Information control unit for navigation system

摘要

The unit has a set processing section (483) that controls a terminal communication section (410) to execute a processing for obtaining updated information. A communication possibility determining section (485) finds whether a communication can be excited and outputs a signal for acquiring the information. The processing section does its operation based on the output from the determining section. Independent claims are also included for the following: (a) method of controlling information for controlling information acquisition with a computing section (b) an information acquisition control program for masking a computing section execute the information acquisition control method (c) a recording medium with an acquisition control program (d) a navigation system.