installer mode

Hi all, I have a Scantronic 9853 alarm system. There was a smoke alarm triggered a while back when I sprayed the room with air freshner (stupid system). This alarm is still active and I did not know how to clear it. I accessed the system and went into installer mode. Now when i try to exist the...

Is it possible to reset the master user code from the installer mode. I need to add another user in my alarm system but I forgot master user code, I do have engineers code and can enter in to installer mode. Any help appreciated.