Simrad Cruise-5, ROW Base Chart, 83/200 XDCR is the most innovative and easy to use chart plotter on the market right now. it gives you all you need for a simple to use and uncomplicated GPS- navigation: screen that can be read in sunlight mounting bracket and sonar sensor. You can view charts, navigation and sonar simultaneously on the screen, or separately in full screen mode. The control knob and keypad make it easy to move around in menus, create routes and gain access to temperature, speed, depth and battery voltage.