Furuno FEA-2807 - List of Alerts; Navigation Alerts

30. Alerts
30-6
30.12 List of Alerts
30.12.1 Navigation alerts
Alert number 320: DEPTH BELOW LIMIT /2/9
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ECHO SOUNDER INDICATES WATER DEPTH
BELOW TRANSDUCER TO EXCEED SPECIFIED
SAFE LIMIT.
Alert number 400: FILTER: POSN UNRELIABLE /1/-
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ECDIS IS NOT ABLE TO ESTIMATE A
RELIABLE POSITION. VERIFY AND SELECT
SPEED AND POSITION SENSORS THROUGH
'SENSORS’ FUNCTION.
Alert number 401: NO SPEED AVAILABLE /1/8
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NO VALID SPEED SENSOR HAS BEEN FOUND.
VERIFY AND SELECT SPEED SEN SORS IN
'SENSORS' BUTTON
Alert number 402: NO HEADING AVAILABLE /1/8
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NO VALID HEADING SENSOR HAS BEEN
FOUND. VERIFY AND SELECT HEADING
SENSORS IN 'SENSORS’ FUNCTION.
Alert number 404: GYRO DATA UNRELIABLE /7/14
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IF YOU HAVE BOTH GYRO1 AND GYRO2
SELECTED AND IF THEY VALUE DIFFERS
MORE THAN 5 DEGREES ALERT IS
GENERATED. VERIFY AND SELECT HEADING
SENSORS IN 'SENSORS’ FUNCTION.
Alert number 405: LOG DATA UNRELIABLE /7/14
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LOG GIVES 0 KN SPEED, WHICH DOES NOT
CORRESPOND WITH OTHER SPEED SENSORS.
VERIFY AND SELECT SPEED SENSORS IN
'SENSORS’ FUNCTION.
Alert number 406: ROUTE: CRS JUMP POSSIBLE /5
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SYSTEM HAS AUTOMATICALLY CHANGED TO
DEAD RECKONING. IF YOU NOW SELECT
"ON" A POSITION SENSOR YOU MAY GET A
JUMP FOR COURSE. CHANGE FROM ROUTE
STEERING TO MANUAL STEERING OR CHECK
POSITION VERY CAREFULLY BEFORE
CHOOSING "ON".