in138MEANING AND DEFINITION OF NI. The word ‘negotiable’ means transferable from one person to another, and the term ‘instrument’ means a document of title of money (as described by Prof. Goode).. A NI is required toInFocus IN138HD specifications. Below you will find the product specifications and the l specifications of the InFocus IN138HD. The InFocus IN138HD is a video projector that offers a