[. . . ] To prevent fire or shock hazard, do not expose the unit to rain or moisture. You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. [. . . ] A built-in amplifier that makes the reception like it is used at outdoors. When using ICF-SW100S/SW100E with the active antenna The power supply of the antenna controller is linked to the power supply of the radio, but this may not work properly. Using ICF-SW10 or ICF-SW77 with the active antenna We do not recommend using ICF-SW10 or ICFSW77 with this antenna. Do not leave the unit in the location near heat source, or in a place subject to direct sunlight, excessive dust, or mechanical shock. ⷠUse the unit within a temperature range of 0°C to 40°C (32°F to 104°F). ⷠDo not use the unit where there is high humidity like the bathroom. ⷠWhen you are not going to use the unit for a long period of time, remove the batteries to avoid damage from battery leakage and corrosion. ⷠWhen you are not going to use the unit for a long period of time, put it away. Battery life on dry batteries When the batteries become weak, the POWER lamp dims. When the batteries get exhausted, the POWER lamp goes off with the operation. [. . . ] ⷠYou may not get best reception if the long cord of the antenna controller is kept near the radio. ⷠKeep the radio and antenna controller away from the TV, telephone, personal computer and flourescent lamps to avoid noise interference. [. . . ]