Lenovo 3109 ユーザーズマニュアル
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.
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.
• 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.
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.
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.
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.