NEC MultiSync PA311D User Manual page 34

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Self calibration
This function updates the monitor's internal SpectraView engine color processor to use measurements taken using a supported
color sensor device. These measurements will become the reference for all color settings in the monitor.
When an NEC MDSVSENSOR3 color sensor is connected to the monitor's SENS/MEM port, the monitor takes measurements
and is calibrated automatically. Place the color sensor at the center of the screen and follow the messages displayed.
Otherwise, if using a near-range colorimeter device, measurements must be taken manually with the device and the CIE Y/x/y
values individually entered via the OSD. Y is in units of cd/m
Depending on the monitor usage and other factors, performing a [Self calibration] at least once per year is recommended.
Reset calibration
This deletes the color measurement data created by the [Self calibration] function and returns to the original factory internal
reference color measurement data. All picture modes will automatically be updated.
Validation*
This can be used to determine if the Self Calibration operation should be performed.
It compares measurements taken of various color patches on the screen by the color sensor with the expected values calculated
by the SVE, which uses the current internal reference color measurement data. The result of this comparison is indicated as an
average color difference (dE) value. Larger values mean there is a larger difference between the measurements and the internal
reference. If the dE value is higher than 3.0 , Self Calibration is recommended to update the internal reference color data.
*: The Self Calibration function must have been previously performed before this function is available on the OSD menu.
White copy
This function measures the luminance and white point of the target monitor (A) and sets the values to the current picture mode
of this monitor (B). Using this feature reduces the variation between different displays allowing them to match each other more
closely.
B

OTEE:  •
The supported USB color sensor for SENS/MEM port is MDSVSENSOR3.
 • 
After the monitor is powered on, the "Color stabilizer" function is busy internally and must be warmed up. Calibrating
during this period will affect the calibration quality.
 • 
The results of the [Self calibration] and [Validation] functions are stored in the monitor and can be read by software
on your computer. Setting the monitor's time clock is required for this function. Follow the instructions on the OSD
menu and set the time. After the time is set, the monitor counts automatically while the AC power is active.
 • 
[White copy] will adjust only luminance and white point. For more accurate color matching, please use the
MultiProfiler software. See
USB color sensor
A
SENS/MEM port
Appendix A
for purchase and availability information.
English−30
.
2
B
Display A – Source display of white point to copy.
Display B – This monitor which performs a copy.
A

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