3 GETTING ACQUAINTED

FRONT PANEL

q w

DIGITAL SIGNAL PROCESSOR

e

r ty u

i

o

 

ATT

 

 

 

ANT

DOWN

UP

 

 

 

VOX

FULL/SEMI

AIP

 

 

 

 

 

 

 

HF TRANSCEIVER

AT TUNE

THRU/AUTO

 

METER

PROC

MONI

SEND

 

AGC

KEY SPEED

PROC

MONI

 

 

 

4

6

 

 

 

 

2

8

PHONES

 

 

 

 

 

 

SLOW

 

FAST

 

 

 

 

OFF

 

0

1 0

MIC

 

CAR

DELAY

MIC

PWR

 

 

4

6

4

6

 

2

 

8

2

8

 

 

0

1 0

0

1 0

 

TS-870

 

ON AIR

1

CH 1

6

M.IN

2

CH 2

7

ENTER

M>VFO

3

CH 3

8

SCAN

4

CH 4

9

CLR

5REC 0 F.LOCK

QUICK MEMO

FINE

M.IN MR

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

q (POWER) switch

Press and hold down briefly to switch the transceiver power ON. Press again to switch OFF the power {page 19}.

wATT DOWN/UP buttons

Press either button to step up or down through the available receive signal attenuator selections. The attenuator is OFF when all three selections of 6, 12, and 18 dB are not lit {page 53}.

eANT button

Press to select Antenna 1 or Antenna 2 that are connected to their respective antenna connectors on the Rear Panel {pages 2, 63}.

rVOX button

In the voice modes, press to switch the Voice-Operated Transmit function ON or OFF {page 45}. In CW mode, switches the Break-in function ON or OFF {page 31}.

tFULL/SEMI button

In CW mode, press to select Full or Semi Break-in operation which affects the transmit/receive recovery time after sending stops {page 31}.

yAIP button

Press to switch the Advanced Intercept Point function ON or OFF. When activated, the AIP function reduces interference caused by the presence of very strong signals. The function lowers the receive sensitivity by about 10 dB, and the default is ON when frequencies below 7490 kHz are selected {page 53}.

uAT TUNE button

After enabling the internal antenna tuner via the THRU/AUTO button, press to activate the tuner. The tuner will attempt to match the transceiver with the antenna system {page 49}.

iSEND button

Press to switch the transceiver between receive and transmit {page 23}.

oPHONES jack

Connect headphones to this jack. Inserting a plug into this jack automatically mutes the audio from the speaker {page 4}.

!0THRU/AUTO button

Press to enable the internal antenna tuner. This button does not start the tuning action (see u). The tuner can be configured so that it is only in-line while transmitting, or it can be in-line while both transmitting and receiving {page 49}.

!1METER button

Press to switch between the available functions on the Front Panel meter {page 22}.

!2PROC button

In SSB or AM mode, press to switch the Speech Processor ON or OFF {pages 23, 46}.

!3MONI button

Press to switch the Transmit Monitor function ON or OFF so you can monitor your transmitted signal {page 46}.

10

Page 16
Image 16
Kenwood TS-870S instruction manual Front Panel, Getting Acquainted

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.