BenQ Joybook S33 Series User Manual page 12

Connect digital camcorders and high-speed storage equipment
to this IEEE 1394 (FireWire) Port.
Connect USB peripherals to the USB port of your Joybook.
8 Getting started
Output video images on your Joybook to a TV or A/V device
that has an S-Video Input socket by connecting it to the S-Video
Out socket on your Joybook.
Unless you intend to use the sound reproduction output of the
built-in Joybook speakers, you will also need to separately
connect the Joybook audio output socket to an appropriate
sound reproduction device.