Column Width Definition: The image dimension settings can be applied as a Window of Interest or a Region of Interest, depending on the image dimension mode selected in the Database Mode command. Serial Cmd: <K255,index,shutter speed,gain,sub-sampling,row pointer,column pointer,row depth,column width,threshold mode,fixed threshold value,processing mode,narrow margins,background color,symbology type> Default 640 Options: 8 to (640-column pointer)