how to remove more symbol/fancy text on Eseries

* you press the ctrl-key (4th row, the first starting from right)
* within a fraction of a second, you press for example 'E'
* the ctrl-key remaining pressed, you press and release and press
and release ... 'E' and choose between è,é,ë,ê
The same procedure applies to any letter for which there exists a
language using an "Umlaut"-combination of the letter.