TC = Torque Control Mode (i.e., Torque Targeting Mode)
AC = Angle Control Mode (i.e., Angle Targeting Mode)
* the tightening speed is equal to the FINAL SPEED after the Downshift threshold or if the
DOWNSHIFT function is OFF, otherwise it is equal the DOWNSHIFT RPM setting
** plus the running torque value, if Running Torque Compensate mode is enabled