Apple iPod touch iOS 5.1 - Manual (Page 140)

Apple and the environment
At Apple, we recognize our responsibility to minimize the environmental impacts of our
operations and products. For more information, go to: www.apple.com/environment
iPod touch operating temperature
If the interior temperature of iPod touch exceeds normal operating temperatures, you may
experience the following as it attempts to regulate its temperature:
iPod touch stops charging. Â
The screen dims. Â
A temperature warning screen appears. Â
Important: You can’t use iPod touch while the temperature warning screen is displayed.
If iPod touch can’t regulate its internal temperature, it goes into deep sleep mode until it
cools. Move iPod touch to a cooler location and wait a few minutes before trying to use
iPod touch again.
140 Appendix B Support and Other Information