NEC GammaCompMD QA Bedienungsanleitung PDF herunterladen (Seite 79)

GammaCompMD QA Client User Manual

Reference Calibration is used to re-adjust either the integrated

front sensor of a display or a MD-N2M5B mounted on top of the

display. To re-adjust a display sensor, both the display sensor and

an external sensor need to be connected. Click the Reference

Calibration button and perform the re-adjustment by following

the displayed messages.

NOTES:

・ The Reference Calibration button is inactive if the selected display either does not

have a front sensor or the serial number of a MD-N2M5B sensor was not selected.

・ MD212G3/MD215MG/MD211G5/MD302C6 models do not support Reference

Calibration! The Reference Calibration button is inactive (grayed out) if one of these

models is selected. Therefore, please ignore the message “Reference Calibration is

highly recommended” for these models.

Instead, please select External Sensor as the Preferred Sensor. The integrated front

sensor of these models is re-adjusted automatically during a calibration using an

External Sensor.

・ Luminance Offset: An integrated front sensor or MD-N2M5B sensor can only

measure luminance in the periphery of the display screen surface. However, due to

the characteristics of an LCD display, there are differences in luminance and color

between the central region and the periphery of the display screen surface. When a

front sensor or MD-N2M5B sensor is being used, it is necessary to re-adjust such

differences (offset) in comparison with an external sensor. In case of integrated front

sensors, this offset is stored in the display itself. In case of the MD-N2M5B sensor, the

offset is stored in GammaCompMD QA Client.

・ Special care using MD-N25B: After the OK button is clicked in the Reinitialize Display

Configuration dialog box, as shown in Figure 89, specify the serial number again. If

this causes the combination of the display and the MD-N2M5B sensor to change then

it is necessary to repeat the reference calibration.

・ Reference calibration cannot be done with an external sensor without color support.

Please also refer to Additional considerations - Using sensor models without color

measurement capability below for details.

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NEC GammaCompMD QA Bedienungsanleitung Seite 79