Turn on, turn off the old monitor:
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Franking machine
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Computer interface, signal read information
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Old computer keyboard
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Closes the CD / DVD tray, Opens
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Closing the laptop cover, Opening
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CD / DVD drive, disc read
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Signal, interference, Modem connection
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The USB flash drive is inserted, removed
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Matrix printer
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Environmental sounds, typewriter, Office work
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Alarm, Computer interface
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Double click computer mouse
★★★★★