Yet, over at CX, there is near two pages in the FCTM of how this simple task should be done. It's overcomplicated.
Overcomplicated...? Perhaps in hindsight you might agree that the Airfrance/KLM FCTM was somewhat "undercomplicated"?
A340-A330 FCTM for reference (by professional pilots only):
http://www.smartcockpit.com/data/pdf...ing_Manual.pdf