Homes Alarm System

I have a "plus SafeWatch" alarm system by ADT home. I have no control, but it works correctly.
I was able to turn the "bell" that sound when you open a door, but it makes a loud sound when entering each code number on the panel and wakes my baby. Is there any way to turn off the beep below or without paying $ 135 per hour. for a technician to come to my house and do it? Was it easy to move to another wall if your "hand".
If I remember correctly signal that the keyboard can not be adjusted …. and its not too difficult, just take off and reinstall … connexion POWERE pull the plug before doing and note that the 4 wires go ,,,,, on the keypad … . or some have just a clip
LaserShield Home Alarm System