1. A navigation apparatus mounted to a movable body, configured to cause a display device to display a map image around a focus spot, and configured to scroll the map image to change a displayed area of the map image in response to movement of the focus spot, the navigation apparatus comprising: a selection item image display section that causes the display device to display a selection item image for receiving a predetermined command execution instruction from a user, wherein the selection item image includes an on-map selection item image that is superimposed on the map image and is scrolled together with the map image, and a fixed selection item image that is fixedly displayed on a display screen and is arranged around or on the map image; a remote control device that includes a manipulation member that is movable in response to user manipulation of the manipulation member to input a movement instruction to the display device so that arbitrary position on the display screen of the display device is pointed to by the manipulation member remotely from the display device by remote control; and an assist force setting section that sets content of an assist force to be applied to the manipulation member, based on an arrangement of the selection item image on the display screen, wherein: the remote control device further includes an assist force generator that applies the assist force to the manipulation member against the user manipulation of the manipulation member according to the content of the assist force set by the assist force setting section; and the assist force setting section sets the assist force such that when the pointed position, which is the position pointed to by the manipulation member, is located in the vicinity of the fixed selection item image, the assist force attracts the pointed position toward a displayed position of the fixed selection item image, while the assist force that attracts the pointed position, which is the position pointed to by the manipulation member, toward a displayed position of the on-map selection item image is not set to the on-map selection item image by the assist force setting section.