Lenovo ThinkPad T470, Руководство пользователя

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Using the smart audio feature
The smart audio feature is supported on some computer models. To help protect against hearing loss, the
feature limits the computer’s maximum wide band true RMS output voltage to 130 mV when a headset or
headphone is connected.
To change the setting, do the following:
1. Go to Control Panel and view by Large icons.
2. Click SmartAudio . In the window displayed, click the Disable Headphone Limiter icon. Then follow the
on-screen instructions.
Using the cameras
Your computer might be equipped with one conventional camera. Depending on the model, your computer
might also support an infrared camera.
This section provides the basic instructions on how to use the cameras.
Using the conventional camera
You can use the conventional camera to take pictures and record videos.
To start the camera, do the following:
• For Windows 7: Start the Communications Utility program. See “Accessing Lenovo programs” on page
12.
• For Windows 10: Open the Start menu and click Camera .
When the camera starts, the camera status indicator nearby turns green, indicating that the camera is in use.
You also can use the conventional camera with other programs that provide features such as photographing,
video capturing, and video conferencing. To use the conventional camera with other programs, open one of
the programs and start the photographing, video capturing, or video conferencing function. Then, the
camera starts automatically and the green camera status indicator turns on. For more information about
using the camera with a program, see the help information system of the program.
You can configure the camera settings to meet your needs, such as adjusting the quality of the video output.
To configure the camera settings, do the following:
• For Windows 7: Start the Communications Utility program and configure the camera settings.
• For Windows 10: Do one of the following:
– Open the Camera app, and click the settings icon in the upper-right corner. Follow the instructions on
the screen to configure the camera settings.
– Open the Start menu and then click Lenovo Vantage ➙ Hardware Settings ➙ Audio/Visual . Locate
the Camera section and then follow the instructions on the screen to configure the camera settings.
Using the infrared camera
Note: The infrared camera is only supported on the Window 10 operating system.
The infrared camera provides a personal and secure way for you to sign in to your computer with face
authentication. After setting the infrared camera for face authentication, you can unlock your computer by
scanning your face instead of using a password.
Chapter 2
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Using your computer
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