beautypg.com

Keystone, What int, E. som – JVC CB100 User Manual

Page 68

background image

Chapter 4—Setup Adjustments

4-16

Hughes-JVC Technology Corporation

4.3.5. Linearity (G)

The Linearity adjustment corrects for improper horizontal or vertical grid
spacing on an image. With distorted linearity, lines in the grid are spaced
closer together on one side and farther apart on the other (refer to Figure
4.0-8 Linearity Distortion).

To correct for Linearity Distortion:

1. Select

L

INEARITY

from the G

EOMETRY MENU

.

2. Toggle the RGB

KEY

to select G only.

3. Use the H

IDE KEY

and hide R and B.

4. Use left/right arrows to correct horizontal linearity distortion and

up/down arrows to correct vertical linearity distortion. Make grids the
same width on the left/right side and the same height at the top and
bottom.

5. Use

E

DGE

L

INEARITY ADJUSTMENT

to perform additional linearity

correction.

6. Press

E

SCAPE

/E

NTER

to exit.

Vertical Linearity Distortion. Use up/down arrow keys to correct.

Figure 4.0-8 Linearity Distortion (horizontal and vertical)