Issue 1 NEC America, Inc.1 - 6 Specifications and Safety InformationS ECTION 4 I MPORTANT ELECTRICAL CONSIDERATIONSWarning!Do not attempt to unplug any appliance during an electricalstorm.Unplug all electrical appliances when you know an electricalstorm is approaching. Lightning can pass through yourhousehold wiring and damage any device connected to it. Thistelephone is no exception.Caution:Changes or modifications to this product not expresslyapproved by NEC America, Inc., or operation of this productin any way other than as detailed by this manual, could voidyour authority to operate this product.RangeThe new telephone is designed to achieve a maximum range ofup to 150 feet (depending upon the environment) bytransmitting and receiving according to the highestspecifications set forth by the FCC. We have rated this phoneto operate at a maximum distance with the qualification that therange depends upon the environment in which the telephone isused. Many factors limit range, and it would be impossible toinclude all of the variables in our rating. The maximum rangerating of this telephone is meant to be used as a means ofcomparison against other range claims.Telephone Line ProblemsThe FCC has granted the telephone company the right todisconnect service in the event that your telephone causesproblems on the telephone line. Also, the telephone companymay make changes in facilities and services which can affectthe operation of your unit. However, your telephone companymust give adequate notice in writing prior to such actions toallow you time for making necessary arrangements to continueuninterrupted service.