A method and arrangement reduce an interference which is caused in a received signal from a reception antenna by a transmitted signal with transmitted data which are distributed stochastically over time from a transmission antenna which is physically close by. Image area setting means sets image areas wherein images are inserted in a layout area of a predetermined size, and template file saving means saves information on the image areas laid out in the layout area in a template file. The pin block includes a body and at least one stand-off.