      switch (GetZoomParameter(VIEW_DX))
         {
         case  640:
	    pixrate =  25175000L;
	    break;
         case  800:
	    pixrate =  40000000L;
	    break;
         case 1024:
	    pixrate =  65000000L;
	    break;
         case 1152:
            pixrate = 78000000L;
            break;
         case 1280:
	    pixrate = 108500000L;	// 110000000L;
	    break;
         default:
	    break;
         }
      }
