Pressing a keypad, input error sound:
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Signal read information, Computer interface
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Jet printer
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Bios, Sound signal of a bios computer
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Office work, general noise
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Computer keyboard
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Opens, closes the CD / DVD tray
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Turn on, turn off the old computer
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Old computer keyboard
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Turn off the old monitor, Turn on
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Franking machine
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The USB flash drive is inserted, removed
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Double click computer mouse
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