Trimmer, H. William <br/><br/>
UNDERSTANDING AND SERVICING ALARM SYSTEMS / 
H. WILLIAM TRIMMER 
 - Third Edition 
 - xi, 255 pages :  illustration (black and white) and photographs ;  24 cm. 
<br/><br/> Provides coverage of microcomputerized controls, sophisticated detection devices, and methods of alarm reporting. This book reflects the security industry's high-tech advances and is useful for the alarm dealer, installer, and technician. It presents topics ranging from the basics of electricity to the equipment installation and repair 
<br/><br/><label>ISBN: </label>9780750672061  RM 580.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Burglar alarms --Maintenance and repair.<br/>Fire alarms.
<br/><br/><label>Dewey Class. No.: </label>621.38928