Customizing the NSPOS User Interface
From Taylor Sikes
The main button bar in NetSuite POS is located at the bottom of the journal. These buttons change what appears in the side button bar on the right. As sales associates work, each choice on the main bar or side bar can display a new button bar, form or journal entry. The NSPOS layout is very flexible. You can customize any button or button bar to fit your business needs.
This video describes customizing your button layout in NetSuite Point of Sale, also called NSPOS.