Technical information

2.7.2.3.4 Geometry Adjustments

Proceed as follows.

1. Select option 3 for Mode 3 timings.

2. Select pattern A, the crosshatch pattern on a black background:

a. Adjust RV304 (Raster Centering) to center the rectangle.

b. Adjust RV303 (Width) for a gap of 11 mm (measured at the

horizontal center line of the screen) between the vertical edges

of the green rectangle and the inner edges of the bezel.

c. Adjust RV302 (East-West Pincushion) to set the most straight

vertical lines.

d. You may have to repeat steps a, b, and c.

3. Using the same test pattern, adjust sequentially RV400 (Vertical

Height) and RV401 (Vertical Centering). Set the picture in the center

of the screen with a gap of 7.5 mm (measured at the vertical center

line of the screen) between the horizontal edges of the green

rectangle and the inner edges of the top and bottom of the bezel.

PS/2 Displays Maintenance Manual

Geometry Adjustments

2.7.2.3.4 - 1