Kenwood TS-870S instruction manual Rejecting Interference, Memory Features, Scan

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FM TRANSMISSION

38

FM REPEATER OPERATION

38

Selecting Subtone Frequency

39

Continuous or Burst Subtones?

39

AM TRANSMISSION

40

DIGITAL OPERATION

40

RTTY (FREQUENCY SHIFT KEYING)

40

ERROR-CHECKING MODES (AMTOR/ PACKET/

PACTOR/ G-TOR/ CLOVER

41

SPLIT-FREQUENCY OPERATION

42

TF-SET (TRANSMIT FREQUENCY SET)

43

SATELLITE OPERATION

43

CHAPTER 7

OPERATING AIDS

44

RECEIVING

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

44

RIT (RECEIVE INCREMENTAL TUNING)

44

AGC (AUTOMATIC GAIN CONTROL)

44

Changing AGC

44

Changing AF AGC

44

TRANSMITTING

45

VOX (VOICE-OPERATED TRANSMIT)

45

Microphone Input Level Adjustment

45

Delay Time Adjustment

45

TRANSMIT INHIBIT

45

XIT (TRANSMIT INCREMENTAL TUNING)

45

SPEECH PROCESSOR (SSB/AM)

46

CHANGING FREQUENCY WHILE

 

TRANSMITTING

46

TRANSMIT MONITOR

46

CUSTOMIZING TRANSMIT SIGNAL

 

CHARACTERISTICS (SSB/AM)

47

Changing Transmit Bandwidth

47

Transmit Bandshift

47

Equalizing Transmit Audio

47

Microphone AGC

47

AUTOMATIC MODE

48

AUTOMATIC MODE BOUNDARIES

48

USING AUTOMATIC MODE

48

AUTOMATIC ANTENNA TUNER

49

PRESETTING (INTERNAL TUNER ONLY)

49

INTERNAL TUNER

49

AT-300 EXTERNAL TUNER (OPTIONAL)

50

COMPUTER [\ TRANSCEIVER INTERFACE ...

50

COMMUNICATION PARAMETERS

50

CHAPTER 8

REJECTING INTERFERENCE

51

DSP TOOLS

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

51

SLOPE TUNING (SSB/AM)

51

IF SHIFT (CW)

51

CHANGING RECEIVE BANDWIDTH

 

(CW/FSK/FM)

52

ADAPTIVE FILTERS

52

AUTO NOTCH (SSB)

52

BEAT CANCEL (SSB/AM)

52

NOISE REDUCTION (SSB/CW/FSK/AM)

53

SETTING SPAC TIME

53

NOISE BLANKER

53

AIP (ADVANCED INTERCEPT POINT)

53

ATTENUATOR

53

CHAPTER 9

MEMORY FEATURES

54

MICROPROCESSOR MEMORY BACKUP

54

CONVENTIONAL OR QUICK MEMORY?

54

CONVENTIONAL MEMORY

54

MEMORY CHANNEL DATA

54

MEMORY CHANNEL STORAGE

54

Simplex Channels

54

Split-Frequency Channels

55

MEMORY CHANNEL RECALL

55

Quick Channel Search

55

Temporary Frequency Changes

56

MEMORY CHANNEL SCROLL

56

MEMORY TRANSFER

56

Memory \ VFO Transfers

56

Channel to Channel Transfers

57

ERASING MEMORY CHANNELS

57

Full Reset

57

STORING SCAN LIMITS IN CH 99

58

Confirming Start/End Frequencies

58

Programmable VFO Function

58

QUICK MEMORY

59

STORING INTO QUICK MEMORY

59

RECALLING FROM QUICK MEMORY

59

TEMPORARY FREQUENCY CHANGES

59

QUICK MEMORY \ VFO

59

CHAPTER 10

SCAN

60

PROGRAM SCAN

60

SCAN HOLD

60

CONFIRMING START/END LIMITS

60

MEMORY SCAN

61

BUSY FREQUENCY STOP

61

Scan Resume Methods

61

ALL-CHANNEL SCAN

61

GROUP SCAN

62

MEMORY CHANNEL LOCKOUT

62

SETTING SCAN SPEED

62

iii

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Contents TS-870S KEY2 Applicable ModelWriting Conventions Followed Power Cable Protection Power SourcesPower Lines CleaningContents Scan Memory FeaturesRejecting Interference Optional Accessories MaintenanceInstalling Options Specifications AppendicesFeatures DSP Maximum SIGNAL/ Minimum NoiseSupplied Accessories IntroductionTransmission Line MHz 14 MHz 30 MHz InstallationAntenna Connection Installation DC Power Supply ConnectionGround Connection Lightning ProtectionRear Panel Accessory ConnectionsFront Panel Rtty Equipment Rtty and ACC Computer Interface COMLinear Amplifier Remote Pin FunctionSM-230 Station Monitor if OUT Accessory Equipment ACCAntenna Tuner AT ANO GND PSQ Smet Pin No. Pin NamePKS PKDYour First QSO First QSO Getting Acquainted Front Panel@5QUICK Memo MR button 6KEY Speed control@4QUICK Memo M.IN button Enter button @7Tuning controlLSB/USB button CW/ÐR buttonRX M.CH button #3BEAT Cancel button#5TX EQ. button #6FILTER LO/WIDTH and HI/SHIFT controls$4RIT/XIT control Microphone$7M.CH/VFO.CH control UP/DWN buttonsRear Panel 0AUTO Display1PROC 2MONI7SPLIT 5MENU8RIT 9TONE#3AT Tune #2ON AIR#4FSK #7M.SCRAdjusting Volume Switching Power ON/OFFAdjusting Squelch Operating BasicsChanging Bands Selecting ModeOperating Basics Equalizing VFO Frequencies A=B Quick Changes Fine TuningOperating Basics Changing Step SizesMeter on Front Panel MeterOperating Basics Direct Frequency Entry Transmitting Selecting Transmit PowerTransmit Carrier Level Microphone GainWhat is a MENU? Menu SetupMenu Access Temporary Menu ResettingMenu Setup Menu ConfigurationMenu Item Function Selections Default LO/WIDTH and HI/SHIFT controlsM.CH/VFO.CH control Setting Baud Rate bps Stop Bits Cross Reference for Menu Functions SSB Transmission CommunicatingSlow Scan TV/ Facsimile Sstv FrequenciesCW Transmission Switching TX/RX ManuallyCommunicating TX SIDETONE/ RX Pitch FrequencyCommunicating Semi BREAK-IN Setting Delay TimeFull BREAK-IN CW Reverse ReceiveCommunicating Electronic Keyer Function DefaultActivity Consult KEY Speed controlEmulation Options Multiple-Button FunctionsCW Message Playback Storing CW MessagesErasing CW Messages Inquiry Command DescriptionInquiry Functions To check an Inquiry function Press CH 3+CHPress CH 1+CH Function CommandsOption d Leading Other Nines Embedded FunctionsSerial Number Options FM Repeater Operation FM TransmissionPress RX B or RX a Press RX a or RX BArrl 10-METER Band Plan Selecting Subtone FrequencyContinuous or Burst Subtones? Rtty Frequency Shift Keying AM TransmissionDigital Operation Mode Meaning ERROR-CHECKING Modes AMTOR/ PACKET/ PACTOR/ G-TOR/ CloverRtty Frequencies AmtorPacket Frequencies SPLIT-FREQUENCY OperationSatellite Operation Communicating TF-SET Transmit Frequency SETOperating Aids RIT Receive Incremental TuningReceiving AGC Automatic Gain ControlOperating Aids XIT Transmit Incremental TuningVOX VOICE-OPERATED Transmit Transmit InhibitOperating Aids Speech Processor SSB/AM Mode Transmit Sampling PointChanging Frequency While Transmitting Transmit MonitorTransmit Bandshift Changing Transmit BandwidthEqualizing Transmit Audio Microphone AGCAutomatic Mode Boundaries Automatic ModeUsing Automatic Mode Press MENU+Preset Bands for Internal Tuner Presetting Internal Tuner onlyAutomatic Antenna Tuner Internal TunerMenu No Baud Rate Stop Bits Operating Aids AT-300 External Tuner OptionalCommunication Parameters Rejecting Interference Slope Tuning SSB/AMDSP Tools If Shift CWRejecting Interference Beat Cancel SSB/AMAuto Notch SSB CW/FSK/FM Adaptive FiltersNoise Blanker Setting Spac TimeAIP Advanced Intercept Point AttenuatorConventional or Quick MEMORY? Memory FeaturesConventional Memory Memory Channel DataMemory Channel Recall Memory FeaturesSplit-Frequency Channels Quick Channel SearchMemory Channel Scroll Memory TransferTemporary Frequency Changes Memory \ VFO TransfersErasing Memory Channels Full ResetChannel to Channel Transfers ChannelProgrammable VFO Function Memory Features Storing Scan Limits in CHStoring Into Quick Memory Quick MemoryRecalling from Quick Memory Temporary Frequency ChangesProgram Scan ScanScan Hold Confirming START/END LimitsScan Memory ScanBusy Frequency Stop ALL-CHANNEL ScanMemory Channel Lockout Setting Scan SpeedSwitching ANT 1/ ANT Microprocessor ResetOperator Conveniences Programmable Function ButtonsOperator Conveniences Assigning Functions Beep FunctionSetting UP Alarm NotificationDisplay Dimmer Quick Data TransferOperator Conveniences Using Quick TransferConnections Transferring DataRecording Messages DRU-3 Digital Recording System OptionalMessage Playback Checking MessagesContinuous MULTI-CHANNEL Playback VS-2 Voice Synthesizer OptionalAltering INTER-MESSAGE Interval Transmitting Messages Manual TX/RXService MaintenanceService Note CleaningReference Frequency Calibration Internal AdjustmentsMaintenance Problem Symptom Probable Cause Corrective Action TroubleshootingPress LSB/USB, CW/-R,FSK/-R, or SWR DRU-3 Optional AccessoriesPC-1A PG-2ZRemoving the Case Installing OptionsVS-2 Voice Synthesizer Unit DRU-3 Digital Recording UnitSO-2 TEMPERATURE-COMPENSATED Crystal Oscillator Tcxo Installing OptionsFSK, FM SpecificationsFSK, AM SpecificationsAppendix a Learning about DSP Information Appendix B PropagationNCDXF/IARU Beacon Network HF BeaconsFreq kHz Call Sign Receiver for Swling Appendix C General CoverageCommands Appendix D COM Connector ProtocolCommand Description Hardware DescriptionParameter Table BAD Command ExamplesParameter Description Types of Commands Computer Control CommandsTerminator Subtone Table for Format NO.14Command USE Precautions Error MessagesParameter Menu Selection Table for EX COMMAND, ParameterMenu Menu Item Command Tables Reading Command TablesBusy ID Identification Set Mixer RA RF Attenuator XIT TOR DRSDSP Sstv AGCFSK TOR Rtty SSB Sstv
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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.