Lenovo K415 IdeaCentre K4 Series User Guide V2.0 - Page 11

Connecting your computer, the switch if necessary.

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Connecting your computer Note: Your computer may not have all of the connectors described in this section. 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 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. 6 User Guide

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6
User Guide
Connecting your computer
Note:
Your computer may not have all of the connectors described in this
section.
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
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.