The Clipper Compass Repeater has all the features of the master unit and an independent off course alarm.Steer to course functionWhen the steering function is selected a series of chevrons accumulate showing the magnitude and direction of the steering error. To stay on course simply turn the wheel in the direction of the chevrons until they are extinguished. The steering sensitivity can be preset by the user. An off course alarm provides a safety feature when not at the helm. If the heading deviates by more than a preset amount then the alarm will sound.Technical Specifications: Adjustable Damping 1 degree display resolution Display case size 110 x 110mm Depth behind panel 30mm Complete with 5 meter cable, &';O&'; ring and weather cover This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner&';s Manual (pdf)