How re-program new to me 1 cubic ft Clack based water softenerr

[Yeti]

Hello - Just moved into a house with a new Clack WS1 water softener in it (replaced just prior to selling).
No information with it just a basic Clack manual. We're in the middle of Small-town-nowhere-Canada, and apparently the fella that sold the unit recently (very) passed away and whoever took over has gone back to Fleck/Autotrol controllers.

So, I called the distributor of the product, and it's the first of their Clack models sold in western Canada, and the guys out here have never seen one and couldn't help.

Previous owners were a family of 3, we're just a family of 2, he had never fully installed it so I can't even use his values (which I'm guessing are likely not right for our use)

details:

• Softener is a 1cu ft (~32000 grain) model
• on city water
• water hardness is 11-13 grains
• 2 people in the house, below average water use (~50gal/day based on water bill)
• 2 bathrooms, washing machine, dishwasher

It's looking like we would be running a low salt dose, but I'm a little lost on that. I'd prefer not to sell the softener and get a smaller if at all possible as we don't plan on staying here for a long time.

Any insight/suggestions on programming would be greatly appreciated.

Cheers,
Dave