Unfortunately, Indesit uses common pages in the manuals for all of their dishwasher models. If you noticed on page 8 in the manual, several parts of the description about the salt and rinse aid features have an asterix after them. At the bottom of the page, the asterix leads to a foot note "On select models only". Looking at the Indesit Dishwasher models, The DIFP 8T96 Z eXtra baby care,
https://www.indesit.co.uk/i/dishwashing/dishwashers/indesit-difp-8t96-z-extra-baby-care-integrated-dishwasher-in-white/f105231 , model has a P button between the power button and the LCD screen on the left of the control panel. The DFP 27B1 is not a model with the option to set the water hardness. Only the pages that have to be different are swapped (like the DIFP 8T96 control panel images) are unique.
I wish that I could fix Indesit's manuals but they are "saving" on printing costs. There are probably other models that have this feature but you'd have to check each one. I just looked at the Indesit site's images of each model on the particular product page until I found one that did.
Cindy Wells
