HP DreamColor Z27x User Guide 1 - Page 60

Introduction to Color Calibration, HP DreamColor Z27x Advanced User Guide

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Level 1 Level 2 Factory Reset Back Level 3 Sync Width Pixels (H / V): Total Pixels (H × V): Horizontal Rate (KHz): Vertical Refresh Rate (Hz): Pixel Clock (MHz): Polarity (H / V): Format: Scan Mode: Level 4 Introduction to Color Calibration The Z27x includes an internal color calibration and color management engine and does not require software to be installed on a host computer in order to be calibrated. The following section discusses the fundamentals of user calibration on the Z27x. A detailed discussion of calibration is covered in the HP DreamColor Z27x Advanced User Guide. The Z27x has been pre-calibrated at the factory to accurately display six of the most-frequently used industry standard color spaces. In addition, all color spaces presets can be recalibrated by the user. The following table lists the out-of-the box calibrated color space presets and provides information on their calibrated configuration. Preset Name sRGB sRGB D50 AdobeRGB BT.709 BT.2020 DCI P3 Red Primary (u'v') 0.451, 0.523 0.451, 0.523 0.451, 0.523 0.451, 0.523 0.557, 0.516 0.496, 0.526 Green Primary Blue Primary (u'v') (u'v') 0.125, 0.563 0.175, 0.158 0.125, 0.563 0.175, 0.158 0.076, 0.576 0.175, 0.158 0.125, 0.563 0.175, 0.158 0.056, 0.587 0.159, 0.126 0.099, 0.578 0.175, 0.158 White Point D65 D50 D65 D65 D65 P3 Gamma sRGB sRGB 2.2 2.4 2.4 2.6 Luminance 250 cd/m2 250 cd/m^2 250 cd/m2 100 cd/m2 100 cd/m2 48 cd/m2 As a display is used, the backlight ages and the light output changes. As a result, a color-critical display must be recalibrated from time to time to ensure color accuracy. HP recommends that the Z27x be recalibrated every one thousand hours of use. The number of hours since calibration can be displayed via the Display Information option in the Main Menu of the OSD or via the Show Display Information command. HP supports a variety of color measurement instruments, from inexpensive solutions that sell for a few hundred dollars to colorimeters and spectroradiometers costing tens of thousands of dollars. The following measurement instruments are supported: 52 Chapter 4 Operating the Monitor

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Level 1
Level 2
Level 3
Level 4
Sync Width Pixels (H / V):
Total Pixels (H × V):
Horizontal Rate (KHz):
Vertical Refresh Rate (Hz):
Pixel Clock (MHz):
Polarity (H / V):
Format:
Scan Mode:
Back
Factory Reset
Introduction to Color Calibration
The Z27x includes an internal color calibration and color management engine and does not require
software to be installed on a host computer in order to be calibrated. The following section discusses
the fundamentals of user calibration on the Z27x. A detailed discussion of calibration is covered in the
HP DreamColor Z27x Advanced User Guide
.
The Z27x has been pre-calibrated at the factory to accurately display six of the most-frequently used
industry standard color spaces. In addition, all color spaces presets can be recalibrated by the user.
The following table lists the out-of-the box calibrated color space presets and provides information on
their calibrated configuration.
Preset Name
Red Primary
(u’v’)
Green Primary
(u’v’)
Blue Primary
(u’v’)
White Point
Gamma
Luminance
sRGB
0.451, 0.523
0.125, 0.563
0.175, 0.158
D65
sRGB
250 cd/m
2
sRGB D50
0.451, 0.523
0.125, 0.563
0.175, 0.158
D50
sRGB
250 cd/m^2
AdobeRGB
0.451, 0.523
0.076, 0.576
0.175, 0.158
D65
2.2
250 cd/m
2
BT.709
0.451, 0.523
0.125, 0.563
0.175, 0.158
D65
2.4
100 cd/m
2
BT.2020
0.557, 0.516
0.056, 0.587
0.159, 0.126
D65
2.4
100 cd/m
2
DCI P3
0.496, 0.526
0.099, 0.578
0.175, 0.158
P3
2.6
48 cd/m
2
As a display is used, the backlight ages and the light output changes. As a result, a color-critical
display must be recalibrated from time to time to ensure color accuracy. HP recommends that the
Z27x be recalibrated every one thousand hours of use. The number of hours since calibration can be
displayed via the Display Information option in the Main Menu of the OSD or via the Show Display
Information command.
HP supports a variety of color measurement instruments, from inexpensive solutions that sell for a
few hundred dollars to colorimeters and spectroradiometers costing tens of thousands of dollars. The
following measurement instruments are supported:
52
Chapter 4
Operating the Monitor