MMTTY, Rascal & Kenwood 570D Radio Setup

   US Flag

DE Flag    

       
       
Antennas & Equip Equipment in use includes:
AR-Cluster      Kenwood TS-570D Radio
Awards & Contests      Rascal Interface
DX-peditions      Computer    
History

 

Home This software, designed by JE3HHT (Makoto “Mako” Mori) allows you to send and receive
How To RTTY signals using a serial port on your computer.
Logbook Lookup  
Pictures MMTTY software is available from:  http://mmhamsoft.amateur-radio.ca/mmtty
QSL Cards  
QSL Policy Kenwood TS-570D Radio Setup:    
 

          Set Transmitter to ½ maximum power level
          Set VOX                           Off
          Turn Speech Processor    Off
          Set Mode                          LSB
          Set Filter                          500 or higher if desired

 Kenwood Radio Menu Setup:

 Menu Number:

 29      FSK shift                                                      170
           30      Key-down polarity for FSK mode                   ON
           31       Tone frequencies for FSK mode                   2125 Hz
           32      Filter bandwidth for digital operation           OFF
           33      AF input level for digital operation                2
           34      AF output level for digital operation              4


Rascal Digital Interface Connections:   

5 pin DIN plug                 into the “Rascal” Interface

7 pin DIN plug                 into the Kenwood TS-570D Transceiver Aux2
                                        Jack  with the silver mark on top of connector

Green Stereo Plug            to computer sound card “microphone in“ (blue) jack

White Stereo Plug            to computer sound card “line out“ (green) jack

RS-232 Plug                      to a computer serial port (COM2 suggested)

 

The suggested computer COM port connections are: 

COM-1 Serial port           Provides radio control (logging software)

COM-2 Serial port           Provides “Rascal” interface
 

MMTTY software setup on Computer: 

Note:                               While following these instructions, the software will constantly close the “Option(O)” menu and you will have to return to the menu bar and click on “Option(O)” to continue the necessary setup.

From Main Menu              Click on “Option(O)”

Select “Soundcard Output Level(V)”

                                        Set all between marks 5 & 6 counting from top

From Main Menu              Click on “Option(O)

Select “Soundcard Input Level”

                                        Set all between marks 5 & 6 counting from top

                                        Checkmark “Line In”

                                        If this is not set, MMTTY will not receive RTTY

From Main Menu             Click on “Option(0)”
                                      
                                       Left click on “Test”, if you wish to test the interface
                                      
                                       Characters will be displayed on the MMTTY screen, if the software
                                       is working
                                      
                                        Left click on “Test” again, if you wish to stop the interface test 


From Main Menu              Click on “Option(O)”

                                        Do NOT click on “Disable Transmission”


From Main Menu              Click on “Option(O)”

                                        Click on “Ways to send(S)”

                                        Click on “Character Out”


From Main Menu              Click on “Option(O)”

                                        Do NOT click on “Auto send CR/LF…”


From Main Menu              Click on “Option(O)”

                                        If there is not a checkmark in front of

“Word wrap on keyboard”, left click on the text


From Main Menu              Click on “Option(O)”

                                        Click on “PTT Timer…”

                                        Set to “0”    (turns PTT off)

                                        Click on “OK”


From Main Menu              Click on “Option(O)”

                                        Do NOT click on “Running Mode”


From Main Menu              Click on “Option(O)”

                                        Left click on “Setup TNC Emulation”   (if desired)

                                        Configure the menu as follows:

                                         Port                       None
                                         Band                      1200
                                         Data Length           8 bits
                                         Stop                      1 bit
                                         Parity                    None
                                         Flow Control          Check XON/XOFF
                                        TNC Type              KAM
                                        Local Echo             After sending
                                        Click on “OK”                                       


From Main Menu              Click on “Option(O)”

                                        Left click on “Setup Logging”               (if desired)


From Main Menu              Click on “Option”

                                        Select “Setup MMTTY”


Select                              “Demodulator” tab

Note:                               The “Demodulator” settings are program defaults

Set “Discriminator Type” IIR resonator

Set “Mark”                       2125

Set “Shift”                      170

Set “BW”                         60

 Set “Limit Amp”               Checkmark “AGC”

Set “Gain”                        200

Set “Smooth LPF”            Check “FIR av”

Set “Freq”                        70

 Set “Ham Default”           2125 / 170


Click on “BPF” tab

Do NOT check                 “On”

Set “Tap”                         56

Set “Fw”                          100

Checkmark                       “AFC Connection”

Click on “LMS/Notch” tab

Set “Pre-Filter”               LMS/Notch tab

Checkmark                       “Notch”

Set “Tap”                         72


Select                                        “AFC/ATC/PLL” tab

Set “AFC” Options

Checkmark                                 “AFC”

Select Shift                              “HAM”

Set “Time”                                 8

Set “SQ”                                   32

Set “Sweep”                               1

Do NOT check                           “ATC”

Set “ATC Time”                         4

 Set “PLL” Options           

Set “VCO Gain”                          3

Set “LoopLFP (IIR)

          “Order”                            2
          “FC”                                 250

Set “OutputLPF (IIR)”

Set “Order”                               4

Set “FC”                                     200

 

Select “Decode” tab

Set “BaudRate”                          45.45

Checkmark                                 “Majority Logic”

Select “BitLength”                     5bit

Select “StopLength”                  Rx=1bit, Tx=1.5Bit

Select “Parity”                           None

Select “Default RxStop bit”      Rx=1bit, Tx=1.5bit

Select “BAUDOT Codeset”        S-BELL

 

Select                                        “TX” tab

Set “DIDDLE”                            LTR

Do NOT check                           Random

Do NOT check                           WaitTimer

Checkmark                                 Tx BPF

Do NOT check                           Tx LPF

Set “TxBPF Tap                         48

Set “TxLPF Freq                        100

Set “TX”                                    UOS

Set “Your Callsign”                    CALLSIGN   (replace with your actual callsign)

Set “PTT Port”                           COM2          (note:  this port may vary)

 

Select “Radio Command” box

Set “Port definition”

          Port                       None                      (note:  port may vary or may not be used)
          Baud                       9600                      for Kenwood TS-570D
          Char wait               50

Set “Data length”             8 bits

Set “Stop”                       1 bit

Set “Parity”                      None

Set “flow control”            XON/XOFF

Do not set “DTR/RTS”     leave PTT box empty

Set “Commands”             

          Init                        leave blank

          Rx                          RX;                        for Kenwood TS-570D

          Tx                          TX;\w10                 for Kenwood TS-570D

Note: “Commands” are entered automatically, if you select “Kenwood” in the radio box located in the lower left corner of the window.

Set “VFO polling”             Kenwood (use auto info)

Set “Frequency offset”    LSB                        (note:  you may try OFF)

Set “Polling interval”        1

Click on “OK” to return to “TX Window”

 Edit Macro boxes, if you wish from the “TX Window” screen

                                        To edit, click on an individual box

 

Select                              “Font/Window” tab

You will probably not make any changes in this window, but you can experiment with fonts, if you wish.

Do checkmark the box “slash zero”.

 

Select                              “Misc” tab

Set “Sound Card FIFO”

          Set RX                   12
          Set TX                   4

Select “Priority” box        Critical

Select “Device ID”           -1

Select “Source”               Mono

Select “Clock”                  11025

Select “Tx offset”           0.00

Do not checkmark            “Save window location”              (check or not as desired)

Select “Sound loopback”  Int

Select “Tx Port”              Sound

Select “System Font”     

          Window                  Times New Roman
          Set                        0
          Fixed Pitch            Courier New
          Set                        0

Click on “OK” to save modifications and return to main MMTTY window.


MMTTY Main Window:

In the “Control” section of the window you will see a number of buttons, some of which can be turned on and off by clicking on the button.  When the button is selected (On), the button color will be light gray.

          FIG              should be OFF
          UOS             should be ON
          TX               will be ON or OFF depending upon sending or receiving
          TXOFF         will be ON or OFF depending upon sending or receiving

All the top six boxes in the “Demodulator (IIR) section of the window should appear up (not selected). 

Click             “HAM” button at least once to set Mark to 2125 and Shift to 170

Below the “Green Squelch bar”,

          ATC             should be OFF
          NET             should be ON
                              Causes MMTTY to transmit where it last received
          AFC              should be ON

Type text in bottom panel and press F11 to transmit.

Or

Setup and use the “Macro” keys                    (recommended)

Suggested Macro Key Setup:

F1

CQ

\RYRY CQ CQ CQ DE %m CQ CQ DE %m

  RYRY CQ CQ CQ DE %m CQ CQ DE %m K\

F2

QRZ

\qrz qrz de %m\

F3

Reply

\%c ur %r %r in "LOCATION" BTU DE %m K\

F4

Final

\QSL info at www.qrz.com - direct only with s.a.s.e

73 73 %c de “CALLSIGN” QRZ\

F5

Equip

\Equipment here is:
Kenwood TS-570D Transceiver
Rascal Digital Interface
Antenna:  Dipole at 16 meters
Software:  MMTTY v1.65.d\

F6

Me

\Radio Amateur since “19##”
DXCC Countries confirmed:  “###”
Happy to add you to my log\

F7

Name

\My name is “URNAME URNAME”\

F8

QTH

\QTH is:
Town:     “TOWN”
County:  “COUNTY”
State :   “STATE”
Grid:      “GRID”

Frequencies:         
160     1.800 – 1.842          fsk / lsb
 80      3.580 – 3.645         fsk / lsb
           3.590 DX               fsk / lsb
 40      7.000 – 7.100         fsk / lsb
 40      7.020 – 7,040         fsk / lsb       DX
 20      14.080 – 14.099      fsk / lsb
 15       21.080 - 21100       fsk / lsb
 10       28.080 - 28100      fsk / lsb
   6      50.7                       fsk / lsb

       
 

N3ME at N3ME.Net