User manual

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
                                      
                                
                                                     
                                 
                                        
                                                      
                                                         
                                           
                                      
                            
                                                
                                
                                                              
                               
                       
                             
                        
                                                      
                                       
                                
                                           
                                       
                                             
                                          
                                                 
                                                  
                                                     
      
                                              
                                                
                                            
                                  
                                                    
                   
                           
                                                     
                                         