Invalid command for this transducer type

Several commands are valid only for particular transducer types. The following list shows the commands that are specific to a transducer type or types:

Command	Specific to…
Z	Quadrature, Stepper, Rotary Absolute Encoder. All transducer types supported with 20000928 and later firmware.
z	Quadrature, Stepper, Rotary Absolute Encoder. All transducer types supported with 20000928 and later firmware.
@	Quadrature, Stepper, Rotary Absolute Encoder
a	Quadrature, Stepper
060 (`)	Rotary Absolute Encoder
G (Quick Mode)	All except Stepper. Stepper can do all Go commands except Quick mode.