JTDX_User_Manual_EN_2018_01_08.pdf - (English language by VK7YUM with additions by UA3DJY and DK7UY)
JTDX_Manual_del_Usuario_ES_2018_01_08.pdf - (Spanish translation by LU9DO)
Due to changes and trials for features the current guide is not being updated, there are related videos on YouTube, tooltips in the mainwindow and support at JTDX groups.io
You want to contribute to JTDX with a translation of the User Guide into your language?
Just contact us, you are welcome!