Thanks for the link to your reading material. Your quote was exactly what the "tip sheet" stated. Again it makes no sense to me as a A/C only does two things, which are, cool the air by removing moisture (dehumidify) and a fan that circulates the air in the room. To your original question as to temperature setting, that is a personal preference. I have two large (5 ton) central units, one for upstairs and one for down stairs. Generally they are both set at 75*... sometimes cooler. Anyway, I would suggest you find what is a comfortable setting for you and go with that. In the end that is all that matters. One thing I have found however, that will help you determine your setting is the power bill that comes every month!!
Everytime I get one I start "screaming" raise the thermostat, raise the thermostat!!
Enjoy and stay Cool