safe box Electronic ,Digital Safe Both customer and ... with Master Password (manager use)In locking state, input Master Password, press #, display PASS1~9, after 10seconds ... Master Password, the lock should be in locking state. Input the old Master Password, press #, display PASS1~9, ... * during the display PASS1~9,display CODE, →input new Master Password 112233445566, display GOOD, the Master Password ...