Lenovo 4749 [B545] Personal Computer User Manual


 
7
User Guide
1.6 Connecting your computer
Note: Your computer may not have all of the connectors described in this
section.
1.6.1 Basic connector instructions
Connector Description
Microphone Use this connector to attach a microphone to your
computer when you want to record sound or if you use
speech-recognition software.
Headphone Use this connector to attach headphones to your
computer when you want to listen to music or other
sounds without disturbing anyone.
USB connector Use this connector to attach a device that requires a
USB connection.
Ethernet connector Use this connector to attach the computer to an
Ethernet-type local area network.
HDMI connector
(optional)
Connects to the HDMI connector on your display or TV.
TV-Tuner connector
(optional)
Connects to an external antenna to view programs
using the optional TV tuner card.
AV-in connector
(optional)
Connects to the composite audio and video
connectors on your video device.
Note: If your computer is equipped with a wireless keyboard or mouse,
follow the installation instructions for those devices.