Subaru Outback Manuals 2018 Outback Multimedia System Manual | Page 158

TIPS FOR OPERATING THE AUDIO SYSTEM FM AM Fading and drifting stations: Generally, the effective range of FM is about 25 miles (40 km). Once outside this range, you may notice fading and drifting, which increase with the distance from the radio transmitter. They are often accompanied by distortion. Fading: AM broadcasts are reflected by the upper atmosphere — especially at night. These reflected signals can interfere with those received directly from the radio station, causing the radio station to sound alternately strong and weak. Multi-path: FM signals are reflective, making it possible for 2 signals to reach the vehicle’s antenna at the same time. If this happens, the signals will cancel each other out, causing a momentary flutter or loss of reception. Station interference: When a reflected signal and a signal received directly from a radio station are very nearly the same frequency, they can interfere with each other, making it difficult to hear the broadcast. Static and fluttering: These occur when signals are blocked by buildings, trees or other large objects. Increasing the bass level may reduce static and fluttering. Static: AM is easily affected by external sources of electrical noise, such as high tension power lines, lightening or electrical motors. This results in static. Station swapping: If the FM signal being listened to is interrupted or weakened, and there is another strong station nearby on the FM band, the radio may tune in the second station until the original signal can be picked up again. SiriusXM ® (8-inch with Navi system/8-inch system only) ● ● Cargo loaded on the roof luggage carrier, especially metal objects, may adversely affect the reception of SiriusXM ® Satellite Radio. ● ● Alternation or modifications carried out without appropriate authorization may invalidate the user’s right to operate the equipment. 156