BenQ Joybook A53 Series User Manual page 11

Connect an earphone to the audio output socket to output
sounds.
Connect a microphone to the microphone input socket to
record sounds.
Use the optical drive to access data on various kinds of discs and
enjoy movies or music.
Connect a telephone line to the modem port of your Joybook
and dial-up to the Internet or send a fax.
Getting started 7