Why Does the Orange Backlight Trigger at 80VAC on My KAIWEETS Digital Multimeter?

I noticed my KAIWEETS multimeter’s orange backlight suddenly turns on when I measure around 80VAC. It’s confusing because the manual doesn’t explain this threshold clearly, and you might think something is broken. In my experience, this isn’t a malfunction — it’s a built-in safety indicator for live circuits. The orange glow acts as a warning … Read more