1. This particular test checks dc electrical connections, however that cable has something called impedance, it's helpful to check that too.

  2. Excellent video – I have had a problem with TV reception for the last 6 months, and with this video I was able to fix it.

  3. many thanks! this allowed me to sort all my vid cables with my multimeter and save $20+ on another tool that i'd probably never use again. i used a wadded up piece of foil as the way to complete the circuit at the end of the cable (wall outlet).

  4. Not sure why people are saying this is confusing, this is just what I needed, another truck I use is connect a 9v battery to one end using old bunny ear adapters and check voltage on the other end, I use this for cable identification withing the house

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