That high pitched noise is probably a warning signal. You
probably put the batteries in backwards or put in the wrong kind of
batteries. make sure they're the right type and all oriented
properly.
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∙ 13y ago
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Q: Why is my electronic diary making high pitched noises.I put in batteries and it started making high pitched noises that sound like an ear ringing.And the buttons won't even work.Is this bad?
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