2 master code, Beep, Last 4-digits of the control board serial number – DoorKing 1812 Classic User Manual

Page 22

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2 master code, Beep, Last 4-digits of the control board serial number | DoorKing 1812 Classic User Manual | Page 22 / 46 2 master code, Beep, Last 4-digits of the control board serial number | DoorKing 1812 Classic User Manual | Page 22 / 46
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