How to power on the X1-lite-lv inverter ystem?

Please follow the steps below:
Step 1: Turn on the AC breaker between the inverter and the public grid.
Step 2: Turn on the AC breaker between the inverter and the EPS loads.
Step 3: Turn on the DC switch between the PV string and the inverter. (if any)
Step 4: Turn on the DC switch between the battery and the inverter.
Step 5: Turn on the DC switch at the left side of the inverter.
Step 6: If the battery is connected, but PV and Grid are not connected. Press and hold the battery button until the screen is on. If PV or Grid is connected, skip this step
Step 7: Turn on the system button at the left side of the inverter, the light on the system button will light up. Then the inverter will start automatically.