18CONNECTIONSThe cooling fan dissipates the heat generated inside the unit so that the unit can be operatednormally. The cooling fan is activated automatically to supply cool air to the unit.Please observe the following cautions for your safety.• Make sure the unit is well-ventilated. If the unit has poor ventilation, the temperature inside the unit could rise and may damage it.• Do not obstruct the cooling fan or ventilation holes. (If the cooling fan or ventilation holes are covered with a newspaper or cloth, heat maybuild up inside the unit and fire may result.)Cooling FanFM antenna connectionAM antenna connection1. Connect the FM antenna supplied to the FM 75Ω COAXIAL terminal as a temporary measure.2. Slowly move the antenna wire around until you find a location where reception is good, thenfasten it to a wall or other rigid surface.• If reception is poor, connect an outdoor antenna.Before attaching a 75Ω coaxial cable (with a standard type connector), disconnect the supplied FM antenna.1. Connect the AM loop antenna supplied to the AM and terminals.2. If reception is poor, connect an outdoor single vinyl-covered wire to the AM terminal.(Keep the AM loop antenna connected).