Exactly as described, the full user-manual (145 pages). Perfect.
Text excerpt from page 13 (click to view)
Operating Instructions
Adjusting Rinse Aid Dosing
The dose should be adjusted according to the finish and drying results obtained. The dose is factory set at 4, and can adjusted from 1 to 6. Gradually increase the dose if there are drops of water or lime spots on the dishes after washing. Reduce if it there are sticky whitish streaks on the dishes. 0 1. Turn the lid of the container ¼ of a turn anticlockwise and remove. 2. Adjust the dose setting with a tea spoon. 3. Replace the lid and tighten by turning clockwise. 4. If rinse aid has run out, wipe up with a cloth.