Kenwood TS-870S instruction manual Press LSB/USB, CW/-R,FSK/-R, or

Page 78

12 MAINTENANCE

 

No signals are received

1

The SQL control is fully clockwise.

1

Turn the SQL control counterclockwise.

19

 

or receive sensitivity

2

The Attenuator function is ON.

2

Press ATT [DOWN] repeatedly until the

53

 

seems poor.

 

 

 

Attenuator function is OFF.

 

 

 

3

The transceiver is in the transmit mode

3

Press [SEND] to return to the receive

23

 

 

 

since the [SEND] switch was pressed.

 

mode.

 

 

 

4

The Microphone PTT switch is pressed.

4

Release the Microphone PTT switch.

23

 

 

5

The LO/WIDTH control or HI/SHIFT

5

Review the sections "SLOPE TUNING",

51,52

 

 

 

control is set incorrectly.

 

"IF SHIFT", and "CHANGING RECEIVE

 

 

 

 

 

 

BANDWIDTH". Set the controls correctly.

 

 

 

6

The wrong antenna connector is

6

Press [ANT] to select the other antenna

63

 

 

 

selected.

 

connector.

 

 

 

 

 

 

 

7

If using a separate receiver that is

7

Switch ON Menu No. 53 (EXT RX).

2

 

 

 

connected to the EXT RX ANT

 

 

 

 

 

 

connector, the connector is not enabled.

 

 

 

 

 

8

The Advanced Intercept Point function is

8

Press [AIP] to switch OFF the function.

53

 

 

 

ON.

 

 

 

 

 

 

 

 

 

No signals are received

The RF gain control is set too low.

Turn the RF gain control fully clockwise.

19

 

or receive sensitivity

 

 

 

 

 

 

seems poor; S-meter is

 

 

 

 

 

 

reading full scale.

 

 

 

 

 

 

 

 

 

 

 

Received signals are

The wrong modulation mode is selected.

Press [LSB/USB], [CW/-R],[FSK/-R], or

20

 

totally unintelligible.

 

 

[FM/AM] to select the correct modulation

 

 

 

 

 

mode.

 

 

 

 

 

 

 

 

 

Memory Scan wonÕt start

1

The SQL control is not set correctly.

1

Adjust the SQL control to just eliminate

19

 

scanning.

 

 

 

background noise.

 

 

 

2

You have fewer than two memory

2

Unlock some memory channels.

62

 

 

 

channels that are not locked out.

 

 

 

 

 

3

You have fewer than two memory

3

Store data in more memory channels.

54

 

 

 

channels programmed.

 

 

 

 

 

 

 

 

 

Memory Scan will not

With Group Scan selected, the channel you

Select All-channel Scan by switching OFF

61, 62

 

want to scan is in a different group.

Menu No. 66 (GRP.SCAN), or change to the

 

 

scan one of the stored

 

 

channels; the desired

 

 

group that contains the memory channel that

 

 

 

 

you want to scan. Group changes are done

 

 

channel is NOT locked

 

 

 

 

 

 

by pressing Mic [UP] or [DWN].

 

 

out.

 

 

 

 

Program Scan wonÕt

The Start and End frequencies are

Store different Start and End frequencies.

58, 60

 

start scanning.

identical.

 

 

 

 

 

 

 

 

 

Memory Scan never

Busy Frequency Stop is not activated.

Switch ON Busy Frequency Stop via Menu

61

 

stops scanning even

 

 

No. 67 (BSY.STOP).

 

 

when a station is found.

 

 

 

 

 

 

 

 

 

 

 

Program Scan never

This is normal operation.

Review the Scan Hold function if you want to

60

 

stops scanning even

 

 

stop scanning when you hear a station while

 

 

when a station is found.

 

 

using Program Scan.

 

 

You cannot transmit

1

The microphone plug is not inserted

1

Turn OFF the power, ensure the

4

 

even though you press

 

completely in the Front Panel connector.

 

microphone connector on the Front Panel

 

 

[PTT], or transmissions

 

 

 

has no foreign objects in it, then plug in

 

 

result in no contacts.

 

 

 

the microphone connector. Secure the

 

 

 

 

 

 

connector with the locking ring.

 

 

 

2

The Transmit Inhibit function is ON.

2

Switch Menu No. 27 (TX INH) to OFF.

45

 

 

3

You have selected CW or FSK instead

3

Press [LSB/USB] or [FM/AM] to select a

20

 

 

 

of a voice mode.

 

voice mode.

 

 

 

4

The filter for Digital operation is

4

Switch Menu No. 19 (PKT.FIL) to OFF.

25

 

 

 

selected.

 

 

 

 

 

5

The wrong antenna connector (ANT 1/2)

5

Press [ANT] to select the other antenna

63

 

 

 

is selected.

 

connector.

 

 

Attempting to transmit

1

The antenna is not connected correctly.

1

Check the antenna connection. Correct

2

 

results in the "HELLO"

 

 

 

as necessary.

 

 

message appearing and

2

The antenna is not matched correctly

2

Reduce the SWR of the antenna system.

2

 

the Receive mode being

 

with the transceiver.

 

 

 

 

restored.

 

 

 

 

 

3

The input voltage is outside 13.8 V DC

3

Correct the input voltage.

3

 

 

 

 

 

±15% (11.7 to 15.8 V DC).

 

 

 

 

 

4

An inappropriate DC power cable is

4

Use the provided or an optional DC power

3

 

 

 

being used.

 

cable.

 

 

 

 

 

 

 

 

72

Image 78
Contents TS-870S Applicable Model Writing Conventions FollowedKEY2 Power Lines Power SourcesPower Cable Protection CleaningContents Memory Features Rejecting InterferenceScan Installing Options MaintenanceOptional Accessories Specifications AppendicesSupplied Accessories DSP Maximum SIGNAL/ Minimum NoiseFeatures IntroductionInstallation Antenna ConnectionTransmission Line MHz 14 MHz 30 MHz Ground Connection DC Power Supply ConnectionInstallation Lightning ProtectionAccessory Connections Front PanelRear Panel Linear Amplifier Remote Computer Interface COMRtty Equipment Rtty and ACC Pin FunctionAccessory Equipment ACC Antenna Tuner ATSM-230 Station Monitor if OUT PKS Pin No. Pin NameANO GND PSQ Smet PKDYour First QSO First QSO Front Panel Getting Acquainted6KEY Speed control @4QUICK Memo M.IN button@5QUICK Memo MR button LSB/USB button @7Tuning controlEnter button CW/ÐR button#5TX EQ. button #3BEAT Cancel buttonRX M.CH button #6FILTER LO/WIDTH and HI/SHIFT controls$7M.CH/VFO.CH control Microphone$4RIT/XIT control UP/DWN buttonsRear Panel 1PROC Display0AUTO 2MONI8RIT 5MENU7SPLIT 9TONE#4FSK #2ON AIR#3AT Tune #7M.SCRAdjusting Squelch Switching Power ON/OFFAdjusting Volume Operating BasicsSelecting Mode Operating Basics Equalizing VFO Frequencies A=BChanging Bands Operating Basics Fine TuningQuick Changes Changing Step SizesFront Panel Meter Operating Basics Direct Frequency EntryMeter on Transmit Carrier Level Selecting Transmit PowerTransmitting Microphone GainMenu Access Menu SetupWhat is a MENU? Temporary Menu ResettingMenu Item Function Selections Default Menu ConfigurationMenu Setup LO/WIDTH and HI/SHIFT controlsM.CH/VFO.CH control Setting Baud Rate bps Stop Bits Cross Reference for Menu Functions Slow Scan TV/ Facsimile CommunicatingSSB Transmission Sstv FrequenciesCommunicating Switching TX/RX ManuallyCW Transmission TX SIDETONE/ RX Pitch FrequencyFull BREAK-IN Setting Delay TimeCommunicating Semi BREAK-IN CW Reverse ReceiveActivity Consult Function DefaultCommunicating Electronic Keyer KEY Speed controlMultiple-Button Functions Emulation OptionsStoring CW Messages CW Message PlaybackInquiry Functions Inquiry Command DescriptionErasing CW Messages To check an Inquiry function Press CH 3+CHFunction Commands Press CH 1+CHEmbedded Functions Serial Number OptionsOption d Leading Other Nines Press RX B or RX a FM TransmissionFM Repeater Operation Press RX a or RX BSelecting Subtone Frequency Continuous or Burst Subtones?Arrl 10-METER Band Plan AM Transmission Digital OperationRtty Frequency Shift Keying Rtty Frequencies ERROR-CHECKING Modes AMTOR/ PACKET/ PACTOR/ G-TOR/ CloverMode Meaning AmtorSPLIT-FREQUENCY Operation Packet FrequenciesCommunicating TF-SET Transmit Frequency SET Satellite OperationReceiving RIT Receive Incremental TuningOperating Aids AGC Automatic Gain ControlVOX VOICE-OPERATED Transmit XIT Transmit Incremental TuningOperating Aids Transmit InhibitChanging Frequency While Transmitting Mode Transmit Sampling PointOperating Aids Speech Processor SSB/AM Transmit MonitorEqualizing Transmit Audio Changing Transmit BandwidthTransmit Bandshift Microphone AGCUsing Automatic Mode Automatic ModeAutomatic Mode Boundaries Press MENU+Automatic Antenna Tuner Presetting Internal Tuner onlyPreset Bands for Internal Tuner Internal TunerOperating Aids AT-300 External Tuner Optional Communication ParametersMenu No Baud Rate Stop Bits DSP Tools Slope Tuning SSB/AMRejecting Interference If Shift CWAuto Notch SSB CW/FSK/FM Beat Cancel SSB/AMRejecting Interference Adaptive FiltersAIP Advanced Intercept Point Setting Spac TimeNoise Blanker AttenuatorConventional Memory Memory FeaturesConventional or Quick MEMORY? Memory Channel DataSplit-Frequency Channels Memory FeaturesMemory Channel Recall Quick Channel SearchTemporary Frequency Changes Memory TransferMemory Channel Scroll Memory \ VFO TransfersChannel to Channel Transfers Full ResetErasing Memory Channels ChannelMemory Features Storing Scan Limits in CH Programmable VFO FunctionRecalling from Quick Memory Quick MemoryStoring Into Quick Memory Temporary Frequency ChangesScan Hold ScanProgram Scan Confirming START/END LimitsBusy Frequency Stop Memory ScanScan ALL-CHANNEL ScanSetting Scan Speed Memory Channel LockoutOperator Conveniences Microprocessor ResetSwitching ANT 1/ ANT Programmable Function ButtonsBeep Function Operator Conveniences Assigning FunctionsDisplay Dimmer Alarm NotificationSetting UP Quick Data TransferConnections Using Quick TransferOperator Conveniences Transferring DataMessage Playback DRU-3 Digital Recording System OptionalRecording Messages Checking MessagesAltering INTER-MESSAGE Interval VS-2 Voice Synthesizer OptionalContinuous MULTI-CHANNEL Playback Transmitting Messages Manual TX/RXService Note MaintenanceService CleaningInternal Adjustments MaintenanceReference Frequency Calibration Troubleshooting Problem Symptom Probable Cause Corrective ActionPress LSB/USB, CW/-R,FSK/-R, or SWR PC-1A Optional AccessoriesDRU-3 PG-2ZVS-2 Voice Synthesizer Unit Installing OptionsRemoving the Case DRU-3 Digital Recording UnitInstalling Options SO-2 TEMPERATURE-COMPENSATED Crystal Oscillator TcxoSpecifications FSK, FMSpecifications FSK, AMAppendix a Learning about DSP NCDXF/IARU Beacon Network Appendix B PropagationInformation HF BeaconsFreq kHz Call Sign Appendix C General Coverage Receiver for SwlingCommand Description Appendix D COM Connector ProtocolCommands Hardware DescriptionBAD Command Examples Parameter DescriptionParameter Table Terminator Computer Control CommandsTypes of Commands Subtone Table for Format NO.14Error Messages Command USE PrecautionsMenu Selection Table for EX COMMAND, Parameter ParameterMenu Menu Item Reading Command Tables Command TablesBusy ID Identification Set Mixer RA RF Attenuator XIT DRS DSPTOR FSK TOR AGCSstv Rtty SSB Sstv
Related manuals
Manual 28 pages 9.83 Kb Manual 104 pages 31.74 Kb

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.