The lock tab page is where you enter or update the default information for this manufacturer.
The removable core tab page is for the math required to compute pins and bittings for removable core locks.If R/Core is selected the math information can be entered. This information must be entered correctly for the cores to operate properly.
To insure that the information is correct a test area is provided at the bottom of the page. When you enter change, master and control key bittings the math entered in the page will be applied to the test information for verification.
The pins tab page is where you enter or update the pins depths for this manufacturer.The bitting numbers are calculated based on the information you entered on the previous pages.