The pitch angle (the face rotary angle scope in the vertical): Elevation angle: 20 degrees

Depression angle: 30 degrees

The horizontal rotary angle (the face rotary angle scope in the horizontal): -20～+20 degrees

3.4 McAfee Security Center

McAfee VirusScan Center offers proactive PC security to prevent malicious attacks. It also provides security against multi-pronged attacks by combining anti-virus, anti-spyware and firewall technologies.

Note: Connect to the Internet before activation.

3.4.1 Using McAfee Security Center

Choose All Programs → McAfee → McAfee Security Center from the Start menu to launch the antivirus software.

Or, Double click the McAfee Security Center on the desktop to launch the antivirus software.

3.4.2 Scanning for Viruses

Click Scan on the Security Center home page. Select a task on the Scan Options pane, Click Start to launch the scan program. Upon completion, the software will pop up a system scanning report, which lists all virus files detected, and you can then quarantine or delete them as required.

3.4.3 Check for updates

Click Update on the Security Center home page to check for updates.

Note: Connect to the Internet before upgrading.

3.4.4 Help and Support

For more information on the operation of Security Center, see product help Information in the Help option. In the help document, you can learn more about McAfee Security Center operation and settings.

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Lenovo 53161BU, K3 manual Using McAfee Security Center, Scanning for Viruses, Check for updates, Help and Support
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53161BU, K3 specifications

The Lenovo K3, model number 53161BU, is a smartphone that represents a blend of performance, affordability, and innovative features. Targeting budget-conscious consumers, the K3 combines advanced technology with a user-friendly experience, making it a popular choice in its category.

The Lenovo K3 is powered by a robust Qualcomm Snapdragon processor, specifically designed to provide smooth multitasking and efficient performance. This chipset ensures that users can run multiple applications seamlessly, play games, and stream videos without experiencing significant lag. The device typically comes with 2GB of RAM, allowing for efficient handling of various tasks simultaneously.

In terms of display, the K3 features a 5-inch IPS LCD screen with a resolution of 1280x720 pixels. This resolution provides sharp images and clear visuals, making it ideal for browsing, watching videos, and gaming. The IPS technology ensures wide viewing angles and vibrant color reproduction, enhancing the overall visual experience for users.

Photography enthusiasts will appreciate the K3’s 13-megapixel rear camera, which is capable of capturing high-quality images with excellent detail. The camera is equipped with features such as autofocus and LED flash, ensuring that users can take great pictures even in low-light conditions. The front-facing camera, typically at 5 megapixels, allows for decent selfies and video calling.

One of the standout features of the Lenovo K3 is its battery life. The device is equipped with a 2900mAh battery, providing ample power to last throughout the day, even with heavy usage. This is particularly beneficial for users who rely heavily on their smartphones for social media, navigation, and entertainment.

As for storage, the K3 comes with internal options ranging from 16GB to 32GB, expandable via a microSD card slot, allowing users to store their photos, videos, and apps without worrying about running out of space.

The Lenovo K3 runs on Android, providing a familiar and customizable user interface. It includes a range of connectivity options, including Bluetooth, Wi-Fi, and 4G LTE, ensuring that users stay connected at all times.

Overall, the Lenovo K3, 53161BU, is a well-rounded smartphone that encapsulates modern technological advancements while remaining budget-friendly. Its combination of performance, camera quality, and battery life makes it an attractive option for users seeking value in their mobile experience.
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