NEC MultiSync X551 UHD IGT User Manual page 15

5. If User Account Control windows pops up , click yes
6. When the calibration process begins, touch the middle of each cross that appears
in bold on the screen; crosses shall appear several times in each corner of the screen.
After touching the last cross, the calibration process ends.
NOTE: If the touch is still not precise enough, the whole action can be repeated.
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