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KODAK Display Manager System V4.1 User’s Guide 27
Before Calibrating
Video Calibration Setup
The Video Calibration tab on the Setup window contains information that is
required to obtain an accurate video match.
Aim Settings
Enter the values for the video space you want to calibrate to (CCIR 709,
SMPTE RP145, or User Defined).
The default values represent a typical NTSC HD display. These values can be
altered for a user defined video space.
• White Point Chromaticity (xy) - Desired white chromaticity. Enter values
in CIE xy.
White Patch
• White Luminance (Y) - Desired white (max neutral code value) luminance
can be measured by a colorimeter or spectrophotometer. Enter the value
in ft-lamberts.
NOTE
Recommended practices for HD/SD video monitors place video legal whites
at a luminance of approximately 30 ftL. Translating video 100% legal white
(code value of 940) to a maximum monitor drive code value of 1023 (10-bit)
yields an absolute monitor white luminance recommendation of
approximately 34 ftL. This high luminance setting may degrade the useful
lifetime of some monitors.
Dark Patch
• To override the video Dark (code value) settings, check Override
Calculated Aims for Dark Patch. The value fields become active and you
can enter new values for Dark Luminance (Y). We recommend using the
default settings.