Computer interface, signals:
-
Opens, closes the CD / DVD tray
-
Turn off the old monitor, Turn on
-
CD / DVD drive, disc read
-
Alarm, Computer interface
-
Closing the laptop cover, Opening
-
Floppy disk reading
-
Signal, interference, Modem connection
-
Repeatedly pressing a computer mouse
-
Computer keyboard
-
Franking machine
-
Manual copy machine
-
Disc read, Opens, closes the CD / DVD tray
★★★★★