Daniels Manuals are very comprehensive, and include complete specifications, schematic diagrams, and jumper lists. The following Technical notes have been prepared to outline key aspects of tuning, installing, maintaining and servicing Daniels Radio Systems. The technical notes require Adobe Acrobat Reader for viewing.

To download all of the current Technical Notes right click and "Save Target As" (file size ~ 10 MB)

Type Code Name Rev.  # Date
System Overview Index Table of Contents N/A Mar-13
  TN105 Dual Subrack Interconnection 5-1-0 Mar-13
TN110 Channel and Frequency Selection 3-1-0 Mar-13
TN130 Audio Processor Tuning Procedures 6-1-0 Mar-13
TN160 Base Station or Link Configuration Settings 4-1-0 Mar-13
TN170 USB Driver Installation for MT-4E RSS 8-1-0 Mar-13
TN175 MT-4E Firmware Upgrading 2-1-0 Mar-13
Receiver Modules TN213 VR-3A130-SYF VHF AM Enhanced Receiver 6-1-0 Mar-13
  TN220 VR-3H040 VHF Lowband Receiver 5-1-0 Mar-13
TN247 VR-4E VHF MT-4E Receiver 4-1-0 Mar-13
TN267 UR-4E UHF MT-4E Receiver 7-1-0 Mar-13
TN287 UR-4E UHF 700 / 800 / 900 MHz MT-4E Receiver 5-1-0 Mar-13
Transmitter Modules TN311 VT-3A130-SYF VHF AM Synthesized Transmitter 5-1-0 Mar-13
  TN320 VT-3H040 VHF Lowband Transmitter 5-1-0 Mar-13
TN347 VT-4E VHF MT-4E Transmitter 4-1-0 Mar-13
TN367 UT-4E UHF MT-4E Transmitter 4-1-0 Mar-13
TN387 UT-4E UHF 700 / 800 / 900 MHz MT-4E Transmitter 5-1-0 Mar-13
Power Amplifiers TN426 AMP-P25-2Ax1-C1 VHF Lowband Power Amplifier 1-1-0 Mar-13
  TN441 AMP-4-150 VHF 30 Watt Power Amplifier 1-1-0 Mar-13
TN460 AMP-2/450 UHF 30 Watt Power Amplifier 5-1-0 Mar-13
TN490 19” Rack Mount High Power Amplifiers 1-1-0 Mar-13
TN491 Modular 5-Pack Series High Power Amplifiers 1-1-0 Mar-13
Subracks TN500 SR-39-1 Subrack 4-1-0 Mar-13
  TN520 SR-39-3 Multiple Receiver Subrack 3-1-0 Mar-13
TN530 SR-39-4 Multiple Transmitter Subrack 4-1-0 Mar-13
Controllers TN600 AC-3E Audio Control Card 5-1-0 Mar-13
  TN640 CI-PM-3 Paging Modulator 2-1-0 Mar-13
TN650 CI-RC-4L Repeater Control Card 5-1-0 Mar-13
TN652 CI-RC-4M Multiple Link Controller 1-0-0 Mar-13
TN655 CI-BC-4E Base Control Card 3-1-0 Mar-13
TN660 UIC-4 Universal Interface Card 1-1-0 Mar-13
Transportable Systems TN710 ET-3 Transportable Radio System Case 8-1-0 Mar-13
  TN720 ET-4 Transportable Radio System Case 4-1-0 Mar-13
TN730 ET-5 Transportable Tactical Radio System Case 2-1-0 Mar-13
TN735 ET-6 Transportable Tactical Radio System Case 2-1-0 Mar-13
TN750 ET-1 Transportable Radio System Case 4-1-0 Mar-13
TN790 Transportable Radio System Accessories 3-1-0 Mar-13
Other TN800 A-PNL-AUX96-3 Auxiliary Connector 4-1-0 Mar-13
  TN811 SM-3 System Regulator 3-1-0 Mar-13
TN820 CP-SC-3 Synthesizer Channel Programmer 3-1-0 Mar-13
TN830 AC to DC and DC to DC Power Supplies 5-1-0 Mar-13
TN835 High Current AC to DC Power Supplies 1-1-0 Mar-13
TN840 Extender Cards and Kits 4-1-0 Mar-13
TN855 CI-DSP-223 Vega DSP Tone-Remote Adapter 10-1-0 Mar-13
TN856 CI-IP-223 Vega IP Network Remote Adapter 6-1-0 Mar-13
TN870 CI-RSWITCH Redundant Switch 2-1-0 Mar-13
Test Procedures TN900 Daniels MT-3 and IFR 1200 Test Procedures 5-1-0 Mar-13
  TN910 Daniels MT-3 and IFR COM-120 Test Procedures 4-1-0 Mar-13
Explanatory Notes EN100 Quality Management System 3-1-0 Mar-13
  EN110 Equipment Calibration and Reference 3-1-0 Mar-13
EN120 Equipment Soldering and ESD Procedures 2-1-0 Mar-13
EN130 Atacama Large Millimeter Array (ALMA) 2-1-0 Mar-13
EN140 Restriction of Hazardous Substances (RoHS) 1-1-0 Mar-13
Discontinued Products TN100  System Installation and Troubleshooting (discontinued) 3-0-0 Sep-08
  TN120 Wide to Narrow Band Modifications (discontinued) 3-0-0 Sep-08
TN140 Remote Interface J72 (discontinued) 3-0-0 Sep-08
TN210 VR-3A130-C VHF AM Crystal Receiver (discontinued) 2-0-0 May-06
TN212 VR-3A130-SYD VHF AM Enhanced Receiver (discontinued) 4-0-0 Apr-06
TN240 VR-3/150-C VHF Crystal Receiver (discontinued) 3-0-0 Feb-06
TN241 VR-3/150-S VHF Low Current Receiver (discontinued) 3-0-0 Nov-06
TN242 VR-3H150-S VHF Enhanced Receiver (discontinued) 3-0-0 Nov-06
TN245 VR-4D150 VHF P25 Receiver (discontinued) 6-0-0 Nov-06
TN246 VR-4D150 VHF P25 Digital Base Receiver (discontinued) 3-0-0 Nov-06
TN260 UR-3/400-C UHF Crystal Receiver (discontinued) 3-0-0 Feb-06
TN261 UR-3/400-S UHF Low Current Receiver (discontinued) 3-0-0 Nov-06
TN262 UR-3H400-S UHF Enhanced Receiver (discontinued) 6-0-0 Nov-06
TN265 UR-4D400 UHF P25 Receiver (discontinued) 6-0-0 Nov-06
TN266 UR-4D400 UHF P25 Digital Base Receiver (discontinued) 3-0-0 Nov-06
TN280 UR-3/800 UHF 800 MHz Low Current Receiver (discontinued) 4-0-0 Nov-06
TN290 UR-3/900 UHF 900 MHz Low Current Receiver (discontinued) 4-0-0 Nov-06
TN310 VT-3A130-SYD VHF AM Synthesizer Transmitter (discontinued) 5-0-0 Sep-06
TN342 VT-3/150-S VHF Synthesized Transmitter (discontinued) 5-0-0 Nov-06
TN345 VT-4D150 VHF P25 Transmitter (discontinued) 6-0-0 Nov-06
TN346 VT-4D150 VHF P25 Digital Base Transmitter (discontinued) 4-0-0 Nov-06
TN362 UT-3/400-S UHF Synthesized Transmitter (discontinued) 5-0-0 Nov-06
TN365 UT-4D400 UHF P25 Transmitter (discontinued) 6-0-0 Nov-06
TN366 UT-4D400 UHF P25 Digital Base Transmitter (discontinued) 4-0-0 Nov-06
TN380 UT-3/800 UHF 800 MHz Synthesized Transmitter (discontinued) 5-0-0 Nov-06
TN390 UT-3/900 UHF 900 MHz Synthesized Transmitter (discontinued) 5-0-0 Nov-06
TN440 AMP-2/150 VHF 30 Watt Power Amplifier 7-0-0 Jul-12
TN510 SR-39-2 Subrack (discontinued) 2-0-0 Feb-06
TN540 SR-39-5 Multiple Power Amplifier Subrack (discontinued) 2-0-0 Feb-06
TN630 AC-3M-96 / AC-3S-96 Audio Control Cards (discontinued) 2-0-0 Jun-07
TN651 CI-RC-4M Multiple Link Controller (discontinued) 6-0-0 Mar-13
TN810 SM-3 System Monitor (discontinued) 5-0-0 Sep-08
TN850 CI-RP-223C Vega Tone-Remote Adapter (discontinued) 2-0-0 Feb-06
TN860 CI-Site/MC-0 Site Monitor and Controller (discontinued) 3-0-0 Jan-07
TN950 Daniels MT-4R/D and IFR 2975 Test Procedures (discontinued) 3-0-0 Sep-08
SetupFiles IFR 2975 Setup Files for TN950 (136 KB) (discontinued) N/A Apr-06
Notice General Discontinuation N/A Dec-06
Notice MT-4E New Product Announcement / Replacement N/A Jun-06