What is the talk mainly about?

Congratulations on your choice of a Xenox PDP-alpha laser fax, copier and printer. All Xenox products incorporate the latest technology into attractive, versatile, and durable office equipment. This instruction manual will demonstrate clearly how to assemble, install, and use your new Xenox-alpha. As a first step,(77)please ensure that you have a clear space that is large enough and has electrical and computer cable access.(79)Next, in the package labeled ’A’, you will find a training video, warranty documents, and after-sales service information.(78)The video is designed for staff training. Please take the time to view it in order to get the best out of your new copier and to avoid costly damage due to incorrect use. Now, let’s open package ’ B’, and begin assembly.