The combinations in the book seemed to have no effect on it when I did it.
Using save/reloading I tested several of the combinations from the book back when I was at that stage, and they definitely worked for me.
AAS - self destruct (what it says, denies you kill XP)
SSH - weapons deactivation (stops it using the worst of its weapons)
HHH - party time (made it turn around and was an easy kill - I'm not sure what it was actually doing, but it wasn't focused on fighting me, certainly