I have the multiplus compact 12/2000 and am running Venus GX software on a Raspberry Pi. Everything works great but I cannot figure out how to power the unit on/off from the Pi. In addition a can not adjust the input ac current limit. The option is grayed out and gives a message saying I need to check the remot override or have an assistant preventing this. The option is checked and there is no assistant running. Any tip or direction would be appreciated.