Genuine Toshiba owner's manual. Couldn't really ask for more. And written in understandable English in contrast to a few recent experiences I have had with manuals for other equipment other than Toshiba but made in China and written in "Chinglish"!
Text excerpt from page 11 (click to view)
To select a different level be sure that the dishwasher is off and then proceed as follows:
1. Press INTENSIV 70Â° and NORMAL 65Â° programme push buttons simultaneously. 2. While keeping the programme push buttons INTENSIV 70Â° and NORMAL 65Â° pressed switch on the dishwasher by pressing the On/Off push button. The On/Off indicator light comes on. At the same time, also the indicator light of the INTENSIV 70Â° push button comes on and remains fixed for about 5 seconds, after this it starts flashing indicating the current level of the water softener.
The current level is indicated by the number of flashes made by the INTENSIV 70Â° indicator light, that alternates 5 seconds off with a number of flashes, this for about 60 seconds. Example: 1 flash 2 flashes 3 flashes 4 flashes 5 flashes = = = = = level 1 level 2 level 3 level 4 level 5
3. To change the level, press the INTENSIV 70Â° programme push button. Each time the push button is pressed the level changes. Examples: if the current level is 3, by pressing the INTENSIV 70Â° programme push button once, level 4 is selected, if the current level is 5, by pressing the INTENSIV 70Â° programme push button once, level 1 is selected, The INTENSIV 70Â° indicator light remains off for about 5 seconds after which it starts flashing indicating the new level selected. 4. To memorise the new level, switch off the dishwasher by pressing the On/Off push button.