CHAPTER 11

OPERATOR CONVENIENCES

63

MICROPROCESSOR RESET

63

INITIAL SETTINGS

63

PARTIAL RESET

63

FULL RESET

63

SWITCHING ANT 1/ ANT 2

63

PROGRAMMABLE FUNCTION BUTTONS

63

ASSIGNING FUNCTIONS

64

USING THE PROGRAMMED BUTTONS

64

LOCK FUNCTION

64

BEEP FUNCTION

64

BUTTON CONFIRMATION

65

ALARM NOTIFICATION

65

DISPLAY DIMMER

65

QUICK DATA TRANSFER

65

SETTING UP

65

Equipment Needed

65

Connections

66

USING QUICK TRANSFER

66

Transferring Data

66

Receiving Data

66

DRU-3 DIGITAL RECORDING SYSTEM

 

(OPTIONAL)

67

RECORDING MESSAGES

67

MESSAGE PLAYBACK

67

Checking Messages

67

Transmitting Messages (VOX)

67

Transmitting Messages (Manual TX/RX)

68

CONTINUOUS MULTI-CHANNEL

 

PLAYBACK

........................................................

68

ALTERING INTER-MESSAGE INTERVAL

68

VS-2 VOICE SYNTHESIZER (OPTIONAL)

68

CHAPTER 12

MAINTENANCE

69

GENERAL INFORMATION

69

SERVICE

69

SERVICE NOTE

69

CLEANING

69

INTERNAL ADJUSTMENTS

70

REFERENCE FREQUENCY CALIBRATION

70

DRU-3 DIGITAL RECORDING UNIT

 

(OPTIONAL)

70

AT-300 EXTERNAL TUNER (OPTIONAL)

70

TROUBLESHOOTING

71

CHAPTER 13

OPTIONAL ACCESSORIES

74

CHAPTER 14

INSTALLING OPTIONS

75

REMOVING THE CASE

75

TOP CASE

........................................................

75

BOTTOM CASE

75

DRU-3 DIGITAL RECORDING UNIT

75

VS-2 VOICE SYNTHESIZER UNIT

75

SO-2 TEMPERATURE-COMPENSATED

 

CRYSTAL OSCILLATOR (TCXO)

76

SPECIFICATIONS

77

APPENDICES

79

APPENDIX A: LEARNING ABOUT DSP

79

APPENDIX B: PROPAGATION INFORMATION ....

80

STANDARD TIME AND INFORMATION

 

STATIONS

80

NCDXF/IARU BEACON NETWORK

80

HF BEACONS

80

APPENDIX C: GENERAL COVERAGE RECEIVER

FOR SWLING

82

APPENDIX D: COM CONNECTOR

 

PROTOCOL

83

HARDWARE DESCRIPTION

83

CONTROL OPERATION

83

COMMANDS

83

COMMAND DESCRIPTION

83

PARAMETER DESCRIPTION

84

TERMINATOR

85

TYPES OF COMMANDS

85

COMPUTER CONTROL COMMANDS

85

ERROR MESSAGES

86

COMMAND USE PRECAUTIONS

86

MENU SELECTION TABLE FOR

 

“EX” COMMAND, PARAMETER 36

87

READING COMMAND TABLES

89

COMMAND TABLES

89

INDEX

96

iv

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Kenwood TS-870S Operator Conveniences, Maintenance, Optional Accessories, Installing Options, Specifications Appendices

TS-870S specifications

The Kenwood TS-870S is a distinguished transceiver that stands out in the world of amateur radio, particularly for enthusiasts who seek a blend of advanced technology and user-friendly features. Introduced in the early 1990s, this HF transceiver quickly gained a reputation for its exceptional performance, versatility, and reliability, making it a favorite among operators worldwide.

One of the most noteworthy features of the TS-870S is its direct-sampling technology, which allows for superior signal fidelity and processing. This technology enables the transceiver to operate across a range of 160 meters to 10 meters, catering to both casual and serious operators. Its high-performance 16-bit digital signal processing (DSP) facilitates effective noise reduction and filtering capabilities, enhancing the overall clarity during transmission and reception.

In terms of power, the TS-870S boasts an output of 100 watts, providing ample power for various communication needs. The transceiver is equipped with an automatic antenna tuner, which simplifies the task of matching the antenna to the operating frequency, ensuring optimal performance without the hassle of manual adjustments.

Another significant aspect of the Kenwood TS-870S is its user interface, featuring a large, easy-to-read display, and a logically arranged control layout. This makes it accessible for both novice and experienced operators. The built-in memories allow for quick storage and access to favorite frequencies and settings, enhancing operational efficiency.

The Kenwood TS-870S also includes various advanced features such as an optional 2.4 kHz and 6 kHz roofing filter which provides improved performance in crowded band conditions. The receiver's dual VFOs (Variable Frequency Oscillators) enable simultaneous monitoring of two frequencies, which is particularly useful for operators who need to keep track of multiple signals or engage in cross-band communication.

Apart from its technical specifications, the TS-870S is constructed with durability in mind, ensuring that it can withstand the rigors of frequent use. It supports various operating modes, including SSB, CW, AM, and FM, making it a versatile choice for diverse amateur radio activities.

In conclusion, the Kenwood TS-870S combines advanced technology with user-friendly characteristics, offering amateur radio operators an exceptional tool for communication. With its innovative features, robust performance, and flexibility, it continues to be a respected choice among radio enthusiasts, solidifying its legacy in the realm of amateur radio.