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Contents
A Note to K3 Owners ..................................... 3
Key to Symbols and Text Styles ..................... 3
Quick-Start Guide........................................... 4
Introduction.................................................... 7
Buffered I.F. Output............................................ 36
Using Transverters .............................................. 36
Scanning .............................................................. 37
Main and Sub Receiver Antenna Routing..... 38
Basic K3 (no KAT3 or KXV3)........................... 38
K3 with KXV3 RF I/O Module .......................... 38
K3 with KAT3 ATU ........................................... 39
K3 with KAT3 and KXV3.................................. 40
Antenna Selection Controls ................................ 40
K3 Features ............................................................7
Specifications .........................................................8
Customer Service and Support ............................10
Front Panel ................................................... 11
Control Groups.....................................................11
Display..................................................................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
Remote Control of the K3 ............................ 41
Options ........................................................ 42
Firmware Upgrades...................................... 42
Configuration............................................... 43
Crystal Filter Setup ............................................. 43
Option Module Enables ...................................... 44
Miscellaneous Setup ........................................... 44
VFO A Knob Friction Adjustment ..................... 45
VFO B Knob Friction Adjustment ..................... 45
Real Time Clock Battery Replacement .............. 45
Rear Panel .................................................... 17
Calibration Procedures ................................. 46
Connector Groups ................................................17
KIO3 Module .......................................................18
Synthesizer .......................................................... 46
Wattmeter ............................................................ 46
Transmitter Gain ................................................. 46
Reference Oscillator............................................ 47
Front Panel Temperature Sensor ........................ 48
PA Temperature Sensor ...................................... 48
S-Meter ................................................................ 48
Basic Operation ............................................ 21
Receiver Setup .....................................................23
Reducing Interference and Noise ........................24
Transmitter Setup.................................................25
Voice Modes ........................................................26
CW Mode .............................................................28
Data Modes ..........................................................29
Menu Functions ........................................... 49
MAIN Menu ........................................................ 49
CONFIG Menu.................................................... 50
Advanced Operating Features ....................... 31
Troubleshooting ........................................... 55
Text Decode And Display....................................31
CW-to-DATA.......................................................32
Tuning Aids: CWT and SPOT.............................32
Audio Effects (AFX)............................................33
Dual Passband CW Filtering ...............................33
Receive Audio Equalization (EQ) .......................33
Transmit Audio Equalization (EQ) .....................33
SPLIT Operation ..................................................34
Extended Single Sideband (ESSB)......................34
General-Coverage Receive ..................................34
VFO B Alternate Displays...................................34
Alarm and Auto Power-On..................................34
Using the Sub Receiver........................................35
Receive Antenna In/Out.......................................36
Parameter Initialization....................................... 55
General Troubleshooting .................................... 56
Module Troubleshooting..................................... 57
Theory Of Operation .................................... 61
RF BOARD ......................................................... 61
KANT3 and KAT3.............................................. 63
KIO3 .................................................................... 63
Front Panel and DSP ........................................... 63
KREF3................................................................. 64
KSYN3 ................................................................ 65
K3 Block Diagram .............................................. 66
Appendix A: Crystal Filter Installation......... 67
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