Radio settings
- Mode: The radio needs to be set to
U-DorL-DIf the mode is incorrect, an error message "Command rejected by the rig" will be displayed, and the launch will fail.
- AGC: Press the AGC button to set it to AGC--, which means turning off AGC.
- Note: Press the NB button to set NB SW to OFF.
- ALC: Long press FUNC, adjust AUX IN and AUX OUT as needed to set the JTDX volume on your computer to approximately 40-70.
Radio connection cable
Like the G90S, you will need to prepare two connecting cables:
- One of them is the connecting cable that comes with the machine, with a blue plug. When using it, you plug one end into the computer's USB port and the other end into the small hole on the side of the machine that has a drawing of a person.
- Another FT8 audio cable can be purchased on Taobao or Xianyu, or you can make one yourself. When using it, plug one end into the ACC port on the back of the device and the other end into the computer's audio jack. If your computer doesn't have an audio jack, or has two jacks, you can buy a 3.5mm to USB adapter cable.
Data line driven
Download address:https://ftdichip.com/drivers/vcp-drivers/
Scroll down to find your computer's operating system and processor architecture, then download it.
Windows
Plug the data cable into the computer, open the Device Manager on the computer, and check if there is a "USB" device listed under "Other devices". <-> "Serial":
If you have it, this means the driver hasn't been installed. You need to download the driver from one of the websites mentioned above. After downloading, extract the files and return to Device Manager. Right-click on the device and select "Update Driver" → "Browse my computer for drivers" → Select the location where you extracted the files.
Once installed, you should see "USB Serial Port (COMx)" in the "Ports" section, which indicates that the driver has been successfully installed. Note down the number following "COM", as you will need it when configuring later.
Linux
If the kernel version is greater than 3.0, it comes with drivers and does not require manual installation.
Mac
When downloading from the official website, select the appropriate DMG package based on your Mac processor type (Intel/Apple), open it, and then drag the installer to:/Application(Within the application)
Double-click to open, and click the only button in the program. If the system prompts you for authorization, go to Mac's System Settings, General → Login Items & Extensions → scroll to the bottom, Driver Extensions → click "i", then allow FTDIUSBSerialDextInstaller to run. If your Mac system is an older version, the steps may be slightly different, but the general idea remains the same.
JTDX Configuration
Before setting up, plug in the data cable and audio cable to the computer.
In the JTDX settings, the "Radio" label should be configured as shown in the diagram:
For G90N, you need to select the radio type.Icom IC-7100, don't chooseXiegu G90Otherwise, an error will occur.
In Linux and Mac systems, if you are unsure which serial port to use, you can unplug the data cable, open a terminal, and enter:list all files in the /dev/tty* directoryThen, plug in the data cable again and re-enter the information.list all files in the /dev/tty* directoryChoose whichever one is the extra one.
"Audio" tag: Select audio input and output devices to connect with the radio via audio cables. If connecting directly, select "headphones"; if using an adapter cable, select a USB adapter cable.
Once the radio and audio settings are configured, simply save them.
A little tip
Set computer audio input/output to 48000 Hz
These are optional steps that improve performance.
Windows: Open Control Panel (in Windows 11, right-click the Start button and select Run, then enter)control), find "Sound", and in both the "Playback" and "Recording" sections, select the device connected via audio cable (headphones or USB adapter) from the options. Click "Properties". In the pop-up dialog box, go to Advanced → Default Format → Choose any 48000Hz option, such as 16-bit, 48000Hz (DVD quality) or 24-bit, 48000Hz (studio quality).
Mac: Startup screen, inputmidiOpen the "Audio MIDI Settings" app. Find the audio device connected by a cable and select "48,000 Hz" in the format.
Multiple radio station switching
If you have multiple radios, you can create different shortcuts for each radio. Right-click on the JTDX shortcut, select "Properties," and add a target to the end.--rig-name=G90N(Note that there's a space at the beginning), so you don't have to manually adjust the settings each time you start it up.
Mac users can use the built-in script editor to enter the following code, then save it as a "application" file. This allows them to directly use it on the startup screen:
execute shell script "/Applications/jtdx.app/Contents/MacOS/jtdx --rig-name=G90N"
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