Sony PCG-FX390K - Manual (Page 56)

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Connecting a Universal Serial Bus (USB) Device
You can connect USB devices such as an external mouse, keyboard, speaker, and
microphone to your notebook.
To connect a USB device
The following steps describe the procedure for connecting a USB mouse to your
notebook. Use the same procedure for connecting all USB devices.
1 Locate the USB device identified by the symbol.
2 Plug one end of the USB cable into this port and the other end into the USB
device.
You can use an optional Sony USB mouse PCGA-UMS1 series (not supplied)
with this notebook. Since the USB mouse software driver is preinstalled in the
notebook, you simply plug the USB mouse into the USB port to use it. One USB
port supports one USB device.
See the manual that came with your USB device for more information on its
installation and use.
Connecting USB device to USB port
To
USB device
USB
USB connecting cable
(optional)