46 Type 150/400 Autopilot System: Installation GuideControl unit functionalityDrive clutch output:Type 150/150GType 400/400G4 A at 12 V (fuse protected at 4 A)4 A at 12/24 V selectable (fuse protected at 4 A)Drive solenoid return input 5 A at supply voltageSeaTalk output 5 A at 12 V (fuse protected at 5 A)NMEA 0183 v2.3inputs/outputsSee page 36 for information on NMEA 0183 received/transmittedNMEA fast heading output Type 150G and Type 400G transmit fast heading (HDM) from NMEA1 at 10 Hz 0.1° resolutionFuses Standard automotive blade fuses to protect:• power terminals (30 A Type 150/150G; 40 A Type 400/400G)• drive clutch terminals (4 A)• SeaTalk terminals (5 A)CE approvals - conforms to: 89/336/EC (EMC), EN60945:1997WARNING: Contains a possible source of ignition - NOT protected for use inengine compartments.ControlunitCourse computerType 150G/400G Type 150/400 Type 100/300ST7001+ST6001+• Internal GyroPlus yawsensor enables enhancedcourse keeping using AST• Full access to AutoLearn,providing automaticsteering calibration• Improved track-keeping• Steers to true and apparentwind in Wind Vane mode• Improved calibration access• Full basic functionality• Improved track-keeping• Steers to true and apparentwind in Wind Vane mode• Improved calibrationaccess, but withoutAutoLearn• Uses Raymarine steeringalgorithm without AST• Standard functionalityusing Raymarine steeringalgorithm without AST• Steers only to apparentwind in Wind Vane mode• Improved calibrationaccess, but withoutAutoLearnST7000+ST6000+ST600RST80RP650• Enhanced course keepingusing AST• Improved track-keeping• No access to AutoLearn• Full basic functionality• Uses Raymarine steeringalgorithm without AST• Improved track-keeping• Standard functionalityusing Raymarine steeringalgorithm without ASTST7000ST6000• Enhanced course keepingusing AST• Improved track-keeping• No access to AutoLearn• Full basic functionality• Uses Raymarine steeringalgorithm without AST• Improved track-keeping• Standard functionalityusing Raymarine steeringalgorithm without AST• No access to vessel typeset upCourse computer specifications (contd)