17KX-TG9120FXS/KX-TGA910FXS6 Installation Instructions6.1. ConnectionsBase unitWhen connecting the AC adaptor to the base unit, a shortbeep will be heard. If it is not heard, check the connections.ChargerConnect the AC adaptor to the charger and route the cableas shown. The charger can be mounted on the wall, ifrequired.Note:• Never install telephone wiring during a lightning storm.• The AC adaptor must remain connected at all times. (It isnormal for the adaptor to feel warm during use.)• The AC adaptor should be connected to a vertically orientedor floor-mounted AC outlet. Do not connect the AC adaptorto a ceiling-mounted AC outlet, as the weight of the adaptormay cause it to become disconnected.Location• For maximum distance and noise-free operation, place yourbase unit:- away from electrical appliances such as TVs, radios, per-sonal computers or other phones.- in a convenient, high and central location.6.2. Battery6.2.1. Installation/ReplacementImportant:• Use only the included rechargeable batteries HHR-4EPT.• When replacing batteries, we recommend using the Pana-sonic rechargeable batteries P03P.• Wipe the battery ends ( , ) with a dry cloth.• When installing the batteries, avoid touching the batteryends ( , ) or the unit contacts.