Color iQC Help - X-Rite

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as equivalent to the standard in shade. This is accomplished by allowing you to enter both lower and upper tolerances for each of the five values included for these settings (DL*, Da*, Db*, DC*, DH* -- These selections are only available when CIELAB is the selected color space. The selections for Hunter Lab and FMC-II are DL, Da, Db and DLf, DRGf, and DYBf, respectively.) You may only enter upper and lower tolerances when the Block Range is set to one. A higher setting for Block Range will cause the System Default Tolerances area to only display entered tolerances as plus/minus, that is, the dimensions of the rectangle will be symmetrical with respect to the standard. This option is illustrated below. Notice also that the Pass/Fail and the Margin fields are once again available. How to Set Pass/Fail Tolerances <strong>Color</strong> iControl has been designed to allow color evaluation in a variety of industrial settings. Because of this, some of the controls governing color tolerancing can be quite complicated. Once aspect that can be very confusing is 14
the textile industry's practice of shade sorting, i.e., not only determing whether a piece is on-shade or not, but also sorting the samples so that each one can be grouped with others very close in color, yet all still on-shade to the standard. This process is completely uneccessary for many of the other applications of Quality Control. For those users who do not need any form of shade sorting, the main setting that needs attention is the "Block Range" option found in the QC Settings dialog box. For textile users, this box determines how the 555 shade sorting method will be applied by the software. See Advanced QC Settings for more options. For non-textile users, this feature should be set to a value of one (1). Setting the Block Range to one basically turns off the shade sorting features. Once the Block Range is set to one, the other settings governing a basic pass/fail system of tolerancing can be put into place. Selecting whether you wish to use CIELab's DEcmc equation, simple DE, or rectangular coordinates can be done using the available drop-down list. Once the equation is selected, enter the pass/fail value as well as a pass/fail margin in the fields provided. The margin value is used to determine questionable passing samples that are still within tolerances but outside the margin value. For example, if you set your tolerances to one DEcmc and your margin to 0.10, then a sample falling 0.95 DEcmc away from your sample would be marked as questionable. Important Note: To see Pass/Fail icons or the Pass/Fail column in the Standard/Multi-Trial view, the “Pass/Fail”Margin” attribute must be selected for display in the view’s Properties… dialog. Setting Tolerances for Individual Standards --- DEcmc, Logical and Statistical Tolerancing Tolerances set through the Quality Control Settings tab will be applied globally throughout the program. However, in many instances, users may need to set tolerances for individual standards with each standard having different tolerances. When this is the case, the tolerances will need to be set for that standard through the Stored Tolerances tab of the standard's Properties... dialog. (When using tolerances stored with the standard, remember to set the program to retrieve tolerances from the standard in the QC settings dialog.) You may enter in the desired tolerances by hand or use the automatic options. The first automatic option allows you to set the program to use tolerances based on the CIELab DEcmc equation. Just click on the "Calculate from DEcmc" and the program will automatically calculate the tolerances. The second automatic option is Statistical Tolerancing. This option requires that at least ten trials be selected in the job (this provides a sufficiently large data set). Enter a Sigma limit in the field provided and click on the Compute Statistical Tolerances button. 15
Page 1 and 2: Color iMatch Textiles Help PDF file
Page 3 and 4: Getting Started Edit Default System
Page 5 and 6: Default Toolbar File --- This field
Page 7 and 8: Concentration Units --- This select
Page 9 and 10: etween a sample and the target The
Page 11 and 12: Settings Options This tab of the Se
Page 13: The image below shows the QC tab wh
Page 17 and 18: The center box, within which the st
Page 19 and 20: Desktop Management Desktop Manageme
Page 21 and 22: This tab allows you to select to cr
Page 23 and 24: Change System Settings - Selecting
Page 25 and 26: Opens a dialog box which allows you
Page 27 and 28: This button will sort the data by n
Page 29 and 30: Spectro Management Install or Confi
Page 31 and 32: 31 The third dialog in the installa
Page 33 and 34: 33 If you had a calibration file fo
Page 35 and 36: the different types of measurements
Page 37 and 38: 37 Calibration Mode Properties Dial
Page 39 and 40: A second field, deCMC Limit, allows
Page 41 and 42: You must edit the file prior to its
Page 43 and 44: one with small area view), you will
Page 45 and 46: Measuring Data from the Instrument
Page 47 and 48: In addition, some items in the Stan
Page 49 and 50: Percent When measuring primary data
Page 51 and 52: You may automatically average a set
Page 53 and 54: This option is primarily intended f
Page 55 and 56: Data Management Recalling Data from
Page 57 and 58: However, if you are using the name
Page 59 and 60: Once the possible matches to your s
Page 61 and 62: Select the data type you wish to de
Page 63 and 64: 63 Once you have selected the desir
Page 65 and 66:
user groups you wish merely by typi
Page 67 and 68:
Spectral Data This tab will allow y
Page 69 and 70:
Tolerances Used This tab will displ
Page 71 and 72:
Paste buffer to current recipe ---
Page 73 and 74:
If you wish to select only a portio
Page 75 and 76:
Once the item is in the “Selected
Page 77 and 78:
Y --- Represents a standard or samp
Page 79 and 80:
OJ_Index --- This index was develop
Page 81 and 82:
and third (2,3) illuminants. You ma
Page 83 and 84:
Formulation/How To Preliminaries to
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85 Other configurations are availab
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If you wish to view all of the form
Page 89 and 90:
In addition, a separate sort column
Page 91 and 92:
Formulation Settings/Textiles Formu
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Evaluation --- There are two settin
Page 95 and 96:
This value controls the graphical d
Page 98 and 99:
Primary Evaluation How to Evaluate
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place the cursor on the image until
Page 102 and 103:
Selecting the Primaries 1. Place yo
Page 104 and 105:
4. Deleted for Storage Limit -- Thi
Page 106 and 107:
Correction/How To Correct a Formula
Page 108 and 109:
Process Type allows you to select w
Page 110 and 111:
Column Three - Correction Factor [C
Page 112 and 113:
eSubmit/How To eSubmit and Extended
Page 114 and 115:
The path fields following the radio
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Now that you have the Submit view,
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Taper Tool/How To Setup the Taper C
Page 120 and 121:
Methods of Tapering and Grouping Li
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122 you may let the program auto-se
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New Job-- This command opens a new
Page 126 and 127:
Recall Settings -- This option reca
Page 128 and 129:
Status Bar -- When selected, this o
Page 130 and 131:
The second option, "Manage", brings
Page 132 and 133:
Setup SLI-Taper parameters --- This
Page 134:
134 for use. In addition, the Licen
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Color iQC Help - X-Rite

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