2 system parameter programming, 1 phone / intercom mode, 2 single or multiple systems – DoorKing 1812 Plus User Manual

Page 24: 3 system attention number, 4 single or double ring

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2 system parameter programming, 1 phone / intercom mode, 2 single or multiple systems | 3 system attention number, 4 single or double ring | DoorKing 1812 Plus User Manual | Page 24 / 53 2 system parameter programming, 1 phone / intercom mode, 2 single or multiple systems | 3 system attention number, 4 single or double ring | DoorKing 1812 Plus User Manual | Page 24 / 53
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