Elecraft Document Download Page

Document and Software Download Page

These sections are formatted as PDF files. (The newer Acrobat free reader V7.0+ may be more compatible.) If you don't have the Adobe PDF viewer, follow this link to download a free PDF viewer

INDEX

K3, K2, W1 Software/Firmware Download Page
KX1
K1
K2 (Including Programmer's Reference)
K3 (Including K144XV, KUSB Drivers and K3 Programmer's Reference)
T1
XV Transverters
Mini-Modules
KRC2
W2 Wattmeter
P3 High-Performance Panadapter
Data Sheets, Banners, High Res Drawings and PowerPoint Slides

K1, K2, K3 and Option manuals now available in German and French.

(Handbuecher von K1, K2, K3 und Optionen nun beziehbar in Deutsch)

(Des manuels du K1, K2, K3 et des options alors délivrables en francais de DL9PR)

Manuales y artículo de Elecraft en español Traducidos por Paulí Nuñez, EA3BLQ Gracias Paulí !

KX1, K2, K3 Mini Op. Manuals from Nifty! Ham Accessories

Data Sheets,Banners and K1/K2 High Resolution Drawings

Newest Mini-Modules Data Sheet (pdf) (202 KB) Newest Mini-Modules Data Sheet - W1, AF1, AT1 (Oct 2006)

Mini-Modules Data Sheet (pdf) (250 KB) Mini-Modules Data Sheet ( July 2006)

T1 ATU Data Sheet (pdf) (1 MB) T1 Miniature ATU Data Sheet (July 2006)

KX1 Data Sheet (pdf) (248 KB) KX1 Data Sheet (July 2006)

K1 Data Sheet (PDF)
(800 KB) K1 Data Sheet (July 2006) - Print and give to your friends!

K2 Data Sheet (PDF)
(840 KB) K2 Data Sheet (July 2006) - Print and give to your friends!

K3 Datasheet (.pdf) (500 KB) K3 Data Sheet (May 2007) - Print and give to your friends!

XV Transverters Data Sheet (pdf) (372 KB) XV Series Transverters Data Sheet, Includes XV432 (July 2006) - Print and give to your friends!

K1 High Resolution Drawing (28 KB) High Resolution drawing (2X) of the K1 for your web page and QSL card use.

K2 High Resolution Drawing (62 KB) High Resolution drawing (2X) of the K2 for your web page and QSL card use.

K2/100 High Resolution Picture (450 KB) High Resolution .JPG picture of theK2/100

Elecraft Banner Ad (gif) (11 KB) Banner Ad Graphic - Rotates through K1 and K2 pictures
(Right click on the link to save to a file.)

Slide Presentations

K3 PowerPoint Slides PowerPoint K3 Slide Set for Club Presentations (c) 2009 Elecraft, Inc. Includes descriptions and pictures of the K3, P3 (new) and receiver performance comparison table. Slides may be duplicated for Radio Club presentation use. Feel free to select slides from this collection for your club presentations. (4.5MB)

Elecraft K1, K2 PowerPoint Slides PowerPoint Slide Set for Club Presentations on Elecraft. (c) 2001 Elecraft. Includes descriptions and pictures of the K1 and K2 along with numerous slides on Elecraft and a picture of Wayne and Eric. Slides may be duplicated for Radio Club presentation use. Feel free to select slides from this collection for your club presentations. (3.8MB)

Free PowerPoint Slide Viewer Free PowerPoint viewer software from Microsoft. Download and use to view the above slides. New 2003 version for PowerPoint '97 to present slides.

T1 Miniature Autotuner

T1 ATU Owner's Manual (pdf) (1.2 MB) T1 Owner's Manual Rev A2 (March 14, 2005)

T1 Assembly Manual (pdf) (900 KB) T1 Assembly Manual Rev A (March 14, 2005)

T1 Assembly Errata (pdf) (115 KB ) Errata for T1 Assembly Manual Rev A2 (June 1, 2005)

T1-FT817 Remote Control Cable Manual (pdf) (120 KB) T1-FT817 Remote Control Cable Manual Rev A (Mar. 14, 2005)

KX1 Ultra Portable CW Transceiver

KX1 Manual (.pdf) (2.7 MB) KX1 Assembly and operations manual with schematics Rev D (Oct. 9, 2009)

KX1 Manual Errata (.pdf) (39 KB) KX1 Errata Rev D-1. (Oct. 19, 2009)

KX1 Quick Reference (.pdf) (80 kB) Single page reference to KX1 functions. (Extracted from the KX1 manual)

KXAT1 Manual
.
(390 kB) KXAT1 Autotuner assembly and operations manual with schematics. Production Release Rev A. (Oct 15, 2003) Manual Errata A-2 (1/7/04) KXAT1 F/W 1.2 upgrade description

KXPD1 Manual (.pdf)

(340 kB) KXPD1 Paddle assembly and operations manual. Production Release Rev A. (Oct 15, 2003)

KXPD1 Manual Errata (pdf) (115kB) Errata KXPD1 Rev A-2 (June 23, 2006)

KXB30 Manual (.pdf) (1.1 MB) KXB30 30M option assembly and operations manual with schematics. Production Release Rev A. (Oct 15, 2003) Manual Errata A-1 (10/28/03)

KXB3080 Manual (.pdf) (761 kB) KXB3080 30M and 80M adapter assembly and operations manual with schematics Rev A (March 2006)

KXB3080 Manual Errata(.pdf) KXB3080 Manual Errata Rev A-1 (April 14, 2006) ( See Builder's Alert)

K1 And Accessories

K1 Manual (.pdf) (3.7MB) K1 Owner's Manual, Rev G, September 30, 2009

K1 Manual Errata (.pdf) (8 KB) Errata rev G-1 October 20, 2009

K1 1.09 F/W Description (.pdf) (21KB) K1 Version 1.09 Firmware description and upgrade instructions

KNB1 Manual (.pdf) (188 KB) Rev C, Jan 18, 2001

KNB1 Manual Errata(.pdf) (16 KB) Errata for the KNB1 Manual (Rev C-2) Effective shipments 02/17/06

KAT1 Manual (.pdf) (216 KB) Rev C, Jan 18, 2001

KAT1 Manual Errata (23 KB) Errata for the KAT1 Manual (Rev C-1, 3/10/03)

KFL1-2 Instruction Sheet (.pdf)
(114 KB) Additional Two Band Module for the K1. Rev H, 3/10/03

KFL1-4 Manual (.pdf) (178 KB) Four Band Module for the K1. Rev A, 10/17/01; (Also used with the K1 manual for K1-4s.)

KFL1-4 Manual Errata (.pdf) (25 KB) Errata for the KFL1 Manual (Rev A-3)

KTS1 Instruction Sheet (.pdf) (440 KB) Latest instruction sheet for the Wide Range Tilt Stand for the K1. (Rev G, 1/24/01)

KBT1 Manual (pdf) (195 KB) KBT1 Battery Adapter, Rev A 6/29/01

KBT1 Manual Errata (.pdf) (16 KB) Errata Rev A-6 for the KBT1 (Dec. 5, 2006)

K1BKLTKT LCD Mod Kit (.pdf) (218 KB) Instruction Sheet Rev C. LCD Backlight Modification for Built and un-Built K1's (07/27/06)

K2 and Accessories

K2 Manual (.pdf)

(4.7 MB) REV G - May 29, 2007 - K2 Manual for K2s with serial numbers 4060 and above using the new Revision B PCB. - Main section including appendices A,B,C, and E. Appendix D is a separate file For earlier manual revisions and K2 s/n's, see the Manual Archive Page

Appendix D (.pdf) (2.7 MB) Detail Pictures of a K2 During Construction (Rev G Manual)

K2 Owner's Manual Errata (pdf) (99 KB) K2 Owner's Operation Manual Errata (Rev G-10, 10/20/09)

K2 Mini operating Manual New K2 Mini Operating Manual from Nifty! Ham Accessories. Includes latest 2.04 firmware features.
http://www.niftyaccessories.com/Elecraft_RefGuide.htm

K2 PLL Ref Upgr (.pdf) (290 KB) Instructions for K2 Temperature-Compensated PLL Reference Upgrade

K2ATOBKT (.pdf) (200KB) K2 Revision A to B upgrade instructions.

K2BCOMPKT (.pdf) (10 KB) K2 B Component Kit instructions (kit of parts to build unbuilt Rev A K2s and complete them as Rev B.)

K2 Keying B/W Mod (.pdf) (426 KB) Installation instructions for the K2 CW Keying Bandwidth Mod. (Included with K2s s/n 4060+.) Rev A, Feb 3, 2004

KPA100 Manual (.pdf) (1.8 MB) 100W Internal Integration kit for the K2, Assembly and Operations Manual. Rev F, October 7, 2009

KPA100 Errata F-1(.pdf) (7 KB) KPA100 Manual Errata Rev F-1 (October 27, 2009)

KPA100 Error Codes (.pdf) (6 KB) Error Codes for the KPA100 (Addendum to manual.)

KPA100 Shield Upgrade (.pdf) (100 KB) KPA100 Shield Upgrade Instructions. (Rev B) This shield is included with all K2's S/N 3574+, shipped on June 14, 2003 or later.

KPA100MODKT (.pdf) (100KB) KPA100 Mod Kit Instructions

KPA100UPKT (.pdf) KPA100 Upgrade Kit Instructions

KPA100UPKT Errata (.pdf) (1,087 KB) KAP100UPKT Errata Rev A-6 (Nov. 9, 2007)

KSB2 Manual (.pdf)
(450 KB) SSB Option Manual (Rev E July 20, 2004)

KSB2 Manual Errata (.pdf)
(60 KB) Errata for our K2 SSB Option (Rev E-1, 08/01/05)

ProSet-K2/K3 (.pdf) (179 KB) Heil Boom Headset w/ Mic Inst. Manual (Rev C, May 30, 2009)

K160RX Manual (.pdf)
(55 KB) 160M / 2nd RX Option Manual (REV D, 10/10/06)

KNB2 Manual (.pdf) (104 KB) Noise Blanker Option Manual (REV D, Aug 20, 2002)

KNB2 Manual Errata (.pdf)
(21 KB) Errata for KNB2 Manual (REV D-1 , April 16, 2007)

KBT2 Manual (.pdf)
(177 KB) Battery Option Manual Rev A 7/19/99

KAT2 Manual (.pdf)
(216 KB ) K2 Internal Auto Tuner Manual (Rev D, 3/22/01)

KAT2 Manual Errata (.pdf) (66 KB) Errata for the Rev D KAT2 Manual (Rev D-3, 02/25/2010)

KAT100 Manual (.pdf) (2.1MB) KAT100 150W External Auto Tuner Manual (Rev C, 3/12/03)

KIO2 Manual (.pdf) (178 KB) RS-232 Remote Control Option for the K2 (Rev B, 7/16/01)

KIO2 Manual Errata (.pdf) (14 KB) KIO2 Manual Errata (Rev B-2, 4/12/06)

KDSP2 Manual (.pdf) (745 KB) KDSP2 DSP for the K2 (Rev A1, June 2003)

KDSP2 Manual Errata (.pdf) (86 KB) KDSP2 Manual Errata (Rev A-3, 2/5/07)

KAF2 Manual (.pdf) (277 KB) KAF2 Audio Filter / Real Time Clock Manual (Rev A, 8/30/01)

K60XV Manual (.pdf) (2.2 MB) K60XV 60-M and Transverter Interface Manual (Rev A, 3/15/04)

K60XV Errata (pdf) ( 66 KB ) Errata for K60XV Manual (Rev A-3, 6/8/04)

SSBCAPKT Manual (pdf) (155 KB) SSB Bandwidth Increase Capacitor kit manual for the KSB2. (11/04)

K2VCOSHLDKT Manual (pdf) (150 KB) K2 VCO Magnetic Shield Kit (Rev E, 10/05)

K2 Programmer's Command Reference - RS-232 Computer Control

K2 / KIO2 Programmer's Reference (.pdf) (193 KB) Complete programmer's command reference, REV E, for RS-232 computer control of the K2 with the KIO2 or KPA100 . (Feb 3, 2004)

K2 Firmware Update Notes

2.04 K2 Firmware Notes (.pdf)
(139 KB) Version 2.04 Firmware for the K2: Installation instructions and new features list. (Rev J, Sept. 10, 2008)

K3 and Accessories

K3 Owner's Manual (pdf) (12.8 MB) K3 Owner's Operation Manual, High Res. (Rev D7, 04/12/2010)

K3 Owner's Manual (pdf) (1.8 MB) K3 Owner's Operation Manual, Web Res. (Rev D7, 04/12/2010)

K3 Owner's Manual Errata (pdf) (60 KB) K3 Owner's Operation Manual Errata (Rev D7-1, 04/13/2010)

K3 Assembly Manual (pdf) (12 MB) K3 Assembly Manual, High Res. (Rev L1, 06/18/2010)

K3 Assembly Manual (pdf) (5 MB) K3 Assembly Manual, Web Res. (Rev L1, 06/18/2010)

K3 Assembly Manual Errata (pdf) (7 KB) K3 Assembly Manual Errata (Rev L1-1, 08/22/2010)

K144XV Manual (pdf) (1.6 MB) K144XV 2M internal Module Assembly and Operating Manual        (Rev C, 03/15/2010)

K144XV Install & Operation Manual Errata (pdf) (7 KB) KRX3 Install & Operation Manual Errata (Rev C-1, 07/31/10)

ProSet-K2/K3 (.pdf) (179 KB) Heil Boom Headset w/ Mic Inst. Manual (Rev C, May 30, 2009) Now includes instructions for the K3!

KPA3 Manual (pdf) (2.9 MB) KPA3 100W Option Manual (Rev F, 08/11/09)

KAT3 Manual (pdf) KAT3 Autotuner Manual (Rev B, 10/28/07)

KBPF3 Manual (pdf) (2.5 MB) KBPF3 General Coverage RX Option Manual (Rev D, 6/24/08)

KRX3 Manual (pdf) (3.2 MB) KRX3 Sub Receiver Option Manual (Rev D, 06/18/09)

KRX3 Install & Operation Manual Errata (pdf) (7 KB) KRX3 Install & Operation Manual Errata (Rev D-1, 12/06/09)

K3PR6 Manual (pdf) (399 KB) K3PR6 6M Pre Amp Owner's Manual (Rev A, 10/23/08)

K3PR6 Owner's Manual Errata (pdf) (7 KB) K3PR6 6M Pre Amp Owner's Manual Errata (Rev A-1, 11/19/08)

K3 Crystal Filter Manual (pdf) K3 Crystal Filter Installation Manual (Now part of Rev B Owner's Manual)

KXV3 Manual (pdf) KXV3 Transverter Interface Option Manual (Rev C, 06/24/08)

KXV3 Option Manual Errata (pdf) (14 KB) KXV3 Option Manual Errata (Rev C-4, 01/31/09)

KXV3A Manual (pdf) (1.7 MB) KXV3A Transverter Interface Option Manual (Rev A, 08/24/09) (This manual applies to only the new KXV3A Xverter I/O board)

KDVR3 Manual (pdf) (1.7 MB) KDVR3 Installation Instructions (Rev A, 11/21/08)

KDVR3 Installation Instructions Errata (pdf) (16 KB) KDVR3 Installation Instructions Errata (Rev A-7, 03/01/09)

KTCXO3-1 Manual (pdf) KTCXO3-1 Installation Instructions (Rev C, 06/24/08)

KUSB Manual (pdf) (25 KB) KUSB Installation Instructions (Rev B, 11/17/08)

KUSB OS Drivers Page KUSB Drivers for Win2K, XP, Vista, Win 7, Mac OSX, OS 8 & 9 and Linux

K3 Schematics (pdf) (7.8 MB) K3 Schematic Package (June, 2010)

K3 Programmer's Reference (pdf) (275 KB) K3 Programmer's Reference (Rev C14, 8/28/2010)

K3 Front Panel Control Locations (.txt) K3 front panel control location text file for blind ops.

K3 Manual Archive Older K3 Manuals (For reference only.)

XV Transverters

XV Transverter Owner's Manual (pdf) (1.8 MB) XV Transverter (50, 144, 222, 432) Owner's Manual (Rev E, 01/20/2010)

XV Assembly Manual for XV50, 144 and 222 MHz (pdf) (1.5 MB) Assembly Manual for XV50, XV144 and XV222 (Rev C. 01/22/2007)

XV50, 144, 222 Assembly Manual Errata (pdf) (9 KB) Assembly Manual Errata for XV50, XV144, XV222 (Rev C-5, 04/30/2009)

XV Assembly Manual for XV432 MHz (pdf) (1.4 MB) Assembly Manual for XV432 Rev C ( April 2006)

XV 432 Assembly Manual Errata (pdf) (32 KB) Assembly Manual Errata for XV432 (Rev C-6, 12/07/2009)

XV Bypass Capacitor Change (pdf) (149 KB) Builder's Alert Bypass Capacitor Change (Rev B 04/30/2009)

Mini-Modules

W1 Watt-meter / SWR Bridge (532 KB) W1 Watt-meter / SWR Bridge, Rev D (Oct. 12, 2008)

AF1 Audio Filter (400 KB) AF1 Audio Filter, Rev A (Sept 7, 2006)

AF1 Audio Filter Errata (458KB) AF1 Audio Filter, Errata A-4 (January 23, 2008)

AT1 41 dB Step Attenuator (565 KB) AT1 41 dB HF / VHF Step Attenuator (Sept 7, 2006)

2T-Gen Manual (.pdf) (755 kB) 2T-Gen Two Tone Generator, Rev B, March 10, 2010

BL1 Manual (4:1) (.pdf) ( 438 KB) BL1 Balun, 4:1 winding, Rev B (Nov. 10, 2006)

BL1 Manual (1:1) (.pdf) ( 438 KB) BL1 Balun, 1:1 winding, Rev B (Nov 10, 2006)

BL2 Manual (.pdf) (256 KB) BL2 250W Balun. 1:1 and 4:1 Switchable, Rev B (October 12, 2008)

CP1 Manual (.pdf) (337 KB) CP1 Directional Couplet, Rev A (Sept 26, 2005)

CP1 Manual Errata (.pdf) CP1 Errata A-1 (June 7, 2006)

DL1 Manual (.pdf) ( 227 KB) DL1 Dummy Load, Rev B (Sept. 26, 2003)

Ngen Manual (.pdf) ( 42 KB) Ngen Noise Generator, Rev D (11/7/08)

XG1 Manual (.pdf) (280 KB) XG1 7 MHz Receiver Test Oscillator/S-Meter Calibrator, Rev C (Dec 15, 2003)

XG1 Manual Errata (.pdf) (15KB) XG1 Rev C Manual (Errata Rev C-2 February 15, 2007)

XG2 Manual (.pdf) (665 kB) XG2 Three Band Receiver Test Oscillator/S-Meter Calibrator
Rev E, Jan. 30, 2006

XG2 Manual Errata (.pdf) (66 kB) Errata for XG2 Rev E Manual (Rev E-4 June 5, 2009)

KRC2 Band Decoder

KRC2 Manual (1.7 MB) KRC2 Band Decoder manual. Rev C. (5/1/08)

KRC2 Errata (15 KB) Errata for KRC2 Band Decoder. Rev C-3. (08/18/09)

KRC2ACC Option Manual (.pdf) (170 KB) KRC2 Accessibility Option Manual (CW Feedback) (3/4/03)

KRC2 Download Program (zip) (1.4 MB) V1.1 Windows (98, 2000, ME, XP) program to download new firmware to the KRC2 from your PC. Also requires one of the firmware hex files listed below (KRC2 or KRC2ACC V1.2.hex) Unzip this file in a temp dir and run setup.exe

KRC2 Firmware V1.5 (38 KB) KRC2 Firmware V1.5. Adds K3 6 meter AuxBus selection, new mode for analog rigs.

KRC2ACC Firmware V1.5 (38 KB)KRC2ACC Firmware V1.5 (For the CW feedback, accessibility option version of the KRC2) Adds K3 6 meter AuxBus selection, new mode for analog rigs.

W2 Wattmeter

W2 Watt-meter / SWR Bridge (2.6 MB) W2 Watt-meter / SWR Bridge Owner's Manual Rev B (Nov. 19, 2009)

W2 Errata (189 KB) Errata for W2 Watt-meter. Rev B-2. (01/14/2010)

W2 Serial Interface Commands (373 KB) W2 Serial Interface Commands. Rev D (04/12/2010)

P3 Panadapter

P3 High-Performance Panadapter (2.7 MB) P3 Panadapter Owner's Manual Rev A4 (Aug. 18, 2010) What's changed

P3 Owner's Manual Errata (pdf) (16 KB) P3 Owner's Manual Errata (Rev A4-1, 08/26/2010)

Manual contents and specifications and prices are subject to change without notice.

These manuals may be printed and copied for personal use. They may not be duplicated, modified or sold for commercial purposes without permission from Elecraft.

[Elecraft HOME]

08/30/2010

Newest Mini-Modules Data Sheet (pdf)	(202 KB) Newest Mini-Modules Data Sheet - W1, AF1, AT1 (Oct 2006)
Mini-Modules Data Sheet (pdf)	(250 KB) Mini-Modules Data Sheet ( July 2006)
T1 ATU Data Sheet (pdf)	(1 MB) T1 Miniature ATU Data Sheet (July 2006)
KX1 Data Sheet (pdf)	(248 KB) KX1 Data Sheet (July 2006)
K1 Data Sheet (PDF)	(800 KB) K1 Data Sheet (July 2006) - Print and give to your friends!
K2 Data Sheet (PDF)	(840 KB) K2 Data Sheet (July 2006) - Print and give to your friends!
K3 Datasheet (.pdf)	(500 KB) K3 Data Sheet (May 2007) - Print and give to your friends!
XV Transverters Data Sheet (pdf)	(372 KB) XV Series Transverters Data Sheet, Includes XV432 (July 2006) - Print and give to your friends!
K1 High Resolution Drawing	(28 KB) High Resolution drawing (2X) of the K1 for your web page and QSL card use.
K2 High Resolution Drawing	(62 KB) High Resolution drawing (2X) of the K2 for your web page and QSL card use.
K2/100 High Resolution Picture	(450 KB) High Resolution .JPG picture of theK2/100
Elecraft Banner Ad (gif)	(11 KB) Banner Ad Graphic - Rotates through K1 and K2 pictures (Right click on the link to save to a file.)

K3 PowerPoint Slides	PowerPoint K3 Slide Set for Club Presentations (c) 2009 Elecraft, Inc. Includes descriptions and pictures of the K3, P3 (new) and receiver performance comparison table. Slides may be duplicated for Radio Club presentation use. Feel free to select slides from this collection for your club presentations. (4.5MB)
Elecraft K1, K2 PowerPoint Slides	PowerPoint Slide Set for Club Presentations on Elecraft. (c) 2001 Elecraft. Includes descriptions and pictures of the K1 and K2 along with numerous slides on Elecraft and a picture of Wayne and Eric. Slides may be duplicated for Radio Club presentation use. Feel free to select slides from this collection for your club presentations. (3.8MB)
Free PowerPoint Slide Viewer	Free PowerPoint viewer software from Microsoft. Download and use to view the above slides. New 2003 version for PowerPoint '97 to present slides.

T1 ATU Owner's Manual (pdf)	(1.2 MB) T1 Owner's Manual Rev A2 (March 14, 2005)
T1 Assembly Manual (pdf)	(900 KB) T1 Assembly Manual Rev A (March 14, 2005)
T1 Assembly Errata (pdf)	(115 KB ) Errata for T1 Assembly Manual Rev A2 (June 1, 2005)
T1-FT817 Remote Control Cable Manual (pdf)	(120 KB) T1-FT817 Remote Control Cable Manual Rev A (Mar. 14, 2005)

KX1 Manual (.pdf)	(2.7 MB) KX1 Assembly and operations manual with schematics Rev D (Oct. 9, 2009)
KX1 Manual Errata (.pdf)	(39 KB) KX1 Errata Rev D-1. (Oct. 19, 2009)
KX1 Quick Reference (.pdf)	(80 kB) Single page reference to KX1 functions. (Extracted from the KX1 manual)
KXAT1 Manual .	(390 kB) KXAT1 Autotuner assembly and operations manual with schematics. Production Release Rev A. (Oct 15, 2003) Manual Errata A-2 (1/7/04) KXAT1 F/W 1.2 upgrade description
KXPD1 Manual (.pdf)	(340 kB) KXPD1 Paddle assembly and operations manual. Production Release Rev A. (Oct 15, 2003)
KXPD1 Manual Errata (pdf)	(115kB) Errata KXPD1 Rev A-2 (June 23, 2006)
KXB30 Manual (.pdf)	(1.1 MB) KXB30 30M option assembly and operations manual with schematics. Production Release Rev A. (Oct 15, 2003) Manual Errata A-1 (10/28/03)
KXB3080 Manual (.pdf)	(761 kB) KXB3080 30M and 80M adapter assembly and operations manual with schematics Rev A (March 2006)
KXB3080 Manual Errata(.pdf)	KXB3080 Manual Errata Rev A-1 (April 14, 2006) ( See Builder's Alert)

K1 Manual (.pdf)	(3.7MB) K1 Owner's Manual, Rev G, September 30, 2009
K1 Manual Errata (.pdf)	(8 KB) Errata rev G-1 October 20, 2009
K1 1.09 F/W Description (.pdf)	(21KB) K1 Version 1.09 Firmware description and upgrade instructions
KNB1 Manual (.pdf)	(188 KB) Rev C, Jan 18, 2001
KNB1 Manual Errata(.pdf)	(16 KB) Errata for the KNB1 Manual (Rev C-2) Effective shipments 02/17/06
KAT1 Manual (.pdf)	(216 KB) Rev C, Jan 18, 2001
KAT1 Manual Errata	(23 KB) Errata for the KAT1 Manual (Rev C-1, 3/10/03)
KFL1-2 Instruction Sheet (.pdf)	(114 KB) Additional Two Band Module for the K1. Rev H, 3/10/03
KFL1-4 Manual (.pdf)	(178 KB) Four Band Module for the K1. Rev A, 10/17/01; (Also used with the K1 manual for K1-4s.)
KFL1-4 Manual Errata (.pdf)	(25 KB) Errata for the KFL1 Manual (Rev A-3)
KTS1 Instruction Sheet (.pdf)	(440 KB) Latest instruction sheet for the Wide Range Tilt Stand for the K1. (Rev G, 1/24/01)
KBT1 Manual (pdf)	(195 KB) KBT1 Battery Adapter, Rev A 6/29/01
KBT1 Manual Errata (.pdf)	(16 KB) Errata Rev A-6 for the KBT1 (Dec. 5, 2006)
K1BKLTKT LCD Mod Kit (.pdf)	(218 KB) Instruction Sheet Rev C. LCD Backlight Modification for Built and un-Built K1's (07/27/06)

K2 Manual (.pdf)	(4.7 MB) REV G - May 29, 2007 - K2 Manual for K2s with serial numbers 4060 and above using the new Revision B PCB. - Main section including appendices A,B,C, and E. Appendix D is a separate file For earlier manual revisions and K2 s/n's, see the Manual Archive Page
Appendix D (.pdf)	(2.7 MB) Detail Pictures of a K2 During Construction (Rev G Manual)
K2 Owner's Manual Errata (pdf)	(99 KB) K2 Owner's Operation Manual Errata (Rev G-10, 10/20/09)
K2 Mini operating Manual	New K2 Mini Operating Manual from Nifty! Ham Accessories. Includes latest 2.04 firmware features. http://www.niftyaccessories.com/Elecraft_RefGuide.htm
K2 PLL Ref Upgr (.pdf)	(290 KB) Instructions for K2 Temperature-Compensated PLL Reference Upgrade
K2ATOBKT (.pdf)	(200KB) K2 Revision A to B upgrade instructions.
K2BCOMPKT (.pdf)	(10 KB) K2 B Component Kit instructions (kit of parts to build unbuilt Rev A K2s and complete them as Rev B.)
K2 Keying B/W Mod (.pdf)	(426 KB) Installation instructions for the K2 CW Keying Bandwidth Mod. (Included with K2s s/n 4060+.) Rev A, Feb 3, 2004
KPA100 Manual (.pdf)	(1.8 MB) 100W Internal Integration kit for the K2, Assembly and Operations Manual. Rev F, October 7, 2009
KPA100 Errata F-1(.pdf)	(7 KB) KPA100 Manual Errata Rev F-1 (October 27, 2009)
KPA100 Error Codes (.pdf)	(6 KB) Error Codes for the KPA100 (Addendum to manual.)
KPA100 Shield Upgrade (.pdf)	(100 KB) KPA100 Shield Upgrade Instructions. (Rev B) This shield is included with all K2's S/N 3574+, shipped on June 14, 2003 or later.
KPA100MODKT (.pdf)	(100KB) KPA100 Mod Kit Instructions
KPA100UPKT (.pdf)	KPA100 Upgrade Kit Instructions
KPA100UPKT Errata (.pdf)	(1,087 KB) KAP100UPKT Errata Rev A-6 (Nov. 9, 2007)
KSB2 Manual (.pdf)	(450 KB) SSB Option Manual (Rev E July 20, 2004)
KSB2 Manual Errata (.pdf)	(60 KB) Errata for our K2 SSB Option (Rev E-1, 08/01/05)
ProSet-K2/K3 (.pdf)	(179 KB) Heil Boom Headset w/ Mic Inst. Manual (Rev C, May 30, 2009)
K160RX Manual (.pdf)	(55 KB) 160M / 2nd RX Option Manual (REV D, 10/10/06)
KNB2 Manual (.pdf)	(104 KB) Noise Blanker Option Manual (REV D, Aug 20, 2002)
KNB2 Manual Errata (.pdf)	(21 KB) Errata for KNB2 Manual (REV D-1 , April 16, 2007)
KBT2 Manual (.pdf)	(177 KB) Battery Option Manual Rev A 7/19/99
KAT2 Manual (.pdf)	(216 KB ) K2 Internal Auto Tuner Manual (Rev D, 3/22/01)
KAT2 Manual Errata (.pdf)	(66 KB) Errata for the Rev D KAT2 Manual (Rev D-3, 02/25/2010)
KAT100 Manual (.pdf)	(2.1MB) KAT100 150W External Auto Tuner Manual (Rev C, 3/12/03)
KIO2 Manual (.pdf)	(178 KB) RS-232 Remote Control Option for the K2 (Rev B, 7/16/01)
KIO2 Manual Errata (.pdf)	(14 KB) KIO2 Manual Errata (Rev B-2, 4/12/06)
KDSP2 Manual (.pdf)	(745 KB) KDSP2 DSP for the K2 (Rev A1, June 2003)
KDSP2 Manual Errata (.pdf)	(86 KB) KDSP2 Manual Errata (Rev A-3, 2/5/07)
KAF2 Manual (.pdf)	(277 KB) KAF2 Audio Filter / Real Time Clock Manual (Rev A, 8/30/01)
K60XV Manual (.pdf)	(2.2 MB) K60XV 60-M and Transverter Interface Manual (Rev A, 3/15/04)
K60XV Errata (pdf)	( 66 KB ) Errata for K60XV Manual (Rev A-3, 6/8/04)
SSBCAPKT Manual (pdf)	(155 KB) SSB Bandwidth Increase Capacitor kit manual for the KSB2. (11/04)
K2VCOSHLDKT Manual (pdf)	(150 KB) K2 VCO Magnetic Shield Kit (Rev E, 10/05)

K3 Owner's Manual (pdf)	(12.8 MB) K3 Owner's Operation Manual, High Res. (Rev D7, 04/12/2010)
K3 Owner's Manual (pdf)	(1.8 MB) K3 Owner's Operation Manual, Web Res. (Rev D7, 04/12/2010)
K3 Owner's Manual Errata (pdf)	(60 KB) K3 Owner's Operation Manual Errata (Rev D7-1, 04/13/2010)
K3 Assembly Manual (pdf)	(12 MB) K3 Assembly Manual, High Res. (Rev L1, 06/18/2010)
K3 Assembly Manual (pdf)	(5 MB) K3 Assembly Manual, Web Res. (Rev L1, 06/18/2010)
K3 Assembly Manual Errata (pdf)	(7 KB) K3 Assembly Manual Errata (Rev L1-1, 08/22/2010)
K144XV Manual (pdf)	(1.6 MB) K144XV 2M internal Module Assembly and Operating Manual (Rev C, 03/15/2010)
K144XV Install & Operation Manual Errata (pdf)	(7 KB) KRX3 Install & Operation Manual Errata (Rev C-1, 07/31/10)
ProSet-K2/K3 (.pdf)	(179 KB) Heil Boom Headset w/ Mic Inst. Manual (Rev C, May 30, 2009) Now includes instructions for the K3!
KPA3 Manual (pdf)	(2.9 MB) KPA3 100W Option Manual (Rev F, 08/11/09)
KAT3 Manual (pdf)	KAT3 Autotuner Manual (Rev B, 10/28/07)
KBPF3 Manual (pdf)	(2.5 MB) KBPF3 General Coverage RX Option Manual (Rev D, 6/24/08)
KRX3 Manual (pdf)	(3.2 MB) KRX3 Sub Receiver Option Manual (Rev D, 06/18/09)
KRX3 Install & Operation Manual Errata (pdf)	(7 KB) KRX3 Install & Operation Manual Errata (Rev D-1, 12/06/09)
K3PR6 Manual (pdf)	(399 KB) K3PR6 6M Pre Amp Owner's Manual (Rev A, 10/23/08)
K3PR6 Owner's Manual Errata (pdf)	(7 KB) K3PR6 6M Pre Amp Owner's Manual Errata (Rev A-1, 11/19/08)
K3 Crystal Filter Manual (pdf)	K3 Crystal Filter Installation Manual (Now part of Rev B Owner's Manual)
KXV3 Manual (pdf)	KXV3 Transverter Interface Option Manual (Rev C, 06/24/08)
KXV3 Option Manual Errata (pdf)	(14 KB) KXV3 Option Manual Errata (Rev C-4, 01/31/09)
KXV3A Manual (pdf)	(1.7 MB) KXV3A Transverter Interface Option Manual (Rev A, 08/24/09) (This manual applies to only the new KXV3A Xverter I/O board)
KDVR3 Manual (pdf)	(1.7 MB) KDVR3 Installation Instructions (Rev A, 11/21/08)
KDVR3 Installation Instructions Errata (pdf)	(16 KB) KDVR3 Installation Instructions Errata (Rev A-7, 03/01/09)
KTCXO3-1 Manual (pdf)	KTCXO3-1 Installation Instructions (Rev C, 06/24/08)
KUSB Manual (pdf)	(25 KB) KUSB Installation Instructions (Rev B, 11/17/08)
KUSB OS Drivers Page	KUSB Drivers for Win2K, XP, Vista, Win 7, Mac OSX, OS 8 & 9 and Linux
K3 Schematics (pdf)	(7.8 MB) K3 Schematic Package (June, 2010)
K3 Programmer's Reference (pdf)	(275 KB) K3 Programmer's Reference (Rev C14, 8/28/2010)
K3 Front Panel Control Locations (.txt)	K3 front panel control location text file for blind ops.
K3 Manual Archive	Older K3 Manuals (For reference only.)

XV Transverter Owner's Manual (pdf)	(1.8 MB) XV Transverter (50, 144, 222, 432) Owner's Manual (Rev E, 01/20/2010)
XV Assembly Manual for XV50, 144 and 222 MHz (pdf)	(1.5 MB) Assembly Manual for XV50, XV144 and XV222 (Rev C. 01/22/2007)
XV50, 144, 222 Assembly Manual Errata (pdf)	(9 KB) Assembly Manual Errata for XV50, XV144, XV222 (Rev C-5, 04/30/2009)
XV Assembly Manual for XV432 MHz (pdf)	(1.4 MB) Assembly Manual for XV432 Rev C ( April 2006)
XV 432 Assembly Manual Errata (pdf)	(32 KB) Assembly Manual Errata for XV432 (Rev C-6, 12/07/2009)
XV Bypass Capacitor Change (pdf)	(149 KB) Builder's Alert Bypass Capacitor Change (Rev B 04/30/2009)

W1 Watt-meter / SWR Bridge	(532 KB) W1 Watt-meter / SWR Bridge, Rev D (Oct. 12, 2008)
AF1 Audio Filter	(400 KB) AF1 Audio Filter, Rev A (Sept 7, 2006)
AF1 Audio Filter Errata	(458KB) AF1 Audio Filter, Errata A-4 (January 23, 2008)
AT1 41 dB Step Attenuator	(565 KB) AT1 41 dB HF / VHF Step Attenuator (Sept 7, 2006)
2T-Gen Manual (.pdf)	(755 kB) 2T-Gen Two Tone Generator, Rev B, March 10, 2010
BL1 Manual (4:1) (.pdf)	( 438 KB) BL1 Balun, 4:1 winding, Rev B (Nov. 10, 2006)
BL1 Manual (1:1) (.pdf)	( 438 KB) BL1 Balun, 1:1 winding, Rev B (Nov 10, 2006)
BL2 Manual (.pdf)	(256 KB) BL2 250W Balun. 1:1 and 4:1 Switchable, Rev B (October 12, 2008)
CP1 Manual (.pdf)	(337 KB) CP1 Directional Couplet, Rev A (Sept 26, 2005)
CP1 Manual Errata (.pdf)	CP1 Errata A-1 (June 7, 2006)
DL1 Manual (.pdf)	( 227 KB) DL1 Dummy Load, Rev B (Sept. 26, 2003)
Ngen Manual (.pdf)	( 42 KB) Ngen Noise Generator, Rev D (11/7/08)
XG1 Manual (.pdf)	(280 KB) XG1 7 MHz Receiver Test Oscillator/S-Meter Calibrator, Rev C (Dec 15, 2003)
XG1 Manual Errata (.pdf)	(15KB) XG1 Rev C Manual (Errata Rev C-2 February 15, 2007)
XG2 Manual (.pdf)	(665 kB) XG2 Three Band Receiver Test Oscillator/S-Meter Calibrator Rev E, Jan. 30, 2006
XG2 Manual Errata (.pdf)	(66 kB) Errata for XG2 Rev E Manual (Rev E-4 June 5, 2009)

KRC2 Manual	(1.7 MB) KRC2 Band Decoder manual. Rev C. (5/1/08)
KRC2 Errata	(15 KB) Errata for KRC2 Band Decoder. Rev C-3. (08/18/09)
KRC2ACC Option Manual (.pdf)	(170 KB) KRC2 Accessibility Option Manual (CW Feedback) (3/4/03)
KRC2 Download Program (zip)	(1.4 MB) V1.1 Windows (98, 2000, ME, XP) program to download new firmware to the KRC2 from your PC. Also requires one of the firmware hex files listed below (KRC2 or KRC2ACC V1.2.hex) Unzip this file in a temp dir and run setup.exe
KRC2 Firmware V1.5	(38 KB) KRC2 Firmware V1.5. Adds K3 6 meter AuxBus selection, new mode for analog rigs.
KRC2ACC Firmware V1.5	(38 KB)KRC2ACC Firmware V1.5 (For the CW feedback, accessibility option version of the KRC2) Adds K3 6 meter AuxBus selection, new mode for analog rigs.

W2 Watt-meter / SWR Bridge	(2.6 MB) W2 Watt-meter / SWR Bridge Owner's Manual Rev B (Nov. 19, 2009)
W2 Errata	(189 KB) Errata for W2 Watt-meter. Rev B-2. (01/14/2010)
W2 Serial Interface Commands	(373 KB) W2 Serial Interface Commands. Rev D (04/12/2010)

P3 High-Performance Panadapter	(2.7 MB) P3 Panadapter Owner's Manual Rev A4 (Aug. 18, 2010) What's changed
P3 Owner's Manual Errata (pdf)	(16 KB) P3 Owner's Manual Errata (Rev A4-1, 08/26/2010)