You have launched the installer, and then you get at the « JpicEdt installation directories… » panel, then you can create one or more laucher scripts (in the « shortcut directories » area). Typically you would create one shortcut for each encoding.
Click on the « Advanced » button to select which character encoding the shortcut will launch jPicEdt with.
Sorry for it is not well documented. My intention was to allow selecting a different application icon for each encoding, that would be more practical if you have several customers handled in parallel, and for some of them you make, say Latin-9 encoding, and for some others it is say KOI-8R…
Please feel free to come back to me if any more questions.

 

Last edit: Vincent Belaïche 2018-06-27