Kroma

ColourSpace Integration

Kroma calibration is controlled via the Hardware Options menu, accessed via the Profiling window.

Initial Setup

• If required, make sure the correct drivers are installed
  (If necessary, verify via Windows Device Manager)
• Connect the Kroma monitor to the ColourSpace laptop via a USB or network connection as required, as well as a direct video connection with valid signal, and start ColourSpace
• Set the desired set-up options via the Settings menu, as required
• Open a ColourSpace Profiling window, select Hardware Options, and select Kroma from the Hardware drop-down list
• Either select the correct COMs port from the Serial Port drop-down, or select the Network Address window enter the required IP address, and select Connect
  (If an IP address has been entered into the Network Address window it will be used by default)
• To make sure there is no existing calibration data active within the selected Profile/Load/LUT/Slot, and associated colour space selection, etc., select Unity Bypass from the Select LUT option, and press Upload
• Using Calibration Patches select the desired patch option to use for profiling
  (If possible, Automatic uses the patch settings defined within the ColourSpace Settings window, or else the closest available patch settings)
  Note: the keyboard 'O' key can be used within the Manual Measure and Hardware menus to quickly Disable/Enable the TPG

Potentially, when Unity Bypass data is Uploaded all monitor settings will be nullified. Should it be desired that different LUTs and other settings remain as defined, upload a the Default Unity LUT, which uploads just the LUT, and does not reset any additional settings. Set necessary settings, such as Brightness/Contrast/Black-Level, before any LUT Upload.

Profiling Operation

To profile the Kroma monitor with ColourSpace navigate to the desired profiling mode - Manual Measure or Display Characterisation.

The screen of the Kroma monitor will mimic the colour displayed, using the patch settings defined via the Hardware Options and Settings menus.

Profiling can then be performed as normal, using the probe connected to ColourSpace, and with the Kroma screen displaying the required patches.

Alternatively, an external TPG can be used.

• Open a second ColourSpace Profiling window, select Hardware Options, and select the required TPG from the Hardware drop-down list
  (Refer to the relevant TPG User Guide for further operational information)
• The probe must be connected to the same Profiling Window as the TPG

Any patch generator can be used for SDR profiling, including direct HDMI/DVI/DisplayPort connection from the ColourSpace laptop, with HDMI to SDI converter if required. For HDR/HLG/Dolby Vision, if applicable, correct metadata may be required within the video signal, requiring a dedicate TPG or metadata injector, unless the display can be manually forced into the required input format.

TV Legal Profiling Workflows

For Video Range profiling the Patch Scale function within the Settings menu will need to be used to scale the profiling patches correctly, as the patch Generator within the Kroma monitor is always Full Range.

LUT Upload

After profiling, a Calibration LUT can be generated as normal within ColourSpace LUT Tools.

With the LUT still held within ColourSpace navigate back to the Hardware Options menu, and select the desired LUT from within the Select LUT options, and Upload.

TV Legal LUT Upload

After LUT generation the 3D LUT will need to have Video Scale applied, to match the TV Legal range of the monitor, as the LUT needs to have video scale data within a data range LUT.

Calibration Guides

3D LUT Calibration Manual Calibration