223) Select to switch off one of the single machines or the parallel system:Remark: After turning on in Line mode, all UPSs will transfer to INV mode;Turnoff: when turn-off is conducted under INV mode, all UPSs will simultaneously turnoff inverter and then transfer to the bypass mode, if the UPSs are turned off oneby one, all UPSs will simultaneously transfer to the bypass mode after the lastUPS completes turn-off action.