Volvo Trucks North America, Inc. Date Group No. Page
Service Bulletin 4.2004 392 08 8(47)
Electrical Interference
Electrical interference signal disruptions may come from
electrical fields near high tension power lines, vehicle
electrical devices or other high power radio signals.
Strong FM band signals are usually not affected by
electrical interference.
Atmospheric Interference
A loss of sensitivity (especially from stations more than
25 miles away) may be due to atmospheric conditions. An
increase in sensitivity for a short period may be due to a
complementing atmospheric alignment.
Electrical storms will cause atmospheric interference,
especially in the AM band.
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