Steering with EMRI Trackpilot •
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Manual steering operations
Course control
Course Control steering mode can be used always, doesn't require any position source
• mode selection COURSE CONTROL
• lamps COURSE CONTROL and COURSE on
• immediate course change when tiller is used to set course
• course change is course controlled with rudder angle limit
Radius control
Radius Control steering mode can be used always, doesn't require any position source
• mode selection RADIUS CONTROL
• lamps RADIUS CONTROL and COURSE on
• immediate course change when tiller is used to set course
• course change is only radius controlled with set radius
• if wind, current etc. effects the ship, the ship will drift away (inside or outside) from planned designed turn
which is displayed on radar screen
Program course change
Program Course Change steering mode can be used always, doesn't require any position source
• mode selection PROGRAM COURSE CHANGE
• lamps PROGRAM COURSE CHANGE and COURSE on
• tiller is first used to set new course and radius, which are also displayed on the radar screen
• START COURSE CHANGES flashes, if new set course is different from currently used set course
• course change is activated by pushing START COURSE CHANGE
• after activation the mode is automatically going back to RADIUS CONTROL
• course change is only course controlled with set radius
• if wind, current etc. effects the ship, the ship will drift away (inside or outside) from planned designed turn
which is displayed on radar screen
Program track turn
Program Track Turn steering mode can be used with Kalman filter and a high precision sensor such as DGPS:
• mode selection PROGRAM TRACK TURN
• lamps PROGRAM TRACK TURN, TRACK and TURN on
• tiller is first used to set new course and radius, which are also displayed on the radar screen
• START COURSE CHANGES flashes, if new set course is different from currently used set course
• course change is activated by pushing START COURSE CHANGE
• after activation the mode will remain PROGRAM TRACK TURN
• course change is track controlled with set radius
• if wind, current etc. effects the ship, the system tries to prevent the ship from drifting away (inside or outside)
from planned designed turn which is displayed on radar screen
Following reasons will lead to alarms with use of Program Track Turn :
• Alarm "2493 ProgTurn: Needs Filter ON", any use of Program Track Turn without Kalman filter.
• Alarm "2495 ProgTurn: Needs Log sens.", any use of Program Track Turn with Kalman filter but without
including an independent speed source (separate log sensor or two position sensors).
• Alarm "2494 ProgTurn: Needs diff Pos.", any use of Program Track Turn with Kalman filter but without a high
precision sensor (an example is DGPS).
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