Two Step Mode (TSM), [math]U_+ = 460 V[/math], [math]U_- = 300 V[/math], [math]P_b = 48.9 V (4.82 Torr)[/math]
stop1 - T1, stop2 - T2, stop3 - X1, stop4 - Y1, stop5 - X2, stop6 - Y2