Customer was asked to change StUn to CUS per the machine OEM, but he is unable to change this value.
Altivar 32, ATV32
The StUn parameter for Tune Selection is a Read only parameter, found in the drC menu.
The factory setting is tAb (Default).
If an autotune is completed, this value changes to MEAS (Measured).
To change this value to CUS (Custom) the motor measurements must be manually entered and saved.