For Your SafetyTo reduce the risk of injury, loss of life, electric shock,fire, malfunction, and damage to equipment or property,always observe the following safety precautions.Explanation of symbolsThe following symbols are used to classify and describethe level of hazard and injury caused when thedenotation is disregarded and improper use isperformed.WARNINGDenotes a potential hazard that could result inserious injury or death.CAUTIONDenotes a hazard that could result in minor injury ordamage to the unit or other equipment.The following symbols are used to classify and describethe type of instructions to be observed.This symbol is used to alert users to a specificoperating procedure that must not beperformed.This symbol is used to alert users to a specificoperating procedure that must be followed inorder to operate the unit safely.WARNINGGeneral SafetyDo not disassemble this unit. Dangerouselectrical shock could result. The unit mustonly be disassembled and repaired byqualified service technicians.Never attempt to insert wires, pins, etc. intothe vents or other holes of this unit.To prevent possible fire or electric shock, donot expose this unit to rain or moisture.If damage to the unit exposes any internalparts, immediately disconnect the cable orcord. If the power is supplied from the networkto the IP-PT [Power-over-Ethernet],disconnect the Ethernet cable. Otherwise,disconnect the AC adaptor cord. Then returnthis unit to a service center.This handset earpiece is magnetized and mayretain small ferrous objects.The use of excessive sound volume throughearphone, headphones, or headsets maycause hearing loss.Disconnect this unit from power outlet/theEthernet cable if it emits smoke, an abnormalsmell, or makes unusual noise. Theseconditions can cause fire or electric shock.Confirm that smoke has stopped and contactan authorized service center.InstallationDo not use this unit near water, for example,near a bathtub, washbowl or sink. Dampbasements should also be avoided.The unit should only be connected to a powersupply of the type described in the OperatingInstructions or as shown on the label on theunit.PlacementCare should be taken so that objects do notfall onto, and liquids are not spilled into, theunit. Do not subject this unit to excessivesmoke, dust, moisture, mechanical vibration,shock, or direct sunlight.Do not place heavy objects on top of this unit.Document Version 2010-01 Operating Instructions 9For Your Safety