Disclosed is a rotary input device, including: a rotary operation device; a storage section to store screen information correlated to a display order; a display control section for displaying the screen and selection items; an item switch instructing section to switch the selection item; and a screen switch instructing section to switch the displayed screen, wherein the selection item is switched in a predetermined selection order when the rotary operation device rotates in one direction and switched in a reverse order when the rotary operation device rotates in the other direction, and the first screen is switched to the second screen when the rotary operation device rotates in the one direction in a state in which a last first selection item is selected and switched to the first screen when the device rotates in the other direction in the state in which a top second selection item is selected.