Samsung CW21C33WS8XXEG Service Manual page 23

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