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Retro-Reflective Photocell (Item No. LM104B) User Manual Thank you for purchasing the Retro-Reflective Photocell (LM104B). It is designed to be used as a reversing sensor for automatic garage door, vehicle swing gates and parking barriers. It is very easy to install and use with reliable performance.
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Installation WARNINGS ★ Do not touch un-insulated cables unless they are disconnected upstream. Do not install the sensor during storms with lightning. ★ If the cable is subjected to flexing, a coiled section should be used with a bending radius that prevents 90 degree bends in angle. Install the photocell over the height of 20cm.
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