1. Power down your system (switch off at the mains) -
2. Unscrew the cover and remove the from the unit.
3. Disconnect one of the terminals connectors from the battery back-up.
4. Reconnect the terminal and screw the cover back on.
5. Power up at the mains and bingo!
Job done!
If you are unsure always consult a qualified electrician/alarm fitter.
DIY man
September 2009