EA-Y40040AT
    xx-------character width
      yy-----character rows

EA-Y16015AZ  16cols x 1row
EA-Y16025AZ  16cols x 2rows
EA-Y20015AZ  20cols x 1row
EA-Y20025AZ  20cols x 2rows
EA-Y20080AT  20cols x 8rows
EA-Y24015AZ  24cols x 1row
EA-Y40015AT  40cols x 1row
EA-Y40025AT  40cols x 2rows
EA-Y40040AT  40cols x 4rows
EA-Y40080AT  40cols x 8rows
EA-Y80015AT  80cols x 1row
EA-Y80025AT  80cols x 2rows
EA-Y80040AT  80cols x 4rows