2 system set-up code, 1 phone mode or intercom mode, 3 talk time – DoorKing 1812 Classic User Manual

Page 25

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2 system set-up code, 1 phone mode or intercom mode, 3 talk time | DoorKing 1812 Classic User Manual | Page 25 / 46 2 system set-up code, 1 phone mode or intercom mode, 3 talk time | DoorKing 1812 Classic User Manual | Page 25 / 46
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