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All rights reserved. Text Box: DoorKing, Inc. 120 Glasgow Avenue Inglewood, California 90301 U.S.A. Phone: 310-645-0023 Fax: 310-641-1586 Text Box: Use this manual with the following models only. All 1803PC models with circuit board 1844-010 REV A and B. All 1815 models with circuit board 1840-010 REV D and E. All 1817 models with circuit board 1841-010 REV F and G. DoorKing, Inc. reserves the right to make changes in the products described in this manual without notice and without obligation of