Elecraft K3 Owner's Manual - Manual (Page 2)

2
Contents
A Note to K3 Owners ..................................... 3
Key to Symbols and Text Styles ..................... 3
Quick-Start Guide........................................... 4
Introduction.................................................... 7
K3 Features ............................................................7
Specifications .........................................................8
Customer Service and Support ............................10
Front Panel ................................................... 11
Control Groups.....................................................11
Display (LCD)......................................................12
LEDs.....................................................................13
Front Panel Connectors........................................13
Primary Controls ..................................................13
Multi-Function Controls ......................................14
VFO Tuning Controls ..........................................14
Keypad..................................................................15
Memory Controls .................................................16
Message Record/Play Controls............................16
RIT and XIT Controls..........................................16
Rear Panel .................................................... 17
Connector Groups ................................................17
KIO3 Module .......................................................18
Basic Operation ............................................ 21
Receiver Setup .....................................................23
Reducing Interference and Noise ........................25
Transmitter Setup.................................................26
Voice Modes (SSB, AM, FM).............................28
CW Mode .............................................................30
Data Modes ..........................................................31
Advanced Operating Features....................... 33
Text Decode And Display....................................33
CW-to-DATA.......................................................34
Tuning Aids: CWT and SPOT.............................34
Audio Effects (AFX)............................................35
APF and Dual-Passband CW Filtering................35
Receive Audio Equalization (EQ) .......................35
Transmit Audio Equalization (EQ) .....................35
SPLIT and Cross-Mode Operation......................36
Extended Single Sideband (ESSB)......................36
General-Coverage Receive ..................................36
VFO B Alternate Displays...................................36
Alarm and Auto Power-On..................................36
Using the Sub Receiver........................................37
Receive Antenna In/Out.......................................39
Buffered I.F. Output............................................ 39
Using Transverters .............................................. 39
Scanning .............................................................. 40
Main and Sub Receiver Antenna Routing..... 41
Basic K3 (no KAT3 or KXV3)........................... 41
K3 with KXV3 RF I/O Module.......................... 41
K3 with KAT3 ATU ........................................... 42
K3 with KAT3 and KXV3.................................. 43
Remote Control of the K3 ............................ 44
Options and Accessories .............................. 45
Firmware Upgrades...................................... 45
Configuration............................................... 46
Crystal Filter Setup ............................................. 46
Option Module Enables ...................................... 47
Miscellaneous Setup ........................................... 47
VFO A Knob Friction Adjustment ..................... 48
VFO B Knob Friction Adjustment ..................... 48
Real Time Clock Battery Replacement .............. 48
Calibration Procedures ................................. 49
Synthesizer .......................................................... 49
Wattmeter ............................................................ 49
Transmitter Gain ................................................. 49
Reference Oscillator............................................ 50
Front Panel Temperature Sensor ........................ 51
PA Temperature Sensor ...................................... 51
S-Meter and RF GAIN Control .......................... 51
Menu Functions ........................................... 52
MAIN Menu........................................................ 52
CONFIG Menu.................................................... 53
Troubleshooting ........................................... 64
Parameter Initialization....................................... 66
Module Troubleshooting..................................... 67
Theory Of Operation .................................... 71
RF BOARD ......................................................... 71
KAT3 (ATU) and KANT3 ................................. 73
KIO3 (AF/Digital I/O) ........................................ 73
Front Panel and DSP ........................................... 73
KREF3 (Ref./2
nd LO).......................................... 74
KSYN3 (Synthesizer) ......................................... 75
Firmware.............................................................. 75
K3 Block Diagram .............................................. 76
Appendix A: Crystal Filter Installation......... 77
Index............................................................ 81