The existing steady tone could continue to mean “get inside, get info,” and the frequency varying quickly up and down could mean “GET TO THE BASEMENT!”
I wonder whether that’s possible with the existing weather siren hardware? Seems plausible.
The existing steady tone could continue to mean “get inside, get info,” and the frequency varying quickly up and down could mean “GET TO THE BASEMENT!”
I wonder whether that’s possible with the existing weather siren hardware? Seems plausible.
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