Sony PCG-SRX99 - Manual (Page 71)

To connect a projector
You can use a projector as an external display, such as the Sony LCD Projector.
You can connect a projector using the supplied Display adapter.
1. First make sure the port replicator is connected to the computer.
2. Plug one end of the VGA signal cable (not supplied) into the port replicator's Monitor port, and the other end into
the projector's corresponding port.
3. Plug the audio cable into the Headphone jack.
Connecting a Projector
See the manual supplied with your projector for more information on its installation and use.
You may not be able to display the computer's LCD and the external display together, depending on the specific computer
display or projector used.
Connect the AC adapter after you finish connecting all other peripheral devices. Turn on all the peripheral devices before
you turn on the computer.
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