page 5.16 Rev A September 2008
5. Userware Digital Projection TITAN User Manual
Notes
Read the notes on MCGD,
TCGD and ColorMAX below,
before making any MCGD
settings.
MCGD page
MCGD - Measured Colour Gamut Data - can be used to correct for a number of
environmental variables, for example:
two or more different projectors
lamp age
different lenses
ambient light
screen characteristics
The MCGD measurement procedure
1 On the Show page, select the ColorMAX test pattern.
2 Using a photo-spectrometer, measure the following values:
White x y
3 On the System page, switch off the Green and Blue DMDs.
4 Using a photo-spectrometer, measure the following values:
Red x y
5 Repeat for the Green and Blue x and y values.
6 Enter all the values into the MCGD page, as described on the next page.
Notes on MCGD, TCGD and ColorMAX User settings
TCGD (see the next section)
The parameters entered on the TCGD page establish the target settings that the
projector needs to aim for, in order to give a specified colour gamut.
MCGD (see this section)
The parameters entered on the MCGD page establish the starting settings, from
which the projector will calculate what adjustments are necessary to achieve the
color gamut specified on the TCGD page.
Only one set of MCGD data can be stored on the projector, but many more can be
stored on a computer, and retrieved using the MCGD page controls.
ColorMAX User settings
Only two sets of color gamut parameters can be stored on the projector -
ColorMAX User 1 and ColorMAX User 2 - but many more can be stored on a
computer, and retrieved using the TCGD page controls.
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