3 GETTING ACQUAINTED

!4

DIGITAL SIGNAL PROCESSOR

!5

!6 !7!8

!9

 

ATT

 

 

 

 

 

 

 

ANT

DOWN

UP

 

 

 

 

 

 

 

VOX

FULL/SEMI

AIP

 

 

 

 

 

 

 

 

 

 

 

HF TRANSCEIVER

 

TS-870

 

 

AT TUNE

THRU/AUTO

 

METER

PROC

MONI

1

CH 1

6

M.IN

SEND

 

AGC

KEY SPEED

PROC

MONI

 

 

 

 

 

 

 

4

6

2

CH 2

7

M>VFO

 

 

 

 

2

8

3

CH 3

8

SCAN

PHONES

 

 

 

 

 

 

 

 

 

 

SLOW

 

FAST

 

 

 

 

 

 

 

 

OFF

 

0

1 0

4

CH 4

9

CLR

MIC

 

CAR

DELAY

MIC

PWR

 

 

 

 

 

 

4

6

4

6

5

REC

0

F.LOCK

 

 

 

 

 

 

 

2

 

8

2

8

 

QUICK MEMO

 

 

0

1 0

0

1 0

 

 

 

 

 

 

 

 

 

 

 

M.IN

 

MR

ON AIR

ENTER

FINE

AT TUNE

MODE

TF-SET LSB /USB

CW/— R

FSK /— R

FM/AM

1MHzDOWN

A=B MENU

RXTX

A

B

M.CH

UP

AUTO

BEAT

 

 

 

NOTCH

CANCEL

N.R.

 

TX EQ.

LO/WIDTH FILTER

HI/SHIFT

RIT

XIT

CLEAR

NB

RIT/XIT

 

AF

RF

 

 

 

4

6

 

 

2

 

8

 

 

 

0

1 0

M.CH/VFO.CH

 

NB

SQL

 

 

 

4

6

 

 

2

 

8

 

 

 

0

1 0

@0 @1 @2 @3

@4@5

!4Multi-purpose keypad

Consists of 10 buttons that are used for inputting numeric data. Also used for other functions:

[M.IN]: Writes data into memory channels

{page 54}, selects Memory Scroll mode {page 56}, and adds items to the Quick Menu {page 24}.

[M>VFO]: Transfers data from a memory channel to a VFO {page 56}.

[SCAN]: Starts and stops Scan functions {page 60}.

[CH 1], [CH 2], [CH 3], [CH 4]: Selects functions associated with the internal electronic keyer {page 32} and the DRU-3 Digital Recording Unit {page 67}.

[REC]: Selects the record mode for the DRU-3 Digital Recording Unit {page 67}.

[F.LOCK]: Controls the Frequency Lock function {page 64}.

[CLR]: Used to exit from, abort, or reset various functions. Also used for erasing memory channels {page 57} or locking out {page 62} memory channels from the scan list.

!5AGC control

Turn to adjust the AGC time constant after selecting the manual AGC mode {page 44}.

!6KEY SPEED control

In CW mode, turn clockwise to increase the internal electronic keyer speed and counterclockwise to decrease the speed {page 32}.

!7PROC control

When using the Speech Processor in SSB or AM mode, adjusts the compression level. Turning the control clockwise increases compression {pages 23, 46}.

!8MONI control

When using the Transmit Monitor function, adjusts the volume level of the monitored transmit audio. Also adjusts the volume of the CW sidetone. Turning the control clockwise increases the volume {pages 30, 46}.

!9MIC connector

Connect a compatible microphone, then snugly screw down the connector locking ring {page 4}.

@0CAR control

In CW, FSK, or AM mode, adjusts the carrier level {pages 23, 30, 40, 41}. When using the Speech Processor in SSB mode, adjusts the processor output {page 46}. Turning the control clockwise increases the carrier level or the processor output.

@1DELAY control

When using the VOX function or the CW Break-in function, adjusts the time period that the transceiver waits before changing from the transmit mode back to the receive mode. Turning the control clockwise increases the delay {pages 31, 45}.

@2MIC gain control

In SSB or AM mode, adjusts the level of microphone gain. Turning the control clockwise increases the gain {pages 23, 29, 40}.

@3PWR control

Adjusts the transmit output power in all modes. Turning the control clockwise increases the output power {page 23}.

@4QUICK MEMO M.IN button

Press to write data into Quick memory {page 59}.

@5QUICK MEMO MR button

Press to recall data from Quick memory {page 59}.

11

Page 17
Image 17
Kenwood TS-870S instruction manual 6KEY Speed control, @4QUICK Memo M.IN button, @5QUICK Memo MR button

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.