HP DreamColor Z31x User Guide - Page 78
Usage guidelines, Photo Research spectroradiometers, Configuration
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is connected to the display. However, using StudioCal.XML you can specify any cal file for use in calibration, allowing you to store a custom matrix in any location. Usage guidelines Please note the following tips and guidelines when using the Klein K10-A with the display: ● The display may take up to 10 seconds after instrument connection to display the first calibration menu. This is normal for this instrument because it is USB-powered and must boot up before it can respond. ● Direct contact measurement is recommended using the K-10 SF Lens Hood. This allows you to calibrate the display under typical room lighting (though dimmed lighting is still recommended for best black measurements). If using distance measurement, HP strongly recommends that you use a completely darkened environment for calibration. ● If necessary, use ChromaSurf to recalibrate the black level prior to calibration. The K10-A should hold its black level calibration for an extended period, but if recalibration is necessary, it is a very quick procedure. After display calibration, if the display shows the lower grayscale as light gray with little to no shadow definition, then you need to recalibrate the K10-A's black level and recalibrate the display. Photo Research spectroradiometers The display supports the majority of Photo Research spectroradiometers, including the following: ● PR-655 SpectraScan ● PR-670 SpectraScan ● PR-680 / PR-680L SpectraDuo ● PR-730 SpectraScan ● PR-740 SpectraScan The Photo Research instrument must have the USB interface. This is optional on some models but is required for connection to the display. If multiple interfaces are supported by the instrument, the USB communication method must be enabled and active. Configuration These instruments contain a wide number of configuration options, all of which can be set using the touchscreen LCD interface on the back of the instrument. The following table lists the recommended configuration for each display. Minimum firmware version Bandwidth Aperture Adaptive Sensitivity Speed PR 655 3.12 8 nm - Enabled - - PR 670 3.14 - 1 deg Enabled Extended Normal PR 680 3.14 - 1 deg Enabled Extended Normal PR 680L 3.14 - 1 deg Enabled Extended Normal PR 730 3.10 2 nm 1 deg Enabled Extended Normal PR 740 3.14-74X 2 nm 0.5 deg Enabled Extended Normal 68 Chapter 3 Display calibration