Lenovo ThinkPad T440p, User Manual, Page: 53 / 183

Note: The NVIDIA Optimus Graphics feature is only supported on the Windows 7 operating system.
Using audio features
Your computer is equipped with the following items:
• Microphones
• Speakers
• Combo audio connector, 3.5 mm (0.14 inch) in diameter
Your computer also has an audio chip that enables you to enjoy various multimedia audio features, such
as the following:
• Compliant with Intel High Definition Audio
• Playback of Musical Instrument Digital Interface (MIDI) and Moving Picture Experts Group Audio Layer-3
(MP3) files
• Recording and playback of pulse-code modulation (PCM) and Waveform Audio File Format (WAV) files
• Recording from various sound sources, such as a headset attached
The following table shows which functions of the audio devices attached to the connectors on your computer
or docking station are supported.
Table 3. Audio feature list
Connector Headset with a 3.5 mm
(0.14–inch), 4-pole plug Conventional headphone Conventional microphone
Combo audio connector Headphone and
microphone functions
supported Headphone function
supported Not supported
To configure the microphone for optimal sound recording, use the Realtek HD Audio Manager program. To
start the program, go to Control Panel and click
Hardware and Sound ➙ Realtek HD Audio Manager .
Using the camera
If your computer has a camera, you can use the camera to preview your video image and take a snapshot
of your current image.
To start the camera, do the following:
• For Windows 7: Start the Communications Utility program. See “Accessing Lenovo programs on the
Windows 7 operating system” on page 14.
• For Windows 8 and Windows 8.1: Click Camera from the Start screen.
When the camera is started, the green camera-in-use indicator turns on.
You also can use the integrated camera with other programs that provide features such as photographing,
video capturing, and video conferencing. To use the integrated camera with other programs, open one of the
programs and start the photographing, video capturing, or video conferencing function. Then, the camera
will start automatically and the green camera-in-use indicator will turn on. For more information about using
the camera with a program, refer to the help information system of the program.
Configuring camera settings
You can configure the camera settings to meet your needs, such as adjusting the quality of the video output.
Chapter 2
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Using your computer
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