Version 1.0 - 9 -4.2.2 Replacing old Master cards with New Master cardsThere are two ways to delete the lost Master card and register new Master card inthe lock.(1) Using Maintenance Cardཛ Read the master cards (all Master cards to be used in a lock) to registerin each lock at Maintenance menu in LOS programཛྷ Put the Maintenance card to the reader, and download the master cardchip numbers to the Card.ཝ Put the Maintenance card to the locks, then, new Master cards will beregistered to the lock, and lost master card will be blocked.(2) Using Owner Cardཛ Delete the old master card registrations in the lock (refer to the 4.1) withOwner Card.ཛྷ Put new master cards to each lock so as to register new master cards.Then, old master card you lost will not be used.☞ All existing Master cards needs to be registered again together with newMaster card because all master card registrations were deleted if Owner cardis used.