You can configure the options for running Mainframe Subsystem Applications using a TN3270 emulator in 
                  		Tools > Options > Micro Focus Tools, and on the 
                  		TN3270 Display page. 
                  	  
               
            
 
            	 
            
               TN3270 Display
 
               		 
               		
                
                  		   
                  			 
                  - Enable Display 
                     			 
                  
- Check this to run your Mainframe Subsystem applications in a TN3270 emulator. If you uncheck this, the IDE does not launch
                     or search for an emulator. 
                     				
                      
                        				   
                        					 
                        - Rumba (Embedded) 
                           					 
                        
- Enabled by default, if you have installed a version of 
                           						Micro Focus 
                           						Rumba+ Desktop 
                           						10.1. Starts the application in a Rumba Mainframe display embedded in Visual Studio. 
                           						
                           Restriction: The embedded Rumba Mainframe Display is only available in Visual Studio 2017 and 2019, and is not available in Visual Studio
                              2022. In Visual Studio 2022, you need to use the standalone 
                              						  Rumba+ Desktop application. 
                              						
                             
                              						   
                              							 
                              - Connect automatically 
                                 							 
                              
- Check this to enable the Rumba Mainframe display to connect automatically to the enterprise server at debug time. 
                                 							 
                              
- Show warning dialog for PF keys context 
                                 							 
                              
-  Check this to view a warning dialog when you press a function key in the IDE when the integrated Rumba Mainframe display
                                 in focus. 
                                 							 
                              
- Notify of changing the enterprise server when debugging starts 
                                 							 
                              
- Check this to view a warning dialog when starting debugging while the TN3270 display is still connected to a different enterprise
                                 server. 
                                 							 
                              
 
- Rumba (Desktop) 
                           					 
                        
- Check this to run the applications in a mainframe session of the 
                           						Rumba+ Desktop outside of the IDE. This is the default setting if you have installed a version of 
                           						10.1Micro Focus 
                           						Rumba+ Desktop earlier than 
                           						. 
                           					 
                        
- External 
                           					 
                        
- Check to specify the path to an emulator that supports TN3270, other than 
                           						Rumba+ Desktop.