ELECRAFT K3S - K3 S Block Diagram

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83

K3S Block Diagram

Table of Contents

Default Chapter2
- Table of Contents2
A Note to K3 S Owners3
Key to Symbols and Text Styles3
Quick-Start Guide4
Introduction7
- K3 S Features7
- Specifications8
- Customer Service and Support10
Front Panel11
- Control Groups11
- Display (LCD)12
- Leds13
- Front Panel Connectors13
- Primary Controls13
- Multi-Function Controls14
- VFO Tuning Controls14
- Keypad15
- Memory Controls16
- Message Record/Play Controls16
- RIT and XIT Controls16
Rear Panel17
- Connector Groups17
- Control and Audio Connections18
Basic Operation23
- Receiver Setup25
- Reducing Interference and Noise27
- Transmitter Setup28
- Voice Modes (SSB, AM, FM)30
- CW Mode32
- Data Modes33
Advanced Operating Features35
- Text Decode and Display35
- CW-To-DATA36
- Tuning Aids: CWT and SPOT36
- Audio Effects (AFX)37
- APF and Dual-Passband CW Filtering37
- Receive Audio Equalization (EQ)37
- Transmit Audio Equalization (EQ)37
- SPLIT and Cross-Mode Operation38
- Extended Single Sideband (ESSB)38
- General-Coverage Receive38
- VFO B Alternate Displays38
- Alarm and Auto Power-On38
- Using the Sub Receiver39
- Receive Antenna In/Out41
- Buffered I.F. Output for Panadapters41
- Using the 100-550 Khz Range41
- Using Transverters41
- Scanning42
Main and Sub Receiver Antenna Routing43
- Preamp 2 Limitations45
Remote Control of the K3S46
Options and Accessories47
Firmware Upgrades47
Configuration48
- Crystal Filter Setup48
- Module Enables49
- Miscellaneous Setup50
- VFO a Knob Friction Adjustment50
- VFO B Knob Friction Adjustment51
- Real Time Clock Battery Replacement51
Calibration Procedures52
- Synthesizer52
- Wattmeter52
- Transmitter Gain52
- Reference Oscillator53
- Front Panel Temperature Sensor54
- PA Temperature Sensor54
- S-Meter and RF GAIN Control54
Menu Functions55
- MAIN Menu55
- CONFIG Menu57
Troubleshooting69
- Parameter Initialization72
- Module Troubleshooting73
Theory of Operation77
- Rf Board77
- KAT3A (ATU) and KANT379
- KIO3B (Audio/Digital I/O)79
- Front Panel and DSP79
- KREF3 (Ref./2 KSYN3A (Synthesizer)81
- Nd LO)81
- Firmware81
- K3 S Block Diagram83
Appendix A: Crystal Filter Installation84
Index88

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Assembly Manual92 pages

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Programmer's Reference33 pages

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