EX500; EX600; EX5000 Display Showing Diagonal Stripes or Cross-Hatching
This is related to your datalink weather.
The boundary of the available datalink radar data is shown by
an area with diagonal stripes. In normal operation, this
boundary follows the outline of CONUS if US RDR is
selected, or the extent of Canadian Radar if CAN RDR is
If, however, datalink radar is unavailable in a
particular area for any reason, the hatched lines appear in
that area. In the mountains and off the coast, hatched lines may represent no coverage below 10,000 feet. If there are
radar returns in that region above FL100, the returns will be
displayed as "islands of precipitation" surrounded by the hatched lines.