Patent ID: 8913066

Claim:
An information display device installed in a ship, comprising: a controller including hardware configured to execute a plurality of software applications including an application for displaying an image of a target object around the ship as the information image based on a signal from a radar antenna, and an application for displaying a nautical chart of a region around the ship as the information image; a user interface including a hardware component configured to receive a user instruction for the controller; and a display unit for simultaneously displaying an application selection menu item for allowing a user to select one of the applications an application proprietary menu item that is used during execution of a selected application, along with an information image created by execution of the selected application, and navigation information including at least one of a speed, a position, and a heading of the ship, wherein the display unit is configured to display the information image, the application selection menu item, the application proprietary menu item, and navigation information at substantially the same respective positions on a display screen of the display unit over information of the application for displaying the image of the target object around the ship as the information image based on a signal from the radar antenna when the application for displaying the target object is displayed, and over information of the application for displaying the nautical chart of the region around the ship as the information image, when the application for displaying the nautical chart the nautical chart is displayed.