On the M-class, power mode (i.e., non-TC) uses Watts, not Joules. Soft/Powerful/Powerful+ preheat settings on the M-class are based on the Watt or Joules setting of that mode (e.g., at 60W Soft, the preheat is just below 60W), but with the ML-class it's unclear. Maybe you can set it to 60W with...