Home Products Testimonials Support Company Web Links Home Screen Pumps And Lights Screen AC Power Screen DC Power Screen Tank Screen Security Screen DAU - 94 Controller DAU - 94 Controller Specifications Tug Krystal Sea Screen Tug Pacific Titan Tug Westrac Second ER Controller Screen Tug Triumph Engine Room Controller Screen Puget Sound Pilots Controller Screen Customers Frequently Asked Questions Warranty About Us Our System Web Links State of the Art Boat Alarm System, Tugboat Alarm System, Ship Alarm System Tank Screen: This screen shows the level of the tanks in gallons. The Day Tank is Alarming on low level. The Fresh Water Tank is Alarming on low level. The Black Water Tank is Alarming on high level.