SP-80 - Control Head Only For boaters who know where they're going. SP-80 takes you where you want to be--effortlessly. Its smart, precise piloting gives you the extra hand on deck you've always needed. And the operation is a snap: Simply set the course and the SP-80 takes the controls, piloting you to your destination with ease and precision. So bait the lines or simply enjoy the sunset. With the SI-TEX SP-80 Autopilot you're right on course. Hands free, and ready to go. Features: * Designed for Outboard, Inboard, and Sterndrive vessels with Hydraulic or Mechanical steering systems. * Automatically pilots to your next waypoint using built-in NMEA 0183 Loran/GPS interface. * Waterproof control head easily installs flush or surface mounted. * System can be expanded by adding fully functional second-station option with the SI-TEX SP-70 Handheld Control Unit. * Bold, backlit display with ten levels of brightness for clear reading in any light. * Accurate digital displays of rudder angle and operating mode in use, constantly giving you up-to-the minute operating status. * Automatic Sea State and Trim controls and 10 selectable levels of rudder sensitivity with high and low speed settings for smooth, precise steering. * Rudder feedback verifies autopilot's commands. * Ghost Rudder backup allows autopilot to use memory of rudder movements to calculate new movements in event of rudder feedback failure. * Heading Output feature allows you to stabilize radar display. * Built-in diagnostics and self tests, plus visual and audible alarms. * Power Steering mode offers convenient push-button steering. Stand-By mode for manual steering situations. * Optional analog Rudder Angle Indicator for easy, at-a-glance reading of exact rudder position. * Works with solenoid valves also.