3) test the protector system, 4) test the safety reverse system, Warning – Chamberlain Series 1200 User Manual

Page 26: Adjustment step 4, Adjustment step 3

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3) test the protector system, 4) test the safety reverse system, Warning | Adjustment step 4, Adjustment step 3 | Chamberlain Series 1200 User Manual | Page 26 / 36 3) test the protector system, 4) test the safety reverse system, Warning | Adjustment step 4, Adjustment step 3 | Chamberlain Series 1200 User Manual | Page 26 / 36
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