Sony VAIO VAIO Notebook Computer User Manual page 61

Connecting projector
Headphones
Note the following:
See the manual that came with your projector for more information on
installation and operation.
You cannot use the Monitor port on your notebook when the docking station is
connected to the notebook.
To select a display
When you connect an external display to the monitor port, you can press Fn+F7
to toggle the output between the Liquid Crystal Display (LCD), the external
monitor, or both devices. See "Selecting the Display Mode"for more
information.
To
Audio cable
RGB signal cable
Connecting an External Display
Projector
Power cord
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