Locks with a combination that can be changed

​How to change / reprogramme the key combination on any of the ranges of 'Camatic' changeable combination locks from Camlock Systems. These include radial pin tumbler cam locks (Series T48 with 12 combinations and Series 4 MkIV with eight combinations), pushlocks, locking inserts, switchlocks, padlocks, shopfitting locks, vending machine locks and cable locks. 

Related video: Eight or twelve locks in one.