The present invention relates to a portable terminal including a terminal body and a retractable antenna operatively connected to the terminal body and capable of being retractably housed into and withdrawn out of the terminal body. The agricultural machine includes at least two front work units arranged, during work and viewed in a direction of forward travel of the carrying vehicle, at the front of the carrying vehicle, and at least two lateral work units arranged, during work, on either side of a work area of the front work units. When the displayed dictionary in the network dictionary retrieval is selected, dictionary data is retrieved from the target of the selected dictionary, the dictionary contents corresponding to the retrieval word retrieved in the dictionary server is transmitted to the user electronic dictionary and is displayed. The initiator may initiate a merge request and the receiver may perform the computation of the difference between the old and the new zone. Reading first pixel information takes place during a first interval, reading second pixel information takes place during a second interval, and at least a portion of the second interval takes place during a long integration period corresponding to a second row of the pixel array.