How to arm home security system?

Just bought a house with "Masdata" brand security system. I'm finding no info on this company online. Is it possible to arm the system without alarm company hookup? I just want the alarm to sound if there is intrusion. I don't know the passcode, wondering if there is a basic method to arm in this... show more Just bought a house with "Masdata" brand security system. I'm finding no info on this company online. Is it possible to arm the system without alarm company hookup? I just want the alarm to sound if there is intrusion. I don't know the passcode, wondering if there is a basic method to arm in this method. Thank you..
Update: The alarm has no outdoor horn, just want to the keypads to sound if there is intrusion, as an additional deterrent to other home security methods I am using.
4 answers 4