Using the AMD Switchable Graphics feature

Some ThinkPad notebook computers support the AMD Switchable Graphics feature.

To achieve the best balance between the computer performance and a long battery life, depending on the graphics quality demand of the running program and the settings of the power plan that you use, the AMD Switchable Graphics feature automatically switches between High Performance Graphics and Energy Saving Graphics, with no need to restart your computer, close programs, or intervene manually.

Using audio features

Your computer is equipped with the following:

•Combo audio connector, 3.5 mm (0.14 inch) in diameter

•Speakers

•Microphone

Your computer also has an audio chip that enables you to enjoy various multimedia audio features:

•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

Note: The combo audio connector does not support a conventional microphone.

The following table shows which functions of the audio devices attached to the connectors on your computer or the supported ThinkPad OneLink Dock are supported.

Table 3. Audio feature list

Connector

Headset with a 3.5 mm

Conventional

Conventional

 

4-pole plug

headphone

microphone

 

 

 

 

Combo audio connector

Headphone and

Headphone function

Not supported

 

microphone functions

supported

 

 

supported

 

 

 

 

 

 

Combo audio connector of the

Headphone and

Headphone function

Not supported

supported ThinkPad OneLink

microphone functions

supported

 

Dock

supported

 

 

 

 

 

 

Configuring for sound recording

To configure the microphone for optimized sound recording, open the Realtek HD Audio Manager window by doing the following:

Open Control Panel. Then click Hardware and Sound ➙ Realtek HD Audio Manager. The Realtek HD Audio Manager window opens.

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.

Chapter 2. Using your computer 39

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Lenovo S540 manual Using the AMD Switchable Graphics feature, Using audio features, Configuring for sound recording
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S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.
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