Take special care to follow the safety suggestions listed below.Safety1) The unit should be connected to a power supply only of the type described in the operatinginstructions or as marked on the unit.2) When left unused for a long period of time, the base unit should be unplugged from the householdAC outlet.3) To minimize the possibility of lightning damage when you know that a thunderstorm is coming, werecommend that you:a) Unplug the telephone line cord from the phone jack.b) Unplug the power supply cord from the AC power outlet.InstallationsEnvironment1) Do not use this unit near liquid—for example, near a bath tub, washbowl, sink, etc. Dampbasements should also be avoided.2) The unit should be kept away from heat sources such as heaters, kitchen stoves, etc. It also shouldnot be placed in rooms where the temperature is less than 5°C or greater than 40°C.3) As the AC adaptor needs to be connected to mains power, ensure that AC mains output is locatednearby for easy access.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 are not spilled into the unit. Donot 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 the handset, approach the base unit tolessen the noise.2) The handset should be used at the HIGH volume setting when the reception audio is difficult tohear.3) The handset should be fully recharged on the base unit when “ ” on the display flashes.4) The handset aerial should not be touched during use because of its high sensitivity.5) The maximum calling distance may be shortened when the unit is used in the following places:Near obstacles such as hills, tunnels, undergrounds, near metal objects such as wire fences, etc.Lightning surgeThis unit has already been equipped with a built-in lightning protection circuit. However, werecommend that you install the following options, if your area has frequent lightning strikes.1) Lightning protection on the telephone line2) Lightning protection on the power sourceTo install the above options, please contact your local sales shop.• Lightning damage is not covered in the warranty even if lightning protection is installed. 77Safety InstructionsUseful Information Chapter 5