when "erase the plan drawing then display the MX mdels"., how to switch AUTOMATIC ZOOM EXTENTS off?


when "erase the plan drawing then display the MX mdels"., how to switch AUTOMATIC ZOOM EXTENTS off?

 - every time ZOOM IN then "erase the plan drawing then display the MX mdels"., it just display the ZOOM EXTENTS..

how to swith this off, so still the window stay as the ZOOM IN before...