Depends on your current level / knowledge.
One way of starting is to post questions but keep a question to a single thread, ie dont ask loads of questions in one thread it gets unmanageable and makes people less likly to reply
As above do you enter your property as a user or do you break in.
Depends on your detection the 9xxx is an old range so guessing your detectors are too.
Plus with that panel you won't have many.
Maybe rephrase the issue you have?
I think they need a programmer but the newer ones (still very old now) could be programmed from they keypad.
Or get a galaxy and an rf portal and use the peripherals if you have a few.
But things have moved on in the pro security world