How to Operate Your Alarm System - Online Manuals 

Depending on your needs, DHS Security installs the right systems for your home or business. For detailed operation instructions, please download the appropriate manual using the links below. You may need to download the free Adobe Reader to view your manual.

How You Can Help America's Heroes

• Test your system regularly. Call 1-800-662-5378 from the location of your security system to be walked through a system test.
• Take steps to reduce false alarms which distract first responders from real emergencies. Click here for more information

FREE Monitoring when you tell a friend about DHS Security!

A large number of our customers are recommended to us by friends who are exceptionally satisfied with our service. As your local ADT authorized dealer, we are committed to providing you the best possible customer experience.

Have more than one Friend to Refer? Call (210) 545-1770 and find out how to receive a YEAR’S FREE MONITORING!

*Your friend must become a customer for the free monitoring offer to apply. Thank you for choosing DHS Security!