Sony vsp-ns7 is a digital signage appliance. My work has one, and I was given the task to reprogram it. I have never worked with one of these before. The main reason for this post is the frustration I had just to manage this box. You can NOT have a keyboard plugged into this device or it goes into service mode, which in “service mode” I would think you would be able to make changes to it? but you can’t…