**11. Acknowledgement**

The author would like to thank the Pierre Auger Collaboration for being allowed to use a PAO infrastructure and a test-hexagon and for getting the data made available. The successful installation and preliminary tests of the new Front End Boards with the DCT trigger would not have been possible without the strong commitment and effort from the technical staff in Malargüe.

This work was funded by the Polish Committee of Science under KBN Grant No. N N202 200239.
