The above example shows a lookup entry in the process of being edited.
 Selected input parameter
This drop-down contains a list of the lookup table's defined input parameter values. Select the one that applies to the lookup entry.
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 First operator
This drop-down contains a list of all valid comparison operators. Select the one that reflects the nature of the test to be performed by the lookup entry.
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 First operand
This defines the value to be used by the first operator when the lookup entry is required to test the value of the selected input parameter.
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 Range operator
This drop-down contains a list of all valid "range" comparison operators. Select the one that reflects the nature of the range test to be performed by the lookup entry. If a range test is not required then select the blank item. This has the effect of clearing and disabling the range operand.
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 Range operand
This defines the value to be used by the range operator when the lookup entry is required to range-test the value of the selected input parameter.
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 Returns value
Check this box if output parameter values are to be defined for the lookup entry.
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 Output parameter value
This defines the value to be returned for the associated output parameter ("RushHour", in this example) in the event that the lookup entry is matched by the lookup table. A column is included for each output parameter defined by the lookup table.
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