AT&T Calypso User Manual page 209

Damage requiring service
Unplug the product from the electrical outlet and refer servicing to an
authorized service technician or provider under the following conditions:
• Liquid has been spilled or an object has fallen into the product .
• The product has been exposed to rain or water .
• The product has been dropped or damaged .
• There are noticeable signs of overheating .
• The product does not operate normally when you follow the operating
instructions .
Avoid hot areas
The product should be placed away from heat sources such as radiators, heat
registers, stoves, or other products (including amplifiers) that produce heat .
Avoid wet areas
Never use the product in a wet location .
Avoid using your device after a dramatic change in temperature
When you move your device between environments with very different
temperature and/or humidity ranges, condensation may form on or within
the device . To avoid damaging the device, allow sufficient time for the
moisture to evaporate before using the device .
NOTICE: When taking the device from low temperature conditions into a
warmer environment or from high-temperature conditions into a cooler
environment, allow the device to acclimate to room temperature before
turning on power .
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