>IIRC - pressing the ISO button on the back of the d600 and >turning the front command wheel will allow you to toggle auto >iso on and off. Yes. However, I have to enter menu to reset desired non auto ISO value which otherwise defaults to highest auto ISO value used.
I can live with this. Sunsets tend to show more noise in the soft pastels, & 3200 becomes too grainy, tho not in other low light situations I shoot.