58Safety InstructionsTake special care to follow the safety suggestions listed below.Safety1) The unit should be connected to a power supply only of the typedescribed in the operating instructions or as marked on the unit.2) When left unused for a long period of time, the base unit should beunplugged from the household AC outlet.InstallationsEnvironment1) Do not use this unit near water— for example, near a bathtub,washbowl, sink, etc. Damp basements should also be avoided.2) The unit should be kept away from heat sources such as radiators,kitchen range, etc. It also should not be placed in rooms where thetemperature is less than 5°C (41°F) or greater than 40°C (104°F).3) The AC adaptor is used as the main disconnect device, ensure thatthe AC outlet is located/installed near the unit and is easily accessible.Placement1) Do not place heavy objects on top of this unit.2) Care should be taken so that objects do not fall onto, and liquids arenot spilled into, the unit. Do not subject this unit to excessive smoke,dust, mechanical vibration or shock.3) Place the unit on a flat surface.For best performance1) If noise prevents the conversation from being understood at thehandset, approach the base unit to lessen the noise.2) The handset should be used at the HIGH volume setting when thereception tone is difficult to hear.3) The handset should be fully recharged on the base unit when“Recharge battery” is displayed and/or “ ” flashes.4) The handset antenna should not be touched during use because of itshigh sensitivity.5) The maximum calling distance may be shortened when the unit isused in the following places: Near obstacles such as hills, tunnels,undergrounds, near metal objects such as wire fences, etc.