PDF files

Some information on our websites is offered to download in PDF files. You can download the respectice files to your computer and read them even when you are not logged on to our home page. To read a PDF file you will need the Adobe Reader; click here to download it free of charge: http://www.adobe.com/de/products/acrobat/readstep2.html

MP3 files

For some of our products, we offer the download of sound files in the MP3 format. Download a MP3 file to your computer and listen to it even when you are not logged on to our home page. To listen to a MP3 file you will need the Microsoft Media-Player or Apple iTunes on your computer.

Recommended screen resolution

Our websites are optimized for a screen resolution of 1024 x 768 pixels or higher.

Recommended browser

Firefox, Microsoft Internet Explorer and Netscape as well as many other browser are supported in their current versions. Mac Users are kindly requested to use the Safari with Mac OS X or other current browser.