Thermal Drift. Connect the sensing port at 7,(the factory setup is V, if V is required, please join 3, 4) WIRING (Refer to Fig 4)Connect F1, F2 to DC output portConnect the sensing port at 7,(the factory setup is V, if V is required, please join 3, 4)External voltage regulator is as FigureConnect a jumper from COM to theHz terminal forHz operation. _SXGB__05_GB 4 AVR [UFRO] Adjust the under-frequency roll-off knee reduce UFRO frequency pointLink: Frequency Select alternator frequency for UFRO N/