@ Markie, I was browsing a few posts here and there when I came across yours. I'm glad you got a quick answer to your concern and I figured you might like a link to download the NVG510's Administrator's Handbook (PDF) just in case you come across something else you'd like to know in the future. (http://www.ron-berman.com/wp-content/uploads/2011/11/nvg510manual.pdf) These devices keep getting more advanced and more complicated with each new generation so it's a good idea to have as much information as we can possibly gather for future reference. The only better idea than gaining the knowledge is sharing it. Happy surfing !