INDEX

Accessories

 

Connecting

4

Connector (ACC 2)

7

Optional, Available

74

Optional, Installing

75

Supplied

1

Adjustments, Internal

70

Advanced Intercept Point

53

AGC

44

AIP

53

Alarms

65

AM

 

Frequencies, Popular

40

Transmitting

40

Amplifier, Linear

 

Connection (REMOTE)

5

Amplitude Modulation (see AM)

 

AMTOR

 

Connection (ACC 2)

6

Frequencies, Popular

41

Operation

41

Antenna

 

Connection

2

External receiver

 

(EXT RX ANT)

2

Feed Line Loss

2

1 / 2

2, 63

Antenna Tuner

 

External, Connection

6

External, Operation

50

Operation

49

Preset Bands

49

Presetting

49

Appendices

 

COM Connector Protocol

83

General Coverage Receiver

 

for SWLing

82

HF Beacons

80

Learning About DSP

79

NCDXF/IARU Beacons

80

Standard Time Stations

80

ATT

53

Attenuator, RF

53

Automatic Gain Control

44

Automatic Mode

48

Auto Notch

52

Backup, Memory

54

Bands, Changing

20

Beacons (see Appendices)

 

Beat Cancel

52

Beep Function

64

Break-in, Full/Semi (see CW)

 

Busy Frequency Stop

61

Button Confirmation

65

Carrier Level

23

Carrier-Operated Scan

 

Resume

61

CHECK Alarm

65

Cleaning

69

Clover

 

 

Connection (ACC 2)

6

Operation

41

Computer Control

 

 

Commands

85

Communication

 

 

Parameters

50

Connection

5

Connector (COM)

83

Contents

ii

Conventions, Writing ....

Inside Front Cover

Correlation, Automatic

53

CW

 

 

Break-in, Full

31

Break-in, Semi

31

Pitch

30

Reverse

31

Sidetone, Frequency

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

30

Sidetone, Volume

30

Time, Decay

31

Time, Rise

31

Transmitting

30

Zero Beating

30

Data Transfer Function

 

 

(see Transfer Function)

 

Digital Recording System (optional)

Installation

75

Message Interval

68

Playback, Single Time

67

Playback, Multiple Times

68

Recording

67

Digital Signal Processing

 

(see DSP)

 

 

Display

16

Display Dimmer

65

DRS

 

 

(see Digital Recording System)

DSP

 

 

Adaptive Filters

52

Auto Notch

52

Beat Cancel

52

Introduction

1

Learning About DSP

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

79

Line Enhance

53

Noise Reduction

53

SPAC Filter

53

External Speaker (EXT SP)

4

FAX/Facsimile

 

 

Connection

6

Frequencies, Popular

29

Operation

29

FCC Information

Inside Front Cover

Features

1

First QSO, Your

8

FM

 

 

Band Plan

39

Repeaters

38

Subtone, Frequency

39

Subtone, Type

39

Transmitting

38

Frequency

 

Difference, Display

43

Fine Tuning

21

Keypad Entry

22

Modulation (see FM)

 

Rounding

21

Step Size

21

Tuning

21

Front Panel

10

FSK (see RTTY)

 

Full Reset

63

Fuses, Replacing

3, 70

Gain

 

AF

19

RF

19

G-TOR

 

Connection (ACC 2)

6

Operation

41

Headphones Jack (PHONES)

4

Hold

 

Peak Meter

22

Scan

60

Installation

 

Antenna Connection

2

DC Power Connection

3

Ground Connection

3

Lightning Protection

3

Internal Adjustments

70

Key

 

Connection

4

Jack (PADDLE/KEY)

4

Keyer, Electronic

 

Commands, Function

36

Defaults

32

Features

32

Functions, Embedded

37

Functions, Inquiry

35

Functions, Multiple-Button

33

Learning Outline

32

Messages, Erasing

35

Messages, Playing

34

Messages, Storing

34

Options, Emulation

33

Options, Serial Number

37

Linear Amplifier

 

Connection (REMOTE)

5

Line Enhance

53

Lock Function

64

Lockout, Memory Channels

62

LSB (see SSB)

 

Maintenance

69

Memory

 

Backup

54

Channels

 

(see Memory Channels)

 

Quick (see Memory Channels)

Reset, Full

63

Reset, Partial

63

96

Page 102
Image 102
Kenwood TS-870S instruction manual Drs, Dsp, Tor

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.