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Technical Information on Products (ACC Repeater Controllers and Accessories) Compiled and Maintained by Kevin Custer W3KKC and Mike Morris WA6ILQ
Ths page is also the landing spot for www.advancedcomputercontrols.com
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Quick-jump to:
RC-85
RC-96
RC-850
CIB
FC-1
FC-900
AD-2
DVR
ITC-32
SM-100
PM-200
"ACC Notes" (the periodic ACC newsletter)
ACC Miscellaneous
Non-ACC Miscellaneous
Media Files (demos and sounds)
| Contact Info: | ||
| ACC folded on July 25 of 1995 but some support is available from the folks that bought the remains: | ||
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1407 4th Ave N Billings, Montana 59101 Audio Test Solutions, Inc. 4890 Vandaveer Road Billings, Montana 59101 |
Email: info //at// link-comm //dot// com Web: http://www.link-comm.com Main Phone: 406-294-5108 Web page: www.rlccontrollers.com/ |
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There is a ACC mailing list at https://groups.io/g/ACC. |
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General ACC Introductory Information READ THIS FIRST |
RC-85: (the last firmware (PROM) version was 5.2)
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RC-85 original brochure 432 kB PDF file |
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RC-85 V3 Manual 1.4 MB PDF file Provided by Dan Ratzlaff WWØF |
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RC-85 V3 Schematic dated 05-84 95 kB PDF file Provided by Don Mosher WB5BRY |
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RC-85 Appendix I from the above manual 447 kB PDF file |
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A construction article on adding a talking clock to your RC-85 is on pages 5 and 6 of the April 1986 ACC Notes |
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Interfacing a GE MASTR II radio to an ACC controller 37 kB PDF file |
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Interfacing a MICOR radio to an ACC controller 65 kB PDF file |
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New features of Version 4.0 firmware 68 kB PDF file |
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Installing a TS32P in an RC85 controller 58 kB PDF file |
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The PAL chip in your RC-85 blown? See the "PAL Faker" notes below. |
RC-85 and RC-96:
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Everything you ever wanted to know about your Access Modes 634 kB PDF file |
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Firmware version 4.2 release notes 26 kB PDF file |
RC-96: (the last firmware (PROM) version was 5.2)
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RC-96 original brochure 417 kB PDF file |
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ACC RC-96 Owners Manual: Courtesy of two different people we have three copies of the manual. First is the largest and most detailed, however the back side of the pages "printed through" on the scan. 13.5 MB PDF Second is a shrunken version of the first - what was left after the Adobe PDF maker "Reduce file size" feature was run on it: 12.7 MB PDF The third file was supplied by Eric Lemmon WB6FLY who somehow turned up a manual that doesn't have the "print through" of the first two: 5.85 MB PDF The first two files were created from a 28 MB ZIP file containing 160 separate page files. Grab it if you want to work with the individual pages - just download the ZIP file, place it in a new, empty directory then unzip it. |
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Ver 5.2 EPROM known patch locations 21 kB pdf file |
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Tone panel manual 117 kB PDF file |
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Sales brochure / spec sheet 1.8 MB PDF file |
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Programming worksheet 333 kB PDF file |
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RC-96 Owner's Manual Version 3 with Version 5 Updates Scanned by Matt K3MK. 4.3 MB PDF file |
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RC-96 Serial Port Board photo 300 kB courtesy of Chris Baldwin KF6AJM |
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RC-96 Serial Port Board schematic 22 kB courtesy of Matt Krick K3MK |
RC-850: (the last firmware (PROM) version was 3.8)
Version 3.42 is the last without the CIB. Versions 3.5, 3.6, 3.7 or 3.8 all require the CIB option.
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RC-850 original brochure 679 kB PDF file |
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RC-850 spec sheet 2.7 MB PDF file |
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RC-850 Control Operator's Reference Manual Version 3 Scanned by Matt K3MK. 3.0 MB file. |
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RC-850 Digital Voice Recorder Manual Version 2 Scanned by Matt K3MK. 2.9 MB file. |
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RC-850 Hardware Reference Manual Version 3 Scanned by Matt K3MK. 3.1 MB file. |
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RC-850 Operator's Manual Version 3 Scanned by Matt K3MK. 2.7 MB file. |
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RC-850 Programming Reference Manual Version 3 Scanned by Matt K3MK. 2.9 MB file. |
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RC-850 Manual 120 kB PDF file |
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RC-850 and other ACC info at WA8DBW's web site (offsite link) |
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ACC RC-850 Courtesy Tone Programming 41 kB PDF How to reset the courtesy tones (or reset beeps) back to the factory defaults - originally from the November 1985 issue of ACC Notes page 5 |
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ACC RC-850 Interfacing to a GE MASTR II station 314 kB PDF While oriented towards a GE MASTR II repeater there is good information on connecting to any manufacturers equipment. |
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ACC RC-850 Interfacing to a Motorola MSF5000 station 170 kB PDF While oriented towards a CXB-series station, there is good information on connecting to any manufacturer's equipment. |
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ACC RC-850 to FC-900 interfacing manual 1.2 MB PDF file |
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ACC RC-850 Schematics Donated by Matt, K3MK (VRT="Voice Response Telemetry") Page 1 Page 2 Page 3 Page 4 VRT Schematic VRT Layout |
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ACC RC-850 version 3.42 EEPROM image
This is a zip file - right click on the link and select "Save As". This is the 28C64 EEPROM in socket U10 default EEprom settings. If anyone has EEPROM images for other revisions please send them in! |
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ACC RC-850 MX2 Memory Expansion board a 45 kB gif file |
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RC-850 "Nspector" program
This is a zip file - right click on the link and select "Save As". Originally written by Bill Strack, WA6ZTJ, now a silent key. See the July 1991 ACC Notes below. |
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Photo Gallery: Internal photo Audio Delay board Telephone Interface board |
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Remotely control the TS-32 tone board from your RC-850 70 kB PDF file |
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HSC Paging applications manual 418 kB PDF file HSC Paging Decoder board photo |
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ACC RC-850 Front panel display board For ACC controller users. 83 kB PDF file. |
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A full electrolytic capacitor replacement on an '850 will require these parts: 16 of 1µf 50 volts 25 of 10µf 25 volts 1 of 10µf 50 volts 4 of 47µf 16 volts 1 of 220µf 25 volts There are some notes on the capacitor issue on the General Information web page linked above. |
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A tech note from Paul Kindell WB8ZVL (who used to be "The ACC Repair Guy": Do you own a RC-850 with a front panel display? I LOVE LEDS, there isn't anything cooler than to open the repeater cabinet door on an 850 in the dark and watch all the LEDS blink. The problem with that is that moment of coolness could cost you a boat load. The engineers at ACC tied the ICs that run the front panel display directly to the 12 volt power coming into the controller with NO protection. Want to know what happens the first time you get a spike on the DC power line?? Zap, the front panel goes. Turn the front panel switch OFF before you leave the site. This will protect your valuable front panel and keep the repeater on the air longer - maybe when you need it most, like during the storm! |
RC-850 CIB (Computer Interface Board): Computer Interface board photo
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RC-850 CIB original brochure 585 kB PDF file |
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Computer Interface Board Schematic courtesy Rick Franz VE4RF Page 1 (83 kB) Page 2 (66 kB) |
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RC-850 CIB Complete Manual (4.2 MB) courtesy of Micheal Salem N5MS |
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RC-850 Computer Interface Option Owner's Manual Version 3.5 Scanned by Matt K3MK. 3.2 MB PDF file. |
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Over the years there have been several discussions on the ACC lists about doing a run of CIBs for those that do not have them. Despite all the chatter it's never happened. |
FC-1:
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FC-1 board photo courtesy of Chris Baldwin KF6AJM |
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FC-1 schematic Horizontal Vertical (for printing) |
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FC-1 interface photos, diagrams, and complete schematic 880 kB PDF courtesy of Joe KEØFF |
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FC-1 Tech Note A comprehensive writeup with printable pictures and a schematic of the FC-1 interface and the Icom IC-2AT - the thumbwheel radio, not the IC-02AT keyboard radio (applicable to the IC-3AT and IC-4AT as well). |
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I had a problem with an FC-1 frequency control board not setting the frequency on ICOM IC-22u remote. I found U6 (CD40106) bad and replaced it. Frequency control now worked but I had no +5kHz control. I replaced U7 74HC02 (with pin 10 disconnected as required, pins 9 & 10 jumpered on the underside of the board); that fixed the +5kHz control. |
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ACC's original FC-1 manual - Higher Quality 13.4 MB PDF file |
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ACC's original FC-1 manual 1.0 MB PDF file |
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Installing a TS32P in an FC-1 controller 111 kB PDF file |
FC-900:
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FC-900 Interface Manual 1 MB PDF file Includes schematics |
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FC-900 Interface Schematic Page 1 312 kB jpg file Page 2 302 kB jpg file |
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FC-900 schematic diagram 50 kB PDF file Great quality, all on one page. Provided by Joseph Haas KEØFF |
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FC-900 Band and Offset Firmware addresses Locations to patch in the firmware. Includes 6M 1.7M Split Code written by Ed Ingber WA6AXX and provided by Dale Day |
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See above in the RC-850 section for the interfacing manual. The FC-900 interfaced to the Icom IC-900/901 radios. Additional information can be found on the Icom Index page. |
AD-2:
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Audio Delay Board kit manual for RC-85 and 96 1.3 MB PDF file |
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AD-2 audio delay schematic By Kevin Custer |
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Eliminating Clipping Distortion, and Increasing Audio level in the AD-2 By Jeff DePolo WN3A |
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Audio Delay Line Distortion when on Battery Backup by Wayne Zehner Jr. K9WZ |
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Audio Delay Board Retro #1 Replacing the AD2 with the Panasonic/Matsushita MN3101-MN3008 chip set By Rick Franz VE4RF |
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Audio Delay Board Retro #2 Replacing the AD2 with the Arcom digital audio delay board By Darrin Stanley KB6WAS |
ShackMaster SM-100 (the last known version of the Shackmaster firmware was 1.7)
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Shackmaster original brochure 902 kB PDF file |
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ShackMaster SM-100 Manual A 128 page 3.3 MB PDF file courtesy KB6ZOP |
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Schematic A 389 kB PDF file containing four pages of schematics courtesy Michael Salem N5MS |
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Firmware images: sm100u15.152
sm100u8.152 sm100u15.1v7 Right click on the firmware image links above and select "Save As". No other information on these files is available. |
Patchmaster PM-200
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Courtesy of Chris Baldwin KF6AJM we have several photos of his PM-200. The pictures are all
about 100-300 kB in size. Front photo Rear photo Label on bottom Speech chip photo Internal top photo Internal bottom photo |
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Patchmaster original brochure 457 kB PDF file. |
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Patchmaster personality management software and terminal program 44 kB ZIP file. |
DVR: (the last firmware (PROM) version was 2.0)
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DVR text brochure 527 kB PDF file |
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DVR original color sales brochure 1.7 MB PDF file |
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Anyone have the schematic ? |
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Digital Voice Recorder manual For firmware version 2 1.9 MB |
ITC-32:
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The ITC-32 is a small single board controller that originally sold for about $400.
Last price on it before it went out of production was about $150. Any of the modern
single-board repeater controllers (such as the ICS units) are much more versatile.
The ITC-32 was one of the first frequency agile remote base controllers, however it
only talks to a BCD-controlled radio such as the Icom IC22U, Kenwood TR7400, TR76xx
series, Yaesu FT227, Drake UV-3 or other similar radios. The most recent information is that Mike WB8CXO is still supporting the ITC-32. |
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ITC-32 original brochure 981 kB PDF file |
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ITC-32 schematic 243 kB JPG file |
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ITC-32 schematic noted as "corrected" by Mark Christensen WB9TBX, donated by Chris Boone WB5ITT 175 kB PDF |
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The ITC-32 manual Version from 1983/1984 5 MB PDF file |
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The ITC-32 manual Version from 1987, including the obscure 1986 update. 2.1 MB PDF file courtesy of Skipp |
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An ITC-32 technical manual Version and date unknown. 13.2 MB PDF file courtesy of Mike WA6ILQ |
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ITC-32 firmware Revision unknown. Right click on the link and select "Save As". No other information on this file is available. |
Signal Conditioning Board:
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Signal Conditioning Board The conditioning board dates back to 1984. It was not a regular product, but several were sold. 1.0 MB PDF file courtesy of Michael Salem N5MS |
ACC Notes (in PDF format):
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April 1983 Dayton Hamvention edition 207 kB |
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May-Jun 1983 partial 206 kB |
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September-October 1983 278 kB |
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May-June 1984 311 kB |
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January-February 1985 387 kB |
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March-April 1985 354 kB |
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May-July 1985 190 kB |
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August-October 1985 2.3 MB |
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November 1985 - March 1986 1.9 MB |
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November 1985 - March 1986 611 kB |
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April-June 1986 1.9 MB |
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April-June 1986 345 kB |
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July-August 1986 324 kB |
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September-December 1986 341 kB |
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October-December 1987 190 kB |
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April-August 1988 2.9 MB |
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January-April 1989 333 kB |
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March-May 1990 395 kB |
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March-June 1991 1.32 MB |
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March-June 1991 324 kB |
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July-October 1991 1.36 MB |
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July-October 1991 420 kB |
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October 1993 - February 1994 442 kB |
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We're still missing several issues. If anybody has any that will fill in the gaps, please send them to the page maintainer listed at the top of this page. |
ACC Miscellaneous:
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ACC Support for the Doug Hall RBI-1 Remote Base Interface by Chris Baldwin KF6AJM |
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ICOM IC-900/901 Series Band Unit Identification Select Explained by Chris Baldwin KF6AJM |
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Control operator command reference card For ACC controller users. 150 kB PDF file. |
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Message Editing reference card For ACC controller users. 272 kB PDF file. |
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Programming reference card For ACC controller users. 116 kB PDF file. |
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User Command reference card For ACC controller users. 126 kB PDF file. |
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Lightning Protection of ACC controller interface lines While written by ACC the information on this writeup is relevant to ANY manufacturer's equipment. 176 kB PDF file. |
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Battery backup and other miscellaneous topics For ACC controller users. 49 kB PDF file. |
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Interfacing the Drake UV-3 transceiver to any ACC controller For ACC controller and ShackMaster 100 users. 427 kB PDF file. |
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Interfacing the Icom IC-RPxx20 transceiver to any ACC controller For ACC controller users. 74 kB PDF file. |
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Push To Talk Delay Circuit For ACC controller users, eliminate the link PTT courtesy tone. |
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A Phone Line Busy Detection Circuit By Monte Smith, WDØDIR, from ACC Notes, April, 1986 |
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Curing Digital Noise in ACC Controllers By Jeff DePolo WN3A |
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Y2K Compliance for the RC-85, 850, and 96 Controllers By Kevin Custer W3KKC and Rich Reese WA8DBW |
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AH6LE's serial protocol converter for the ACC controllers Allows using a more modern radio as a remote base. (offsite link) |
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RC-85 and RC-96 PC Control Program manual By Andy Kadvan KA8R 643 kB PDF file |
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1989 ACC Price List and Order Form (for fun and giggles) 475 kB PDF file |
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Considering replacing your old ACC Controller or want a new one that
works and programs similarly to your friend's ACC? Take a look at the FF Systems FF-800 controller however they no longer manufacture or sell any products. |
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Paul provided the following information:
The RC-85 PAL "Faker" |
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Need your ACC product repaired? Here's the place: (Paul repairs the
RC-85s, 96s, 850s, DVRs and FC900s)
Advanced Computer Control Repair, owned by Paul Kindell, WB8ZVLUpdate January 01 2020: Paul closed the doors on 12-31-2019... |
Non-ACC Miscellaneous:
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GE MASTR II S-Meter Circuit
By Andy Kadvan KA8R from ACC Notes This circuit samples the high-IF signal, rectifies it using a DC voltage doubler, then runs it through a simple op-amp based DC voltage buffer/amplifier. It's overly simplified and needs more development to be practical: several people have tried several variations of this circuit and all have the problem that it loads down the IF amplifier strip and therefore makes the receiver less sensitive. If you read the text from the Micor circuit below you will find an interesting comment from Jeff DePolo WN3A on an alternate and simpler way to accomplish the same result. |
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Motorola MICOR S-Meter Circuit
probably from ACC Notes, text by Mike Morris WA6ILQ This circuit is similar to the GE one above, just adapted to the GE, and looks like it was designed around what parts were on hand. It can have the same loading issue. |
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Hamtronics S-Meter Circuit
By Kevin K. Custer W3KKC Kevin's circuit for the Hamtronics will work on any receiver that uses the Motorola MC-3357 or MC-3359 style IF amplifier / limiter / detector chip, and that includes a number of scanner receivers. |
Media Files:
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RC-96 "Getting Started" instructional audio tape 5.6 MB MP3 format Courtesy Dave Karr KA9FUR |
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RC-850 "Getting Started" instructional audio tape 24.2 MB MP3 format |
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ACC DVR Demo tape 13.6 MB MP3 format |
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RC-85 and RC-96 instructional tape 20 MB MP3 format |
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RC-850 and RC-85 Demo tape 27 MB MP3 format |
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RC-850, RC-96, RC-85 and DVR Demo tape 37.3 MB MP3 format |
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A controller (likely an RC-850) saying "Seventy Three from Advanced Computer Controls" 204 kB WAV file. A good example of ACC's Texas Instruments TMS5220 speech capability. |
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In May of 2020 William Franzin (callsign?) posted this video of an RC-96 on Youtube: https://www.youtube.com/watch?v=_LHN0mDff-Q |
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Some of this information obtained from Link Communications, Inc. and used with permission. All rights to that material is reserved by Link Communications, Inc.
Hand-coded HTML Copyright © 05-Sept-2003 and date of last update by Mike Morris WA6ILQ.
Revised to use tables 08-Nov-14 by Robert Meister WA1MIK.
This web page, this web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.
