1. Go to Documents and open a PDF file to enter the reading page;
2. In the top menu bar, click -> Page. In the Page tab, the search box works as the page navigation tool that displays the page range of the PDF document;
3. Enter a page number you would like to transit to and click Done or Go on your keyboard (iPad users), or click Done (iPhone users) in the Page tab, then you will be navigated to that specific page.