PC-DMIS allows you to delete existing dimensions in two ways:
You can select dimensions in the Edit window and press the Delete key on your keyboard.
You can use the Delete Dimensions dialog box, discussed below.
Delete Dimensions dialog box
The Delete Dimensions dialog box (Edit | Delete | Dimension) lets you permanently remove any dimensions from the measurement routine. This option should be used when a number of unnecessary dimensions need to be removed. The Delete Dimensions dialog box only lists those features above the current cursor position in the Edit window.
Select the dimensions to delete, and then click Delete to mark them for deletion. Click OK to delete items marked for deletion.
Search ID - Selects matching dimensions after you press Tab. For more information, see "Search ID".
Select last # - Selects a number of dimensions from the end of the list. For more information, see "Select Last #".
Delete - Marks the selected items for deletion by placing a text fragment of "del" next to selected dimensions in the list. You can select all the dimensions from the list by clicking Select All. This deletion is not permanent until you click OK.
Undo - Restore all the dimensions that are marked for deletion after clicking Delete. This button does not restore deleted dimensions once you click OK.
Select All - Selects all the features in the list.For more information, see "Select All".
Clear List - Clears any selected features from the list. For more information, see "Clear".