ExportData.md

@@ -39,11 +39,16 @@ This is very similar to the previous optional page.
 Select markers to avoid and click + to add them to the list.    
 Click next to validate your choice.    
 
-# Filter data 
+# Filter data (Optional)
 
 ![image](uploads/0401e98c221772cac9b8594dd97cf3d8/image.png)
 
 By default, no filter will be applied on data.   
 Change to apply current AnyWave's filter options to export data **AND** filtering them.   
 
-The next step will export data to the output file using selected options.    
\ No newline at end of file
+The next step will export data to the output file using selected options.    
+
+# Downsampling (Optional)
+![image](uploads/dc96a07dc48f150d7902ec3afd06deb4/image.png)
+
+You can reduce the sample rate by 2 or 4. The default is a factor of 1, no downsampling.