Sony VPH-D50Q Manuel D'installation page 87

B Vertical line adjustment
If the picture's borders are as shown by the dotted line in the illustrations
below, adjust them with the corresponding arrow key so that they are
parallel (bold lines illustrated on the left).
1
Press the KEY key twice.
The 9 × 9 HATCH pattern appears.
2
Adjust the distortion as illustrated below with the B and b keys.
B :The upper ends of the lines move towards the left
and the lower ends move towards the right while
the center remains unmoved.
b :The upper ends of the lines move towards the right
and the lower ends move towards the left while
the center remains unmoved.
3
Press the PIN key twice.
4
Adjust the distortion as illustrated below with the B and b keys.
B :The upper and lower ends of the lines curve
towards the left while the center remains
unmoved.
b :The upper and lower ends of the lines curve
towards the right while the center remains
unmoved.
5
Repeat steps 1 to 4 until the red vertical lines converge with the green
lines.
87
Adjustments (EN)