I'm buying a boat, and the manufacturer has given me the option of three control systems, I havn't got a clue what any of them are, can someone help explain?<br /><br />1. ke-4 electric remote control sys.<br /><br />2. hydraulic remote control system MC-T4-T 2D<br /><br />3. mechanical engine control sys.<br /><br />if anyone knows what they are, and the pros and cons please let me know,<br /><br />Thanks