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DL1XY / TH-D72-Kenwood

RIG control commands for the Kenwood TH-D72

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TH-D72-Kenwood - PC RIG control commands

DL1XY

How to connect TH-D72 in serial mode

  • Make sure you have firmware v1.10 installed
  • Connect TH-D72 via USB cable to your PC
  • Turn TH-D72 on, make sure you are not in TNC mode
  • Run lsusb, you should see Silicon Labs CP210x UART Bridge somewhere
  • Check if you find /dev/ttyUSB0 or /dev/ttyUSB1, this should be your TH-D72
  • Start putty or any other terminal tool which can do serial communication.
  • Use this configuration:
    • Connection type: Serial
    • Serial line: /dev/ttyUSB0
    • Speed: 9600
    • Data bits: 8
    • Stop bits: 1
    • Parity: None
    • Flow control: None
  • Start the session

That"s all, now you can send the commands described here. If you type in FO 1 and press Enter, you should see the VFO configuration of Band B like FO 1,0430000000,7,0,0,0,0,0,0,08,08,000,0,01600000,0.

Important

  • TH-D72 sends a questionmark ? if it doesn't know the command you sent
  • There is no new line after sending/receiving a command

How to connect TH-D72 in TNC mode

  • Follow the steps in How to connect TH-D72 in serial mode
  • Press TNC key several times until you see something like the following text in the terminal window.
bbRAM loaded with defaults



Kenwood Radio Modem
AX.25 Level 2 Version 2.0
Release 16/Nov/2010 2Chip Version 1.00
Checksum $7772
cmd:DA 230307131728
cmd:MY NOCALL
MYCALL   was NOCALL
cmd:
  • Now you are in TNC mode and you can execute the commands as described in the manual.

Important

  • TH-D72 sends a questionmark followed by EH ?EH in TNC mode if it doesn't know the command you sent
  • TH-D72 is ready for TNC commands if cmd: appears in terminal

LA3QMA

Reverse engineered commands based on my first discovery for the TM-D710. https://github.com/LA3QMA/TH-D72-Kenwood/wiki

Please report any errors as this has been converted from my old documents.

https://kenwood-radios.groups.io/g/main/messages and https://kenwood-radios.groups.io/g/TH-D72

Available Control commands: (Firmware V1.10) (incl implementation marks by DL1XY, #1 OK: Command implemented, #2 OK: Unittest implemented)

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RIG control commands for the Kenwood TH-D72