Turn on, turn off the old monitor:
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Computer interface, signal read information
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Double click computer mouse
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Environmental sounds, Office work, typewriter
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Read, room noise, Hard disk, write
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Alarm, Computer interface
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Signal, Modem connection, interference
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Closes the CD / DVD tray, Opens
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Office work, general noise
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Turn on, turn off the old computer
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Computer simulated laser
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Jet printer
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Franking machine
★★★★★