fleck 2510sxt

Hi, I have a Fleck 2510sxt 70,000 grains with 10% cross linked resin. Resin tank is 12x52 at 2cu/ft, brine tank 18x35. On a city water with no iron, water hardness 8. 2 people. I am was hoping to get some guidance on how to best program the unit. Thank you for any help you might give.