This operator subtracts a real or complex scalar or vector to another real or complex scalar or vector, using the general rules that apply to complex calculus.
Symbol in the Object Toolbox

Operator ports
Input V1: Any sample type. The connection is not limited to one type of signal.Input V2: Any sample type. The connection is not limited to one type of signal.
Output V1-V2: Floating point value buffers
If one input is a scalar (single channel) and the other a vector, then subtraction will be performed between all fields of the vector and the scalar.
Properties
Find more information about changing properties here: "Properties Viewer"Caption
type: Word or phraseThe name of the object in the project. This name must not contain '.', '$' nor '@' characters.
For more information about the rules and usage of the Caption property, please refer to "Caption property - background and usage".
Documentation
type: See descriptionOptional documentation of this object. If this object is an operator, the Documentation text is displayed below the operator symbol.