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.
Via FreshDV
Quick and easy way to get color bars on your video DSLR 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