The following are website links to assist with the use of Braille eReaders.
The written Manual as a downloadable word document for the Humanware Braille eReader link is here: https://cpl.org/wp-content/uploads/ereaderhumanwareuserguidev10final06-23-2020.docx
Videos on How-To-Use eReader can be found here: https://www.loc.gov/search/?fa=partof:nls+ereader+humanware+how-to+series
Information on Braille eReaders can be researched here: https://www.loc.gov/nls/resources/blindness-and-vision-impairment/devices-aids/braille-displays-notetakers/