


Sigtronics Emergency Intercom Technical Information
On this page you will find installation and operating instructions for our intercoms. The files are in Adobe PDF format and can be opened by Adobe Acrobat Reader. You will need Acrobat Reader 5.0 or higher. Click on the Get Acrobat button below to download your free copy from Adobe.
For technical information on the use or installation of Sigtronics products not covered here, E-mail Technical Support: tech@sigtronics.com or call Monday through Friday 8:00 am to 4:30 pm Pacific Time. 909 305-9399
UltraSound Intercoms | |
![]() US-45S |
Installation and Operating Instructions Models: US-45S, US-67S, US-45D, US-67D, US-SR, and US-DR |
Installation and Operating Instructions Models: US-12S and US-12D |
|
Installation and Operating Instructions Models: US-LAC4 and US-LAC6 |
|
![]() US-45D |
User Operating Instructions For all UltraSound Intercoms |
12 Way Intercom Pin-out Instructions Models: US-12S and US-SRE |
|
12 Way Intercom Pin-out Instructions Models: US-12D and US-DRE |
|
![]() |
Sigtronics Special 4 Conductor Jack Wiring Instructions To install Sigtronics headsets with Radio Push-To-Transmit buttons. Use to wire these jacks into a Sigtronics UltraSound intercom system. |
![]() |
US-45S Engine, Single Radio System overview in PDF |
US-45D Engine, Dual Radio System overview in PDF | |
US-45D Engine, Dual Radio, Bluetooth Cell Phone System overview in PDF | |
US-67D Engine, Dual Radio System overview in PDF | |
US-67D Fire EMS, Dual Radio System overview in PDF | |
US-67D Fire EMS, Dual Radio, Bluetooth Cell Phone System overview in PDF | |
US-67D Aerial System overview in PDF | |
Emergency Unit Radio / Music Switcher for UltraSound Intercoms | |
![]() |
Sigtronics Emergency Unit Radio / Music Switcher For UltraSound Intercoms |
UltraSound CFR Intercoms | |
![]() US-CFR |
Installation and Operating Instructions Models: US-CFR and Dual-CFR |
US-CFR System overview in PDF | |
MRIM-2 – Mobile Radio Interface Module | |
![]() |
Installation and Operating Instructions Mobile Radio Interface Module |
![]() |
Bluetooth Cellular Interface with MRIM-2 Instructions for using a Sigtronics Intercom / MRIM-2 System with a Bluetooth Cellular Telephone. |
![]() |
Cellular Interface with MRIM-2 Instructions for using a Sigtronics Intercom System and a Cellular Telephone. Toggle Switch Kit P/N 800185 |
Special Installation Instructions |
Cellular Interface with MRIM-2 and RPTT Headset Wiring diagram for using a Sigtronics Intercom System and a Cellular Telephone with a Sigtronics RPTT headset. |
Cellular and Radio Interface with Dual MRIM-2 – Audio Select Wiring diagram for using two Sigtronics MRIM-2 systems with a Cellular Telephone and Radio. Toggle Switch to select audio receive and radio transmit / cellular phone. |
|
Cellular and Radio Interface with Dual MRIM-2 – Audio Both Wiring diagram for using two Sigtronics MRIM-2 systems with a Cellular Telephone and Radio. Toggle Switch to select radio transmit / cellular phone. Radio and cell phone audio at all times. |
|
Dual Radios and MRIM-2 Interface – Dual PTT Switch Wiring diagram for using two Sigtronics MRIM-2 systems with dual Radios. Dual PTT switches for radio transmit. |
|
Dual Radios and MRIM-2 Interface – Toggle Switch Wiring diagram for using two Sigtronics MRIM-2 systems with dual Radios. Toggle switch for radio transmit select. |
|
Three Radios and MRIM-2 Interface – Rotary Switch Wiring diagram for using three Sigtronics MRIM-2 systems with three Radios. Rotary switch for radio transmit select. |
|
PA System Interfaced to Sigtronics Intercom Wiring diagram for a PA system interfaced to a Sigtronics intercom through a MRIM-2. |
|
Emergency Unit Radio / Music Switcher for a MRIM-2 | |
![]() |
Sigtronics Emergency Unit Radio / Music Switcher For Mobile Radio Interface Module |
S-A-F-E Communicator | |
![]() |
Installation and Operating Instructions |
User Operating Instructions | |
EAI Intercom | |
![]() |
Installation and Operating Instructions |
EAI-Vox Operating Instructions | |
![]() |
Sigtronics Special 4 Conductor Jack Wiring Instructions To install Sigtronics headsets with radio Push-To-Transmit buttons. Use to wire these jacks into a Sigtronics EAI intercom system. |
Emergency Unit Radio / Music Switcher for a EAI Intercom | |
![]() |
Sigtronics Emergency Unit Radio / Music Switcher For EAI Intercoms |