Furuno FEA-2807 - Page 466

30. Alerts
30-36
Alert number 471: RC/NAV-TC STOP - USE AUTO /4/11
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ECDIS AND TOKYO KEIKI AUTOPILOT CANNOT
PERFORM TRACK STEERING MODE. FIRST
CHANGE MODE FROM "RC" TO "AUTO"
THEN CHECK THAT PRECONDITIONS
FOR ROUTE STEERING ARE FULFILLED.
Alert number 475: ROUTE: NEEDS FILTER ON /3/10
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THIS IS A WARNING THAT YOU ARE USING
ROUTE STEERING WITHOUT FILTERED
POSITION AVAILABLE. VERIFY AND
SELECT POSITION SENSORS IN 'SENSORS'
Alert number 476: ROUTE: NEEDS LOG SENSOR /3/10
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THIS IS A WARNING THAT YOU ARE USING
ROUTE STEERING WITH ONE POSITION
DEVICE AND WITHOUT ANY LOG DEVICE.
VERIFY AND SELECT SENSORS IN'SENSORS'
Alert number 478: ROUTE: NEEDS GOOD POSIT. /3/10
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THIS IS WARNING THAT YOU ARE USING
GoSEA STEERING MODE WITHOUT
DIFF. POSITION AND POSITION
DISCREPANCY LIMIT BETWEEN PRIMARY
AND SECONDARY SENSORS IS EXCEEDED.
THIS IS REPEATED EVERY 2 MINUTES
UNTIL AFTER 10 MINUTES "ALERT 497"
APPEARS.
Alert number 480: TRACKPILOT RECEIVE ERROR /5/12
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TRACKPILOT AND ECDIS CANNOT COMMUNICATE
TOGETHER. CHANGE STEERING MODE TO
'AUTO'.
Alert number 485: ROUTE: WPT PREWARNING /5 or /7
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WAYPOINT IS SOON BEING APPROACHED.
Alert number 488: TRACK CONTROL STOPPED /3
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TRACKPILOT AND ECDIS CANNOT COMMUNICATE
TOGETHER. CHANGE STEERING MODE TO
'AUTO'.
Alert number 489: ROUTE: CHG TO GOTO GOSEA /5
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IF ALERT 492 OR 507 HAS BEEN
VALID FOR 10 MINUTES. STEERING MODE
IS AUTOMATICALLY CHANGED TO GOTO GOSEA
Alert number 490: DISABLED: NEEDS LOG SENS. /3
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'RC'STEERING MODE CAN BE USED
ONLY WHEN THERE IS AN INDEPENDENT
SPEED SOURCE. ALTERNATIVES ARE A
LOG OR TWO POSITION RECEIVERS