1st, it's not a Scantronic 9827, that's the KeyPad model number.
The control panel that it is connected to is a Scantronic 9800
Have a look here and download the manual, the bit you need is on page 14
http://www.securitycentres.co.uk/Manuals/9800.pdf
Play with anything else WITH CARE, good luck
acorn
March 2009