. For examples of ND FILTER adjustments, see [Shooting and Recording/Playback Functions Section] (page 21). 3 Place a white pattern at a point where the light conditions match those for the light source of the subject. Then zoom-in on the white pattern so that white colour appears in the screen. • A white object (cloth or wall) may be used instead of a white pattern. The illustration below shows the required size for the white space.  NOTE • Do not point the camera at a high-brightness area. • The white object must appear at the center of the screen. 1/3 or more of the screen in width 1/3 or more of the screen in height a b cde a ND FILTER control This control adjusts the amount of light entering the MOS sensor. b AUTO W/B BAL switch Use for automatic control of white balance. c GAIN selector switch Normally set to 0 dB. If this is too dark, adjust gain as necessary. d OUTPUT selector switch Set to CAM. e WHITE BAL switch Set to A or B. 4 Adjust the lens iris. • Use the Y GET function (for details, refer to page 61) and adjust the iris to a approximately 70 % of incoming light. 5 Turn the AUTO W/B BAL switch toward AWB and release it. • The switch returns to the central position with the white balance automatically adjusted. 6 During an adjustment, the viewfinder displays the following message: AWB Ach ACTIVE 1 Set the GAIN, OUTPUT and WHITE BAL switches. 55