NOTE - this is NOT a Pronestor supported solution. It is merely a tip on how it can be done. The actual implementation is not supported by Pronestor. It is expected that this task will be performed by an IT resource with an understanding of IIS, HTML and BOOTSTRAP.
This is an article describing how one could split up a larger display into ex. 2 screens - one screen showing ex. an Area or Reception Display, and the other screen showing some different HTML/Webpage.
The attached zip files contains a set of files to be unzipped on the IIS.
The file "splitter.html" must be edited. Two sections are defined - one for leftcolumn and one for rightcolumn. Edit this file to set the correct source for the iframe element within each column.