PROBLEM TO BE SOLVED: To easily and quickly select a target agreeing with user's desire by indicating a place to drop in on the running way to destination or a destination place in priority order. ;SOLUTION: When a user inputs by voice a target category, surveying coordinates range and other surveying standard, a target existing in a specified range around the standard position automatically set is surveyed. What agree with the specified surveying standard on the surveyed target is selected, weighing according to the specified surveying standard is done and priority order of the target is determined and the surveyed target is indicated in the priority order. The user, referring to the indicated priority order, registers the desired target. It is also possible that a map screen is switched by specific operation by indicating a list screen like the figure is indicated before a map screen in the case the surveying target and the priority order are indicated. Then on, navigation destined to the registered target is conducted.;COPYRIGHT: (C)2000,JPO
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