I’ve used a similar method, but this one is a heck of a lot easier. Richard Harrington demonstrates an easy way to get color bars on your HDSLR for calibrating your external monitor.
This is a Great Tutorial, However I seem to be having an Issue getting it to work on my Nikon D7000. I follow all the steps but when I get it Back into my Camera, it said Cannot display image. I have tried 5 or so different Times. Im on a Windows 7 Machine running cs5.1 of Photoshop. Was wondering if I can get some advice