A method and an electronic control unit for determining and optionally displaying the remaining time in a treatment program in a household appliance include superposing an initializing test program segment on the treatment programs in order to determine an "installed heating capacity" parameter...http://www.google.com.au/patents/US5723847?utm_source=gb-gplus-sharePatent US5723847 - Method for determining and displaying the remaining time in a treatment program in a household appliance and electronic control unit for performing the method 
