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4 entry codes, 1 programming entry codes, 2 erasing individual entry codes – DoorKing 1820 Telephone Intercom User Manual

Page 37: 3 erasing all entry codes

4 entry codes, 1 programming entry codes, 2 erasing individual entry codes | 3 erasing all entry codes | DoorKing 1820 Telephone Intercom User Manual | Page 37 / 63 4 entry codes, 1 programming entry codes, 2 erasing individual entry codes | 3 erasing all entry codes | DoorKing 1820 Telephone Intercom User Manual | Page 37 / 63