Contour MatrixThe new 600 series Monitoring System, is made to meet the requirements of modern boating and recreational vehicles. Electrical installations on-board the modern boat and Recreational Vehicle now incorporate complex AC & DC systems along with extensive tankage for items such as fuel, fresh water, sewage and grey water. Accurate monitoring of such systems is essential, the dot matrix display incorporated in the 600 series allows for more detailed on-screen information and clarity of viewing, The screen has backlighting for easy night time viewing.