10. Color calibration
10.4 Use color temperature to adjust w hite point
About
Color temperature refers to the overall color cast of screen images— slightly reddish, slightly bluish, or neutral. It is a ch aracteristic
of visible light. T he CIE system c haracterizes colors by a luminance parameter Y and two color coordinates x and y which specify
the point on the chromaticity diagram . The color tem perature of a light source is de termined by comparing its chromaticity w ith a
theoretical, heated black -body radiator.
Changing the color temperature of an image can be likened to applying an external photo filter to an image, in that it enables you
to change the physical mood of the film. This feature is useful when projecting images developed for broadcasting where the color
temperature of im ages c an vary g reatly. For mos t professional (studio-shot) films, there sho uld be no need to alter co lor temperature.
The color temperature of the image display can be s et to points along the blackbody curve (values r
anging between 3200K and
9300K). Color steps are done in 100K increments.
All changes to the dis play c olor occur dynamic ally.
The default setting for color temperature is 6500K, which in most typical images will deliver an accurate display of video white.
Color settings can be reset to factory settings at a ny t ime by going to Main Menu — P icture — P icture reset
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601–0307–00 F50 25/02/2016
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