One-button call setup of 2N Analogue Vario

Do you have 2N Analogue Vario with one button...
2N Analogue Vario with one button 
... and call does not work after setting parameter 011?
2N Analogue Vario - Parameter Chart - Button memories 

Because the hardware address of this button is 2, we must configure parameter 021.
2N Analogue Vario - Parameter chart - button memories - 02x parameter 


Why? 
Lets have a look on this 3-buttons device with marked addressing.
Now imagine that we have removed the top and bottom buttons, leaving only the middle button with address 2...
 

 

For more information please open the Installation manual of 2N Analogue Verso (click here).


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