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16. Color calibration
16. COLOR CALIBRATION
About this chapter
This chapter describes the luminance and color calibration process for the DPxK-BLP series. Where applicable references are made
to the user guide of the Communicator for detailed menu navigation instructions. The
fi
rst chapter describes the complete calibration
process in chronological order.
Color calibration should be executed during the installation of the projector and also after some service ac-
tions as mentioned in the service manual.
Overview
•
•
•
16.1 Calibration process
Overview
1. Select the desired aspect ratio by activating the correct lens
fi
le.
-
SCOPE
format
-
FLAT
format
2.
Laser white point calibration
.
The Communicator contains a wizard for white point calibration. See user guide of the Communicator for detailed menu naviga-
tion instructions.
3.
Color gamut calibration
. (electronic P7 correction). Measured values are saved in the Measured Color Gamut Data (MCGD)
fi
le. Needs to be done per format and per projection mode.
-
2D
-
External 3D
4.
Select target colors
. The target colors are stored in the Target Color Gamut Data (TCGD)
fi
le. Several TCGD
fi
les are already
available in the
fi
le system of the projector.
For more info about color gamut calibration see "Color gamut calibration", page 156. The Communicator software contains a
wizard for color gamut calibration. See user guide of the Communicator for detailed menu navigation instructions.
5.
Verify corrected colors
.
For detailed instructions on how to verify corrected colors see user guide of Communicator.
6.
Arrange calibration
fi
les in macro
. To apply correct color calibration it is important that the MCGD
fi
le(s) and matching TCGD
fi
le(s) are activated after that the INPUT
fi
le and PCF
fi
le are activated. For that it is recommended to create a macro where the
fi
les are loaded one by one in the right order:
a) First activate the
INPUT
fi
le.
b) then activate the
PCF
fi
le (PCF already contains plane 1 information),
c) then activate the
MCGD
and
TCGD
fi
les.
For detailed instructions on how to create a macro see Communicator’s user guide.
16.2 White point calibration
About white point calibration
White point calibration should be executed to correct a color shift during dimming. The white point will be stabilized over the full
dimming range.
Necessary tools
•
Spectroradiometer.
•
Communicator software.
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