User Manual version 2.1
OPEN (660) 120/140/150
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5.5. USB Ports
The OPEN (660) system also provides two USB ports to
connect to external USB devices. Before connecting to
the USB devices, remember to install the device driver
first.
5.6. Audio Interface
The audio interface contains three jacks, microphone-in,
line-in and speaker-out. The microphone-in jack is used
to record sound or voice by connecting to an external
microphone. The line-in jack is used to input audio from
an external audio device such as a CD player, tape
recorder or a radio. The speaker-out jack is to output the
audio to external devices such s speakers or earphones.
The audio device can be directly attached to the jacks.
Please note that the audio driver has to be installed first
before connecting to any audio device.