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T e s t i n g, Test procedures, Close door detection (optional) – Chamberlain LM21XP User Manual

Page 10: Warning caution warning warning

T e s t i n g, Test procedures, Close door detection (optional) | Warning caution warning warning | Chamberlain LM21XP User Manual | Page 10 / 16 T e s t i n g, Test procedures, Close door detection (optional) | Warning caution warning warning | Chamberlain LM21XP User Manual | Page 10 / 16