Interface Kit NavPilot 700 Series to Yamaha Helm Master The FAP6310 is an optional interface kit that can be connected to the NavPilot 700 series, allowing it to control the Yamaha Helm Master system. The Yamaha Helm Master system consists of an NMEA2000 based network called EVC (Electric Vessel Control), and the system is controlled electrically. The NAVpilot 700 is interfaced with the EVC via two units: Autopilot Gateway and Interface Unit. The Autopilot Gateway and Interface Unit make up the FAP6310.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Specifications: Type: Parts; Box Dimensions: 5"H x 9"W x 19"L WT: 3 lbs; UPC: 611679357212;