Pressing enter does not display catalog

I used FrameMaker years ago and I always pressed <enter> to display the catalog of styles available at an insertion point. Using FrameMaker 11 now the <enter> key acts like it would in Word, that is, it creates a new paragraph or moves to the next line.

Looking in the Adobe Frame user guide, it describes pressing enter to display the catalog also.

Is it something they've configured at the place I'm working? Is it possible it's because it's a non-US keyboard? It's Dutch, almost exactly the same as US. Does anyone know how I can configure this in the settings?

Thanks in advance,