1.1 Before Operating the Telephones1.1.1 For Your SafetyTo prevent personal injury and/or damage to property, be sure to observe the following safety precautions.The following symbols classify and describe the level of hazard and injury caused when this unit isoperated or handled improperly.WARNINGThis notice means that misuse could result in deathor serious injury.CAUTIONThis notice means that misuse could result in injuryor damage to property.The following types of symbols are used to classify and describe the type of instructions to beobserved.This symbol is used to alert users to a specific operating procedure that must not beperformed.This symbol is used to alert users to a specific operating procedure that must be followed inorder to operate the unit safely.WARNINGFor All Telephone Equipment• Do not allow rain to fall on the product or expose the product to moisture. Do not let water, oils, or otherliquids to splash onto the product. Such conditions can lead to fire or electric shock, and may impair theperformance of the product.• Do not place the product on an unstable or uneven surface. If the product were to fall over, it may causeinjury or damage to the product.• Do not allow anything to rest on the power cord. Do not locate the product where the power cord may bestepped on or tripped on.• Do not supply power to a combination of devices that exceeds the total rated capacity of the wall outletsor extension cables used. If outlets, power strips, extension cords, etc. are used in a manner that exceedstheir rated capacity, they emit large amounts of heat, which could cause a fire.1.1 Before Operating the Telephones8 Operating Manual