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The first standard e is always enabled. The other two standards must be enabled for the results to appear on the Calcheck. To enable, select the tab and tick the Target checkbox. For each standard, specify the limits used for a pass and fail status. For e, also choose which of the e standards are to be used – deltaE, CIE94 or CIE2000. Important Note: The correct standard to be tested must be selected and saved with the chart. Only that standard will be tested for a pass or fail. If you want to check another standard, change it here and save it again. For example, if you are checking deltaE and you want CIE2000, you will need to change it, save and re-­‐measure. The limits are: •
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Average – For all the patches in the chart that will be measured by Calcheck, the average must be below this value for a pass. Maximum – This is the default value used when creating or importing patches. This value is only used for assigning maximum tolerance for the import. When the target is measured, the tolerance set per patch is the one used to determine a pass or fail status. Standard (Std) Deviation – The standard deviation across all the patches must not exceed this value. This is only available in the e standard. The Calcheck will only report a pass if all targets are achieved in the patch set (and therefore the proof or monitor). •
Patches Per Strip – Specify how many patches are printed per line, allowing the use of existing target standards such as the Fogra Media Wedge. Spectrophotometer Use one of the supported online instruments to measure colours directly into the Calcheck Chart. To measure colours: 1.
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Select an instrument from the dropdown menu and click on Activate. The device must be connected and turned on. Follow the on-­‐screen instructions, as some devices require calibration before measuring. When complete, click the Turn Off button. If the Lab text option is chosen, you will be prompted to choose a file to import. The format must be Lab values, space or tab delimited and no header information. Note: If importing characterisation data from one of the ICC profile packages or colour standards, use the Import Patches From Files option. Patches This section of the Calcheck Chart window displays the patches in the set. Each patch shows its respective colour, name and Lab values. There is also a patch type and the tolerances for each standard. The tolerances are assigned when the patches are created or imported and are based on the settings on the left. A tolerance setting can be altered by selecting the colour and entering a new value in the relevant box. The Chart type can be altered via the dropdown menu above the patches and a Press ICC Profile will appear if allocated. The Press ICC Profile button only becomes available for CMYK chart types. Search Above the patches list is a search box. Enter a string to filter out any patches not required and locate those that are. All fields within the panel are searched. The search can be inverted using CMD+SHIFT+I (Mac) or CTRL+SHIFT+I (Win). The box will appear black when the inverted search is enabled. Serendipity Blackmagic User Manual – Version 5.2 23