# Parameters

The touch probe must be configured in addition to supplying the input parameters described here. For more information on this function, see the section Configuration file.

The (calibrated) parameters of the touch probe (radius, length and offset in X and Y directions) are specified via the tool parameters.

## Required input parameters

Input parameters | Description
@P4 | Measurement path in X axis
@P5 | Measurement path in Y axis
@P6 | Measurement path in Z axis
@P17 | Pre-position in X
@P18 | Pre-position in Y
@P19 | Pre-position in Z
@P39 | Select the required CS to be written. Value range: 1-10
@P41 | Pre-position in X2
@P42 | Pre-position in X3
@P43 | Pre-position in Y2
@P44 | Pre-position in Y3

## Optional input parameters

Input parameters | Description
@P9 | Shift the measuring point along the X axis (default: 0)
@P10 | Shift the measuring point along the Y axis (default: 0)
@P11 | Shift the measuring point along the Z axis (default: 0)
@P49 | Retraction height after measurement Default value = position after last measurement

It is recommended to use the Syntax check.to verify whether the input parameters are correctly assigned.