Boot, system and data are selected already so using the volume down button and then using power button to select, select data, cache, recovery, wimax and android-secure. Each of these will then have an X next to it when selected.
Press the power button to confirm. The phone will then do a nandroid which is an exact mirror of your phone. Backing up all data.....
Once done you will have you first nandroid that will be on your SD Card
Congratulations, you now have made your first successful nandroid
26.
Now go back up to return and press the power button and you will return to the main screen
27.
Highlight Reboot phone and press the power button
Your phone will then reboot
Congratulations, you know have rooted the phone with S-Off, successfully flashed Amon Ra v2.3 recovery, flashed the superuser.zip and made a nandroid
Hope this is helpful to others and again I only wrote up this tutorial for the ease of using Amon Ra recovery. Thanks to
ocnbrze for his great work on the other 'Rooting' guide