Turn on, turn off the old monitor:
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Environmental sounds, typewriter, Office work
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Alarm, Computer interface
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Signals, Computer interface
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Computer simulated laser
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Matrix printer
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Closes the CD / DVD tray, Opens, disc read
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Pressing a keypad, input error sound
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Old computer keyboard
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Laser printer
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Franking machine
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General noise, Office work
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Repeatedly pressing a computer mouse
★★★★★