It's a USER code change, please let me know the security reasons that stop you giving help here in this situation.
ps
I've already posted how to do this by the way, (it's the post below yours)
acorn, June 2010
i can help you do this but for security resons you will need to call me.
07967 741 345 leigh
right track security services, June 2010
User Code Change (default code=0123)
• Press PROG (All LED’s show)
• Type in the Old Code (DAY & TAMPER lights show)
• Press 8 (Four zone LED’s show)
• Type in the New Code (System bleeps twice)