cAn anyone please help me I have just installed a new PCB board for my scantronic 9800plus alarm system and it’s back to factory settings nothing is programmed in its currently in E mode and when I push 01,02,03 and so on all it says is NU not used can someone please tell me how to programme my zones I only have 4 zones to programme Z1 is front door Z2 Hall Z3 lounge and Z4 kitchen thanks