User's Manual

Appendix
109
Operating conditions
r
Take at least a 10 minute break every hour.
r
Avoid using the computer in dark locations. Use the computer
with as much ambient light as you would when reading a
book.
r
Indirect illumination is recommended. Use a curtain to
prevent reflections and glare on the screen.
r
While operating a computer and talking on the phone, use a
headset. Using the computer while holding a phone on your
shoulder or with your neck may lead to muscle strain or injury.
r
Keep frequently used items within reach.
r
Use the computer only within the temperature and humidity
ranges specified in this manual.