Before 'Phrase Flash' will work you need to select some phrases from the list that you would like to learn.
Step 1: Click the 'Phrase Select' button on the left side of this page.
Step 2: Tick the phrases you want to include or tick the box at the top of the list to select them all. Then press the save button.
Step 3: Finally click the 'Phrase Flash' button again to start learning!