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Video: How to Mount Contact Blocks to a Harmony XB4/XB5 22mm Operator

Product Line:
XB4/ZB4 and XB5/ZB5 22mm Operator Push Buttons

Make sure you don't have power to any component during the installation.

1. Attach any contact blocks/lighting module by insterting the bottom plastic nub
2. Then press the contact until the metal hooks attach to the back of the collar.

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