# Negating compensation values (P-VOLC-00009)

P-VOLC-00009 | Negate compensation values
Description | This parameter specifies the Cartesian axes for which the compensation value is to be negated. See [FCT-C26]. A notation based on sets is used. For example, the value "XY" means that the compensation values for X and Y are to be negated, but not for Z.
Parameter | negate
Data type | STRING
Data range | <Name of the axes to be negated>
Dimension | ----
Default value | -
Remarks | Parameterisation example: The row negate XY specifies that the compensation values are to be negated for the X axis and Y axis.