What is the vpp function mode?

There are below mode:
1. Power Control Mode
2. Electric Quantity Target Control Mode
3. SOC Target Control Mode
4.Push Power - Positive/Negative Mode
5. Push Power - Zero Mode
6. Self-Consume - Charge/Discharge Mode
7.Self-Consume - Charge Only Mode
8.PV&BAT Individual Setting – Duration Mode
9.PV&BAT Individual Setting – Target SOC Mode