0:01
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Beep, whoosh, fast
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0:03
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Beep to whoosh
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0:01
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Beep, fast swell
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0:01
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Beep, low buzz
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0:01
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Beep, digital, flutter, vibrato
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0:01
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Beep, feedback buzz, short attack
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0:02
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Morse code with a weak signal. End sentence AAA.
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0:01
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Morse code letter "Z"
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0:01
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Morse code with a weak signal. Letter "A"
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0:02
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Morse code with a weak signal. Call up vvv.
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