Specifications

P26

Grid

Full screen grid with black/white intervals of 1/3/6/12

pixels.

P26: 1 pixel

P27: 3 pixels

P28: 6 pixels

P29: 12 pixels

P27

P28

P29

Application

This pattern is mainly used for checking and aligning dynamic and corner

convergence of TVs or monitors.

P30

Running H

Full screen lled with lines of H characters, a new

line of H will run from upper left corner and ll down

when a line is completed.

Application

This is the special test for test/video motion verication and refreshing rate.

P31

Circle

Black circles on white background, 640x480 has 4 by

3 total 12 circles, 800x600 has 5 by 3 total 15 circles,

1024x768 has 6 by 4 total 24 circles,

Application

It’s suited for checking the overall linearity and geometry of the screen of a

monitor or TV.

P32

Black/White Up/Down

Full screen lled with upper half of 100% white and

lower half of 100% black.

Application

This pattern is for brightness control and purity checking. Also, to do the

white setting and synchronization.