The RJ11 adapter and digital detector made it easy to locate and repair a short in my camera's power line. Also worked RJ 45 checker and locator. One clue is that loudness is related to the digital signal received by the probe. So if you turn the volume down to the minimum, there will be no signal either. Leave it on and plug in your headphones if volume is an issue. Write to the company to find out how to get there. They are available in English. flashlight. nice addition.
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