Lenovo T560, User Manual, Page: 29 / 186

• 45 W (154 Btu/hr) maximum
• 65 W (222 Btu/hr) maximum
Power source (ac power adapter)
• Sine-wave input at 50 to 60 Hz
• Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz
Operating environment
This section provides information about the operating environment of your 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 battery, its 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, air conditioner, and microwave oven away
from the computer. The strong magnetic fields generated by these appliances can damage the motor
and data on the storage 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.
Note: The available programs are subject to change without notice.
To learn more about the programs and other computing solutions offered by Lenovo, go to:
http://www.lenovo.com/support
Accessing Lenovo programs
To access Lenovo programs on your computer, do the following:
1. Click the Start button to open the Start menu. Locate a program by the program name.
Chapter 1
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Product overview
13