Many thanks to SWLing Post contributor,  Jaap de Goede, who shares the following as an update to his Tecsun PL-330 review. Jack writes:

I discovered several features that are not displayed on the keyboard both on the Internet and by fiddling with the radio. Maybe these features are in the Chinese manual but I simply can’t read that language. What became clear is that the PL-330 resembles the PL-990x. But I couldn’t find if DNR and Muting Threshold are supported in the firmware I have (3302). Here is a table with the features and how to operate:

Click here to download as a PDF.

Many thanks for creating and sharing this excellent reference sheet, Jaap!