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User’s Manuals

Radionics Manuals

Large Commercial
Radionics 7212 / 9112

Residential and Small Commercial
Radionics 4112 and 6112
Radionics 4000 / 4012 / 8000 / 8012
Radionics 2112 / 2112

Caddx / GE Manuals

Commercial and Residential

Caddx 8000 series 

Caddx NX Series

Caddx NX4

Caddx NX8

Caddx NX-1300

Detection Systems

Commercial and Residential
DS-7090 manual
DS7400xi

More Information You May Want to Know

Add Us as a Contact

Add Us as a Contact

We would ask everyone, especially our customers, to add our central station phone number to their list of contacts. All calls and texts about your alarm system will come from: (800) 687-0668 Calls from customer service representatives, sales representatives,and...

UL 827 Audit – 2020

UL 827 Audit – 2020

Guard Tronic Central Station employees Denise Black and Jordon Brown hosted a virtual audit today from Underwriters Laboratory.   Nick Mirus performed the audit to ensure compliance to UL 827. Guard Tronic has been UL Listed since the mid-1970s.  Our file numbers are:...

Fire Alarm System in Trouble

Fire Alarm System in Trouble

The National Fire Protection Association (NFPA) defines a trouble condition as “an abnormal condition in a system due to a fault.” Fire alarm systems should not be allowed to remain in a trouble condition.  The building owner is putting the lives of everyone in their...

Labor Day 2020

Labor Day 2020

If 2020 has taught us anything, it is how much we rely on each other.  It is critical that each of us go to work every day, so that we can serve our neighbors and be served by them.  When that can’t happen, ALL of us suffer. If you have been unable to work, we pray...

Key or Credential?

Key or Credential?

An access control system is less expensive than traditional lock and key knobs.  It also makes life easier for a business owner / manager. No more re-keying locks after an employee leaves without returning their key. No more wondering who your employees have given...

Multiple Sites – One App

Does your business have multiple locations? Do you have more than once residence, such as a VRBO or AirBNB? Do you have a close older family member and would like to be able to control their system as well as your own? With our Virtual Keypad app, you can control...