I recently returned a recently purchased multimeter because it said there was no audible tone. So I bought a more expensive AstroAI tester to find that it ALSO doesn't have what they claim. like hundreds of combinations on ALL SETTINGS to get the sound. but no luck. Set selector switch to ohms position, set knob to ALL settings = (ZEROBEEP during test). I'll reevaluate this AstroAI if they do anything to make it sound. I just received the AstoAI 4000 and I love it. It has SOUND.
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