| 摘要 |
A portable navigation device where a map being displayed on a display section is fixed by performing map stop operation at a portable navigation terminal where an appropriate map is selected and displayed so as to correspond to the speed of movement. A portable navigation terminal (10) has speed detecting means (104) for detecting the speed of movement of the terminal, a map data request/acquisition section (105) for requesting, according to the movement speed detected by the speed detecting mean, different kinds of map data to an information distributing server and acquiring the map data, and an operation section (16) having a map stop button for stopping, at a desired time point during the movement, change in the kind of map displayed on display means. The portable navigation terminal (10) further has manual scroll means (164), a zoom-in button (162), and a zoom-out button (163) that have the function of the map stop button. |
