The instantsearch box install is very simple and involves the Mozilla „TinREAD Toolbar” add-on installing.

For this:

Click here for download / extension install.

The browser will show typical message for when installing a new extension:

 

Then restart your browser and will be asked for the TinREAD extension activation:

Starting from now on the TinREAD extension is active and should be used for direct acces to Union Catalog.

Enjoy using it!