Samsung CW21A113NPXXEU Service Manual page 17

Alignment and Adjustments
4-5-2(D) SCREEN CHANGE (I2C BUS GEOMETRIC ADJUSTMENT)
1 V Shift
V Slope
2
3 H EW
4 H Parabola
5 H Corner
4-6
6 V Amp
V SC
7
8
H Trapizium
9
H Symmetry
10
H Shift
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