Specifies single or dual specification break indication boxes on the isometric drawing.
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Single indicates a single specification. Boxed message consisting of the new specification reference pointing to the position on the pipeline where the change occurs.
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Dual indicates two specifications. Two boxed messages containing the current and new specification references are positioned at the point on the pipeline where the change occurs.
Defines:
Option Switch - 114, Pos 2
I-Configure - Drawing.Format.SpecBrkRepresentation