Operating Environment; Lenovo Programs - Lenovo ThinkPad Yoga 15 User Manual

Heat output
• 45 W (154 Btu/hr) maximum
• 65 W (222 Btu/hr) maximum
Power source (ac power adapter)
• Sine-wave input at 50-60 Hz
• Input rating of the ac power adapter: 100-240 V ac, 50-60 Hz

Operating environment

This section provides information about your computer operating environment.
Environment:
• Maximum altitude without pressurization: 3048 m (10 000 ft)
• Temperature
– At altitudes up to 2438 m (8000 ft)
– Operating: 5.0°C (41°F) to 35.0°C (95°F)
– Storage: 5.0°C (41°F) to 43.0°C (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 pack, its temperature must be at least 10°C (50°F).
• Relative humidity:
– Operating: 8%-80%
– Storage: 5%-95%
If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine.
Keep electrical appliances such as an electric fan, a radio, an air conditioner, and a microwave oven away
from your computer. The strong magnetic fields generated by these appliances can damage the monitor and
data on the hard disk drive or hybrid 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
.
Chapter 1 Product overview
15