Keyer Documentation & Service Bulletins

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CMOS II

CMOS II Schematic
CMOS II v2 User Manual - English
CMOS II v2 User Manual - French (Courtesy Alain F6GUF)
CMOS II v2 User Manual Supplement
CMOS II v202 Command Summary
CMOS II v2 Tutorial - French (Courtesy Alain F6GUF)

CMOS III

CMOS III Schematic
CMOS III v1 Tutorial
CMOS III v1 User Manual
CMOS III v2 Construction Notes
CMOS III v2 Quick Reference Command Card
CMOS III v2 Tutorial
CMOS III v2 User Manual
CMOS III Parts Layout

CMOS-4

CMOS 4 User Manual - English
CMOS 4 User Manual - French (Courtesy Alain F6GUF)
CMOS 4 User Manual - Italian (Courtesy Claudio IZ1DNJ)
CMOS 4 Assembly Manual - English
CMOS 4 Assembly Manual - French (Courtesy Alain F6GUF)
CMOS 4 Service Bulletin #1 (only for kits made before May 31, 2002)
CMOS 4 Service Bulletin #2
CMOS 4 Service Bulletin #3 (for kits made before July 2006)

Logikey

K-1 Manual & Tutorial
K-3 Manual & Tutorial
K-5 Manual & Tutorial

Troubleshooting and Help

For troubleshooting hints and help for the CMOS-4 Keyer, and for warranty and non-warranty repairs, see KØQVF's site at http://k0qvf.com/

About Transceivers with 'Built-in' Keyers
What would make the perfect stand-alone CW keyer?

Logikey K-5 Keyer - Assembled & Tested
Super CMOS3 Keyer - Partial Kit
Logikit CMOS4 Keyer - Complete Kit or Assembled & Tested
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