C SWITCHES Parameter 271 is a collection of single-bit flags used to turn servo related functions on and off. This parameter is not used when machine is equipped with a Haas vector drive. The left and right cursor arrows are used to select the function being changed. All values are 0 or 1 only. The function names are:C LIN SCALE ENUsed to enable linear scales for the C axis.C INVERT LN SCLUsed to invert the C-axis linear scale.C DSBL LS ZTSTUsed to disable the linear scale Z test.C ZERO AXIS TCUsed to return axis to zero prior to tool change.C 2ND HOME BTNUsed to move axis to coordinate specified in Work Offset G129.C DELAY AXIS 0Used with an APL to ensure C axis is zeroed before A axis 0.