User`s guide

Displaying Test Patterns

NOTE: Some AAPM TG18 patterns have variations such as 10%, 50%, and 80%.

To select and display a test pattern

1 Open CXtra Services menu > Test Patterns > View Test Patterns.

2 Click the plus sign (+) next to a test pattern set to see the variations. Then click a pattern

or variation name to display that pattern. (Click Invert to change black to white and

white to black. Not all patterns can be inverted.)

3 Click Hide Dialog to provide a clear view of the pattern. (Press the keyboard Spacebar to

restore the dialog.)

4 Click Close to finish.