5.1 Safety InstructionsDECT Portable Station 1739. Do not store this product, or the battery provided with or identified for use with this product, in hightemperature areas. Batteries that are stored in a freezer or refrigerator for the purpose ofextending shelf life should be protected from condensation during storage and defrosting.Batteries should be stabilised at room temperature prior to use after cold storage.For Best PerformanceOperating Range1. The range of operation depends on the topo-graphy of your office, weather or usage conditions,because signals are transmitted between the Cell Station (CS) and the PS by radio waves.2. Normally, you will get greater range outdoors than indoors. If there are obstacles such as walls,noise may interfere with your telephone calls. In particular, high metal shelves or reinforcedconcrete walls will shorten your operating range.3. A PS may not work if used in places that are too far from the CS depending on the structure of thebuilding.NoiseOccasional noise or interference may occur due to other sources of electromagnetic radiation, suchas refrigerators, microwave ovens, faxes, TVs, radios, or personal computers.If noise affects your telephone calls, keep the PS away from other electrical appliances.WARNINGTO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN OR ANYTYPE OF MOISTURE.