Type or scan a barcode into the sidebar box and press Enter. Sprwt first looks for a meal with that barcode among the modules already loaded; if found it switches to that module and selects the meal (opening its portion/add-on chooser). If nothing is loaded yet it opens the first available module, waits for its menu to load and searches again. When no barcode matches, the text is placed in that module's search field so it acts as a name search.