Complexity simply explained

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Our video tutorials get to the point of complicated subjects in a way that is easy to understand. Here you will find answers to the most frequently asked questions. It’s that easy.

From practice. For practice.

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Complex things explained quickly. Our video tutorials put different subjects in a nutshell and explain clearly what it is all about. Simple, entertaining and full of information. Our video tutorials provide the answer. Just have a look.
Note:
In addition to the video tutorials, you can access the documents of definition of X-dimension and the access control system TC4 here.

Door interlocks

Video tutorials

Faulty closure device

X-dimension

Access control system TC4

Switch on output

Change and test access code

Start and finish programming mode

Change master code

Change and test switching time

Change and test code length

Change and test switching behaviour

Tone sequences of the TC4