Sony VPH-G90E Installation Manual page 112

Adjusting the Registration
112
(GB) Adjustments
B Vertical line adjustment
If the vertical line of the picture is as shown by the dotted line in the
illustrations below, adjust it with the corresponding arrow key so that it is
perpendicular to the horizontal line (bold line illustrated on the left).
1
Press the BOW key.
The CROSS HAIR pattern appears.
You can also change to the 9 × 9 HATCH pattern by pressing the
PATTERN key.
2
Adjust the distortion as illustrated below with the B and b keys.
B :The upper and lower ends of the vertical line
curve towards the left while the center remains
unchanged.
b :The upper and lower ends of the vertical line
curve towards the right while the center remains
unchanged.
3
Press the SKEW key.
4
Adjust the distortion as illustrated below with the B and b keys.
B :The vertical line rotates counter-clockwise,
rotating around the center.
b :The vertical line rotates clockwise, rotating around
the center.
5
Repeat steps 1 to 4 until the red vertical line converges with the green
line.
Each time you press the BOW or SKEW key, the COARSE mode and
FINE mode are selected alternately, and you can use the two modes
appropriately. The adjustment data is stored for each mode separately.
While you hold down the arrow key in the FINE mode, "f" is
displayed around the adjustment position.