Functionality  leve!  1

Functionality  level  2

Function

Input  information

Output  information

1.7.2  Compare  data  and
criteria

•  Result  information  from  1.7.1
•  Accuracy  of  all  input  variables
•  Plausibility  criteria

•  Statement  concerning  the  consistency  and  plausibility ­
  of  the  measured  values

1.7.3  Assess  result  of
comparison

•  Result  information  from  1.7.2
•  Consistency  criteria

•  Is  a  measured  value  usable?

1.7.4  Selection  of  data  to
be  provided

•  Result  information  from  1.7.1
•  Result  information  from  1.7.3

.  DEPTH*

1.7.5  Provision  of  data

•  Result  information  from  1.7.4

•  Representation  of  the  selected  measured  value  for
the  navigator
•  Display  if  measured  values  inconsistent
•  Provision  of  measured  values  for  further  processing

2.  Determine  derived  state
variables

2.1  Determine  course
over  ground

2.1.1  Provide  data  and
criteria

•  See  Table  3

•  Different  CMG X

2.1.2  Compare  data  and
criteria

•  Result  information  from  2.1.1
•  Accuracy  of  all  input  variables
•  Consistency  of  all  input  variables
•  Plausibility  criteria

•  Statement  concerning  the  consistency  and  plausibility ­
  of  the  calculated  values

2.1.3  Assess  result  of
comparison

•  Result  information  from  2.1.2
•  Consistency  criteria

•  Is  a  measured  value  usable?

2.1.4  Selection  of  data  to
be  provided

•  Result  information  from  2.1.1
•  Result  information  from  2.1.3

•  CMG*

2.1.5  Provision  of  data

•  Result  information  from  2.1.4

•  Representation  of  selected  value  for  the  navigator
•  Display  if  measured  values  inconsistent
•  Provision  of  selected  value  for  further  processing

2.2  Determine  speed  of
rotation

2.2.1  Provide  data  and
criteria

•  See  Table  3

•  Different  ROT

2.2.2  Compare  data  and
criteria

•  Result  information  from  2.2.1
•  Accuracy  of  all  input  variables
•  Consistency  of  all  input  variables
•  Plausibility  criteria

•  Statement  concerning  the  consistency  and  plausibility ­
  of  the  calculated  values

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