3 connecting your computer, 2 basic connector instructions – Lenovo IdeaCentre K430 User Manual
Page 11

6
User Guide
1.3 Connecting your computer
Note: Your computer may not have all of the connectors described in this
section.
1.3.1 Check the position of the voltage-selection switch on
the rear of the computer. Use a ballpoint pen to slide the
switch if necessary.
Note: Some computers do not have a voltage switch. These computers
control voltage automatically.
• If the voltage supply range is 100-127 V AC, set the switch to 115 V.
• If the voltage supply range is 200-240 V AC, set the switch to 230 V.
115
230
1.3.2 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.
Audio line-in connector
Used to receive audio signals from an external
audio device, such as a stereo system. When
you attach an external audio device, a cable is
connected between the audio line-out connector
of the device and the audio line-in connector of
the computer.