NEC Display Wall Calibrator system will automatically adjust multiple displays used in a video wall so that the color characteristics closely match, thereby creating the visual illusion of a single large display.
In order to accomplish this, the color characteristics of each display must be individually measured and compared to all of the other displays in the video wall. The optimal settings for each display can then be calculated so thatall the displays will match after calibration.
Since each display will vary in both color and intensity (brightness), due to aging, individual components and tolerances, it is necessary to find the lowest common denominator that all of the displays are capable of collectively achieving.
In other words, the video wall can only be as bright as the dimmest individual display.
The color characteristics of each display are measured using a color sensor, which is connected via USB to a host PC. The sensor is placed on the screen and a series of test patterns is generated and measured. This process is repeated
for all displays.
The host PC does not have to supply any type of video signal to the displays in the video wall, as test patterns are automatically generated within in each display. Communications with each display from the host PC are performed via
either RS232 or LAN (Ethernet).
NEC Display Wall Calibrator is available on Apple Mac OS, and Microsoft Windows.
NEC Display Wall Calibrator communicates with the display monitors directly using either RS232 or a LAN (Ethernet) connection. All adjustments to the display settings are performed automatically using this communications link. It is not necessary to manually configure the displays as all of the necessary settings are made by the software.
Displays are calibrated using internally generated test patterns. This simplifies the operation by allowing calibration to be performed automatically without having to manually select different test patterns during the calibration process, and without the need to connect a PC to the video input of the displays.
Each LCD display monitor supported by NEC Display Wall Calibrator features three internal 10 bit LUTs. These tables allow very precise adjustments to be made to the display’s Tone Response Curve without reducing the number of displayable colors or introducing color banding artifacts.
As well as adjusting the Intensity (luminance) and white point of the displays, the software will also calibrate the grayscale using the internal LUTs of the displays. This means that highly accurate color can be achieved not only at 100% white, but at all steps along the grayscale. A variety of different Tone Response Curves can be applied also, from something as simple as a small simple gamma value to complex custom curves.
Displays can be connected using RS232, LAN, or in combinations of both, to the host PC used to perform the calibration. By using a wireless equipped host PC and LAN, displays can be calibrated without making any physical connections to the host PC.
All display configurations, measurements, and calibration data can be saved as a project file for later reference, re-calibration etc.
Different display monitor calibration projects can be uploaded to each group of displays allowing quick and easy switching between different calibration settings without the need to re-calibrate each display.
A Summary window shows the results of the calibration and the measurement data. This allows for detailed logging and reporting of the calibration procedure.
NEC Display Wall Calibrator provides many features and options that make it flexible enough to be used in a large variety of video applications, including "on set" use in TV studios and full DICOM support for medical imaging.
The software features a Colorimeter function which allows direct measurements to be taken by the color sensor and the results displayed in a variety of different formats.
Video wall sizes from a 1x1 single display, up to 100 displays or up to 30 rows or columns.
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| Operating System | Windows 32 and 64 bit versions of Microsoft Windows 8, Windows 8.1, Windows 10, and Windows 11. | Mac OS 10.13 and higher. |
| Display Resolution | 1024x768 minimum. 1280x1024 recommended. | |
| Supported Color Sensors |
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| USB |
At least one available USB port for the Color Sensor. An active USB extender cable up to 5M (16 feet) in length can be used, if necessary, with some models of the color sensors. USB extender cables should not be used with the X-Rite i1Monitor, X-Rite i1Pro, or X-Rite ColorMunki, or X-Rite i1Studio sensors. |
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| LAN (for supported display models) |
One or more RS232 COM Ports (optional if using LAN). Null modem cables to connect devices. A USB to RS232 adapter can be used if necessary. |
Included on all Macs |
| RS232 |
One or more RS232 COM Ports (optional if using LAN). Null modem cables to connect devices. A USB to RS232 adapter can be used if necessary. |
A USB to RS232 adapter can be used if connecting the Mac to displays via RS232 instead of via LAN. Null modem cables to connect devices. |
| The NEC Display Wall Calibrator kit can be purchased directly from NEC. |
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| Platform | Description | Version | Size |
|---|---|---|---|
| Mac OS and Windows | User's Guide | 2.1.20 | 5.5 Mb |
| Windows | Installer for Windows | 2.1.20 | 44 Mb |
| Windows | README for Windows | 2.1.20 | 21 Kb |
| Mac OS | Application for Mac OS | 2.1.20 | 24 Mb |
| Mac OS | README for Mac OS | 2.1.20 | 18 Kb |
| Mac OS and Windows | USB card update files | 2.1.20 | 82 Mb |
| Platform | Description | Version | Size |
|---|---|---|---|
| Mac OS and Windows | User's Guide | 2.1.10 | 5.5 Mb |
| Windows | Installer for Windows | 2.1.10 | 44 Mb |
| Windows | README for Windows | 2.1.10 | 21 Kb |
| Mac OS | Application for Mac OS | 2.1.10 | 24 Mb |
| Mac OS | README for Mac OS | 2.1.10 | 18 Kb |
| Mac OS and Windows | USB card update files | 2.1.10 | 82 Mb |
| Mac OS and Windows | User's Guide | 2.1.00 | 5.5 Mb |
| Windows | Installer for Windows | 2.1.00 | 44 Mb |
| Windows | README for Windows | 2.1.00 | 21 Kb |
| Mac OS | Application for Mac OS | 2.1.00 | 24 Mb |
| Mac OS | README for Mac OS | 2.1.00 | 18 Kb |
| Mac OS and Windows | USB card update files | 2.1.00 | 82 Mb |
| Mac OS and Windows | User's Guide | 2.0.00 | 5.5 Mb |
| Windows | Installer for Windows | 2.0.00 | 44 Mb |
| Windows | README for Windows | 2.0.00 | 21 Kb |
| Mac OS | Application for Mac OS | 2.0.00 | 24 Mb |
| Mac OS | README for Mac OS | 2.0.00 | 18 Kb |
| Mac OS and Windows | USB card update files | 2.0.00 | 82 Mb |
| Mac OS and Windows | User's Guide | 1.1.40 | 4.2 Mb |
| Windows | Installer for Windows | 1.1.40 | 27 Mb |
| Windows | README for Windows | 1.1.40 | 21 Kb |
| Mac OS | Application for Mac OS | 1.1.40 | 28 Mb |
| Mac OS | README for Mac OS | 1.1.40 | 18 Kb |
| Mac OS and Windows | USB card update files | 1.1.40 | 75 Mb |
| Mac OS and Windows | User's Guide | 1.1.30 | 3.8 Mb |
| Windows | Installer for Windows | 1.1.30 | 27 Mb |
| Windows | README for Windows | 1.1.30 | 21 Kb |
| Mac OS | Application for Mac OS | 1.1.30 | 28 Mb |
| Mac OS | README for Mac OS | 1.1.30 | 18 Kb |
| Mac OS and Windows | User's Guide | 1.1.22 | 3.8 Mb |
| Windows | Installer for Windows | 1.1.22 | 27 Mb |
| Windows | README for Windows | 1.1.22 | 21 Kb |
| Mac OS | Application for Mac OS | 1.1.22 | 28 Mb |
| Mac OS | README for Mac OS | 1.1.22 | 18 Kb |
| Mac OS and Windows | USB card update files | 1.1.22 | 82 Mb |
| Mac OS and Windows | User's Guide | 1.1.10 | 3.8 Mb |
| Windows | Installer for Windows | 1.1.10 | 27 Mb |
| Windows | README for Windows | 1.1.10 | 21 Kb |
| Mac OS | Application for Mac OS | 1.1.10 | 39 Mb |
| Mac OS | README for Mac OS | 1.1.10 | 18 Kb |
| Mac OS and Windows | USB card update files | 1.1.00 | 82 Mb |
| Mac OS and Windows | User's Guide | 1.1.00 | 3.8 Mb |
| Windows | Installer for Windows | 1.1.00 | 27 Mb |
| Windows | README for Windows | 1.1.00 | 21 Kb |
| Mac OS | Application for Mac OS | 1.1.00 | 39 Mb |
| Mac OS | README for Mac OS | 1.1.00 | 18 Kb |
| Mac OS and Windows | User's Guide | 1.0.25 | 2.5 Mb |
| Windows | Installer for Windows | 1.0.25 | 26 Mb |
| Windows | README for Windows | 1.0.25 | 20 Kb |
| Mac OS | Application for Mac OS | 1.0.25 | 36 Mb |
| Mac OS | README for Mac OS | 1.0.25 | 20 Kb |
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