Panasonic HPX300 Operating Instructions - Page 52
FBC (Flash Band Compensation) Function, Setting FBC function
UPC - 791871304297
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Chapter 4 Adjustments and Settings for Recording FBC (Flash Band Compensation) Function This camera-recorder comes with a function to compensate for and minimize light band (flash band) interference that occurs with the MOS imager when shooting in an environment where flash photography is taking place. Time flow Flash light NOTE The following phenomena that may occur in video that includes flash light is due to FBC compensation and not indicative of a malfunction. • Moving subjects may appear to be stationary for an instant. • Resolution decreases in video exposed to flash light. • Horizontal lines appear in video footage exposed to flash light. Image recorded (FBC off) Flash band Setting FBC function Assign the FBC function to a USER button. Press the USER button to which the FBC function has been assigned to turn it on and automatically detect and compensate for flash light from still cameras. For details, refer to [Assigning functions to USER buttons] (page 53). USER MAIN, USER1 and USER2 buttons The status display indicates "FBC" when the FBC function is on. *1 TC 1 2 : 3 4 : 5 6 : 2 3 12 P2 LACK I - PAUSE 1394 1080 i AVC-I100 1 9 9 9 min B 9 0% USER - 1 CAC FBC PROXY L T . BOX 6 0 : 2 4PN = = = C H 1 C H 2 ===== 8 3% ND1 FEB 2 5 DRS 1/ 2 5 0 2008 SPOT F5 . 6 P 3 .2 K 0 dB ND 1 23 : 59 : 59 Z99 *1 Not displayed when the menu option OTHER DISPLAY in the DISPLAY SETUP screen is set to OFF. Using FBC FBC goes on when the brightness of the lower half of the image differs markedly from the previous half, which could be caused by light from a camera flash or other strong light source. Since FBC may be incorrectly activated in certain shooting environments, for example, in zooming that includes a bright window, be sure to use the function only for shooting footage exposed to flash light. In some shooting environments adequate FBC effect may not be obtained even when a flash goes off. FBC requirements • The FBC function is available in the 1080/60i, 720/60P (VFR OFF) and 480/60i modes when the shutter off. • Switching to an operating mode other than 1080/60i, 720/60P (VFR OFF) and 480/60i turns FBC off if on. To turn on FBC after returning to 1080/60i, 720/60P (VFR OFF) and 480/60i, press the USER button to which the function is assigned. • Turning the shutter on when the FBC function is engaged temporarily turns it off. The FBC function goes back on when the shutter is later turned off. • Turning the power off disengages the FBC function. 52