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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

Harp Security Acquisition

Harp Security Acquisition

Guard Tronic and Harp Security have been friends for over 40 years.   In 1985, Guard Tronic’s then-President, Dave Gilbert, and Harp founder Colonel Doug Harp worked together to help form the Arkansas Security Alarm Association, and began helping craft the licensing...

Multiple Sites

Multiple Sites

Multiple sites with multiple layers of management can make the administration of any system more complicated.  Having different access control and security systems installed at each site makes it even more difficult. Virtual Keypad App allows seamless administration...

Memorial Day 2025

Memorial Day 2025

O say can you see, by the dawn’s early light, What so proudly we hail’d at the twilight’s last gleaming, Whose broad stripes and bright stars through the perilous fight O’er the ramparts we watch’d were so gallantly streaming? And the rocket’s red glare, the bombs...

Gun Safe

Gun Safe

Safes and vaults, including gun safes, require a higher level of protection than just a standard door contact made for a residential door, which are not listed for safes and vaults.  Because of our 50+ year history installing UL systems in banks and jewelry stores, we...

Job Shadow

Job Shadow

Our Fort Smith office got a new Regional Manager this past Friday.   Kenzie Howell, a 7th grader at Bauxite Middle School, came to Fort Smith to job shadow our regular guy. As the daughter of our central Arkansas manager, Rick Howell, Kenzie is familiar with the...

2025 FARA Symposium

2025 FARA Symposium

Fort Smith Regional Manager, Jordon Brown, has the honor of representing burglar alarm companies on the False Alarm Reduction Association’s (FARA) Board of Directors and the Arkansas Security Alarm Association on the National Electronic Security Alliance Board of...