Lenovo ThinkPad X240, Руководство пользователя

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Battery life
• For the percentage of remaining battery power, check the battery-status icon in the Windows notification
area.
Operating environment
This section provides information about the operating environment of the computer.
Environment
• Maximum altitude without pressurization: 3048 m (10 000 ft)
• Temperature
– At altitudes up to 2438 m (8000 ft)
– Operating: 5.0°C to 35.0°C (41°F to 95°F)
– Storage: 5.0°C to 43.0°C (41°F to 109°F)
– At altitudes above 2438 m (8000 ft)
Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F)
Note: When you charge the batteries, the temperature must be at least 10°C (50°F).
• Relative humidity:
– Operating: 8% to 95% at wet bulb: 23
℃
(73
℉
)
– Storage: 5% to 95% at wet bulb: 27 ℃ (81 ℉ )
If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine.
Attention: Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner,
and microwave oven away from your computer. The strong magnetic fields generated by electrical
appliances can damage the motor and data on the hard disk drive or solid-state drive.
Do not place any beverages on top of or beside the computer or other attached devices. If liquid is spilled on
or in the computer or an attached device, a short circuit or other damage might occur.
Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage.
Lenovo programs
Your computer comes with Lenovo programs to help you work easily and securely. The available programs
might vary depending on the preinstalled Windows operating system.
To learn more about the programs and other computing solutions offered by Lenovo, go to:
http://www.lenovo.com/support.
Accessing Lenovo programs on the Windows 7 operating system
You can access Lenovo programs on the Windows 7 operating system through Windows Search or from
Control Panel. The icon name displayed in the search result or Control Panel might be different from the
program name. You can find the program by its program name or icon name as shown in the
Lenovo
programs available on the Windows 7 operating system table.
Note: If you do not find the program you need, open the Lenovo ThinkVantage
®
Tools program to find the
dimmed icon for the program. Then double-click the icon to install the program.
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User Guide