Lenovo B470E manual Liquid crystal display LCD notice, Using headphones or earphones

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DANGER

Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following.

Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.

Liquid crystal display (LCD) notice

CAUTION:

For products with mercury-containing fluorescent lamps (for example, non-LED)

•The fluorescent lamp in the liquid crystal display contains mercury; dispose of according to local, state, or federal laws.

•The LCD is made of glass, and rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any symptoms are present after washing, get medical care.

Using headphones or earphones

If your computer has both a headphone connector and an audio-out connector, always use the headphone connector for headphones (also called a headset) or earphones.

CAUTION:

Excessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of the equalizer to maximum increases the earphone and headphone output voltage and the sound pressure level. Therefore, to protect your hearing, adjust the equalizer to an appropriate level.

Excessive use of headphones or earphones for a long period of time at high volume can be dangerous if the output of the headphone or earphone connectors do not comply with specifications of EN 50332-2. The headphone output connector of your computer complies with EN 50332-2 Sub clause 7. This specification limits the computer’s maximum wide band true RMS output voltage to 150 mV. To help protect against hearing loss, ensure that the headphones or earphones you use also comply with EN 50332-2 (Clause 7 limits) for a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 50332-2 can be dangerous due to excessive sound pressure levels.

If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5 Limitation Values). Using headphones that do not comply with EN 50332-1 can be dangerous due to excessive sound pressure levels.

Additional safety information

DANGER

Plastic bags can be dangerous. Keep plastic bags away from babies and children to avoid danger of suffocation.

Notice for tablet personal computer users

Safety notice for users in Australia

© Copyright Lenovo 2011, 2012

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Contents Lenovo B470e and B570e User GuideThird Edition June Copyright Lenovo 2011 Contents Ii User Guide Protect yourself from the heat that your computer generates Read this firstPrevent your computer from getting wet Protect the cables from being damagedProtect your computer and data when moving it Important safety informationConditions that require immediate action Handle your computer gentlyService and upgrades Safety guidelinesExtension cords and related devices Power cords and power adaptersPlugs and outlets General battery notice Power supply statementExternal devices ViiLithium coin cell battery notice Rechargeable battery noticeHeat and product ventilation Laser compliance statement Electrical current safety informationAdditional safety information Using headphones or earphonesLiquid crystal display LCD notice Do not connect phone line while using tablet mode Top view Getting to know your computerLeft-side view Front view Right-side viewSpecifications for Lenovo B470e SpecificationsBottom view Specifications for Lenovo B570e User Guide Learning the basics Checking battery status Using ac power adapter and batteryCharging the battery Putting your computer into sleep state or shutting it downHandling the battery Removing the battery packUsing the keyboard Using the touchpadNumeric keypad For Lenovo B470eFor Lenovo B570e Function key combinationsKey combination Description Using a flash media card not supplied Connecting external devicesConnecting a universal serial bus USB device Removing a flash media cardSystem status indicators Connecting a Bluetooth device on some modelsEnabling Bluetooth communications on your computer Special keys and buttonsAttaching a security lock not supplied Securing your computerUsing the Nvidia Optimus Graphics feature Using passwordsSwitching the Graphics Processing Unit User Guide Wired connection Connecting to the InternetWireless network technology connect without wiring Hardware connectionWireless connection Software configurationUsing Wi-Fi/WiMAX on some models Enabling wireless connectionSoftware configuration User Guide Lenovo OneKey Rescue system Using Lenovo OneKey Recovery in Windows 7 operating systemUser Guide Frequently asked questions TroubleshootingDisplay problems TroubleshootingPassword problem Problem SolutionComputer screen problems Sleep or hibernation problemsSound problems Hard disk drive problem Battery problemsStartup problem OneKey Rescue system problemsPriority Order list User Guide Appendix A. CRU instructions Replacing the batteryHandling a hard disk drive Replacing the hard disk driveAppendix A. CRU instructions Replacing a memory module Removing the optical drive on some models User Guide Wireless interoperability Wireless related informationAppendix B. Regulatory information Usage environment and your healthExport classification notice Safety information related to Mobile BroadbandElectronic emissions notices Industry Canada Class B emission compliance statement Federal Communications Commission FCC StatementUser Guide China Weee statement Important Weee information Appendix C. Weee and recycling statementsJapan recycling statements Disposing of Lenovo computer components Recycling information for BrazilBattery recycling information for the European Union User Guide Ukraine RoHS China RoHS Turkish RoHSIndia RoHS

B470E specifications

The Lenovo B470E is a budget-friendly laptop that caters to both personal and professional users seeking a reliable computing solution. With its sleek design and functional features, it stands out as a practical choice for anyone needing a dependable device for everyday tasks.

At the heart of the Lenovo B470E lies a robust Intel processor, typically ranging from Core i3 to i5, which delivers impressive performance for a wide array of applications. The laptop is well-suited for multitasking, allowing users to run multiple programs simultaneously without significant slowdowns. Its efficient processing capabilities ensure smooth operation whether you’re browsing the internet, streaming videos, or working on documents.

One of the notable features of the B470E is its 14-inch display, which provides ample screen space while maintaining portability. The display typically comes with a resolution of 1366 x 768, offering decent clarity for most tasks. Additionally, it features anti-glare technology, reducing reflections and providing a comfortable viewing experience in various lighting conditions.

The keyboard of the B470E is designed for comfortable typing, featuring a full-sized layout with a numeric keypad. The keys are well spaced and provide a satisfactory tactile response, making it an excellent choice for users who spend long hours on their laptops. Furthermore, the laptop incorporates a multi-touch trackpad, enabling intuitive navigation and gesture controls.

Storage options for the Lenovo B470E often include a traditional hard disk drive (HDD), typically starting from 500GB. This ample storage capacity accommodates a large volume of files, documents, and media. In some models, users can opt for a solid-state drive (SSD), providing faster data access and improving overall system responsiveness.

Connectivity is another strong point for the B470E, as it features various ports, including USB 2.0, USB 3.0, HDMI, and VGA outputs. This versatility allows users to connect external devices such as printers, projectors, and additional storage solutions without hassle.

Additionally, the Lenovo B470E offers essential wireless connectivity options, including Wi-Fi and Bluetooth, enabling seamless connection to networks and peripherals.

In terms of battery life, the B470E is designed to last through a full workday under normal usage conditions, making it a reliable companion for users on the go.

Overall, the Lenovo B470E presents a balanced combination of performance, portability, and value, making it an ideal choice for students, professionals, and casual users alike. Its blend of essential features and user-friendly design ensures that it meets the demands of everyday computing tasks efficiently.
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