The Decca FishMaster FS (Sonar Fish Finder) is more than just a sonar fish finder, it enables fisherman to display high quality electronic charts with detailed user-generated data such as successful tows, known fishing hazards and bad ground. The FishMaster flat screen is a high resolution, space saving flat panel LCD that provides comfortable viewing in full sunlight and the ability to dim the display to avoid dazzle even in the middle of the night. The FishMaster display unit may be desk-top, deck head or panel mounted for optimum viewing position. The FishMaster has been designed to be easily installed on all sizes of vessels.