For me, it really depends on the device. With my Omron PLCs, I like to watch a short video first just to understand the basic setup and operation, then I switch to the detailed manual for exact specs, wiring diagrams, and troubleshooting tips. It’s like having a map first, then following the GPS for the finer details. You can check out digital manuals here: . Combining both methods usually makes the process much smoother and less stressful, especially with tricky connections.