This VI saves data to a binary file using a simple formatting scheme in which the file’s header is a long word integer (I32) containing the number of data points in the file. In the next exercise, build a VI that reads the binary file. To build a VI that writes data to a binary file with a simple data formatting scheme. Front Panel 1. Open a new VI and build the front panel shown previously. 2. When you create the menu ring, recall that a shortcut for adding a new item to the list of options is