Using Audio Features; Using The Camera - Lenovo ThinkPad L540 User Manual

Note: The NVIDIA Optimus Graphics feature is only supported on the Windows 7 and Windows 8 operating
systems.

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:
• Playback of MIDI and MP3 files
• Recording and playback of PCM and 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
Combo audio connector
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 20.
• For Windows 8: 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.
To configure the camera settings, do the following:
Headset with a 3.5 mm
(0.14–inch) 4-pole plug
Headphone and
microphone functions
supported
Conventional headphone
Headphone function
supported
Chapter 2
Conventional microphone
Not supported
.
Using your computer
41