Section 2 – programming, Before you start, 1 programming the master code – DoorKing 1838 Telephone Access Plus User Manual

Page 19

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Section 2 – programming, Before you start, 1 programming the master code | DoorKing 1838 Telephone Access Plus User Manual | Page 19 / 43 Section 2 – programming, Before you start, 1 programming the master code | DoorKing 1838 Telephone Access Plus User Manual | Page 19 / 43
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