=== Locked by [[User_Rights|user rights]] ===
If a user does not have the necessary right to write to, or even read the contents of an object this object appears locked. This can apply to groups of objects, single objects or even properties of objects.
=== Unlock by Code code scanning ===
A classification that locks an [[SYSCLS_UNLOCK_BY_SCAN|object]] or [[SYSCLS_UNLOCK_GROUP_BY_SCAN|group of objects]] until a certain code is scanned. After the unlock code is scanned it is remembered for 15 minutes allowing access to the locked object.