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The DoorTech© Commercial Operator Troubleshooting
DVD is a great tool to have.
Commercial Operator Troubleshooting is a single-module DVD that
covers fundamentals of common components, testing components, wiring
diagrams and schematic drawings, UL 325, and general troubleshooting.
Produced for IDA by IDEA, the program shows the differences and
similarities between electro-mechanical and logic-based operators.
Featuring Roy Bardowell and Dan Dombkowski, the 48-minute video is
ideal for supplementing training.
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