Panasonic VDR-D150GC Operating Instructions Manual

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Panasonic VDR-D150GC Operating Instructions Manual Manual pdf 227 page image

Explanation of termsOthers227LSQT1049Explanation of termsAutomatic white balanceWhite balance adjustment recognizes thecolour of light and adjusts so the white colourwill become a purer white. The unit determinesthe hue of light that comes through the lens andwhite balance sensor, thereby judging therecording condition, and selects the closest huesetting.This is called automatic white balanceadjustment.However, since the unit only stores white colourinformation under several light sources,automatic white balance adjustment does notfunction normally under other light sources.The illustration above shows the range overwhich the auto white balance functions.1) The effective range of automatic whitebalance adjustment on this unit2) Blue sky3) Cloudy sky (rain)4) TV screen5) Sunlight6) White fluorescent lamp7) Halogen light bulb8) Incandescent light bulb9) Sunrise or sunset10) CandlelightOutside of the effective range of automaticwhite balance adjustment, the image willbecome reddish or bluish. Even within theeffective range of automatic white balanceadjustment, the automatic white balanceadjustment may not function properly if there ismore than one light source. For light outsidethe functional automatic white balanceadjustment range, use the manual whitebalance adjustment mode.White balanceThe images recorded by the unit may becomebluish or reddish under the influence of certainlight sources. To avoid such phenomena, adjustthe white balance.White balance adjustment determines the whitecolour under different light sources. Byrecognizing which is the white colour undersunlight and which is the white colour under afluorescent light, the unit can adjust thebalance among the other colours.Since the white colour is the reference for allthe colours (that make up light), the unit canrecord pictures in a natural hue if it canrecognize the reference colour white.10 000K9 000K8 000K7 000K6 000K5 000K4 000K3 000K2 000K1 000K2)1)3)4)5)6)7)8)9)10)LSQT1049(ENG).book 227 ページ２００５年１２月２０日火曜日午後６時４５分