L:Output Logic Low (Vol)
C:Clock pin
1:Input Logic High (Vih)
0:Input Logic Low (Vil)
2.4.2Edit Pattern
This selection is used for editing a test pattern in the library. When you are in the Test menu, click on Edit Pattern. This brings up the Select Chip to Edit dialogue box. It consists of Select Type input line, a Device List viewer, and the OK and Cancel buttons. You can enter the device name into the input line, or select from the list viewer. Upon acceptation of the device name, the software opens the edit window with the name of the device at the top. You may now use the above information to edit your pattern.
Figure20 .Edit Pattern
2.4.3 Delete Pattern
This selection deletes a test pattern in the library. Click on the Delete Pattern