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                 Hideo Fujii 
                 
                
                USA 
                1582 Posts  | 
                
                  
                    
                      
                       Posted - 06/05/2012 :  09:02:51 AM
                        
                        
                        
                        
                        
                      
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                       Hi Nico,
  The arrows are "analysis markers" to show the range of analysis you have done. To hide the markers, you can select the menu: 
     Data: Analysis Markers: Hide
  Worked?
  --Hideo Fujii OriginLab | 
                     
                    
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