| 摘要 |
PURPOSE:To set an optimum reception sensitivity in response to the geographical position of a vehicle. CONSTITUTION:Position information 100 fed from a navigation system 12 is inputted to a receiver controller 22 and a receiver controller 22 refers to a geography/gain table 24 to adjust an AGC level and a search level in a search function in response to the position of a vehicle. Thus, 90 optimum reception signal is processed at each district. |
