...
Highlight the column or cells containing the data you want to search for (for example, a column of ISBNs), then click the button. A dialog will appear. The first time the tool is run, the user must enter the Alma SRU Base URL at the top of the dialog:
For Princeton, use the URL https://princeton.alma.exlibrisgroup.com/view/sru/01PRI_INST
...