35 Practical training should be given in:
                        
                        
                        
                        
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                                 .1 correct and efficient operation of all GMDSS
                                 sub-systems and equipment under normal propagation conditions and
                                 under typical interference conditions;
                              
                              
                              
                            
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                                 .2 safe operation of all the GMDSS communications
                                 equipment and ancillary devices, including safety precautions;
                              
                              
                              
                            
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                                 .3 accurate and adequate keyboard skills for the
                                 satisfactory exchange of communications; and
                              
                              
                              
                            
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                                 .4 operational techniques for:
                              
                              
                              
                              
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                                       .4.1 receiver and transmitter adjustment for the
                                       appropriate mode of operation, including digital selective calling
                                       and direct-printing telegraphy;
                                    
                                    
                                    
                                  
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                                       .4.2 antenna adjustment and realignment as appropriate;
                                    
                                    
                                    
                                  
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                                       .4.3 use of radio life-saving appliances; and
                                    
                                    
                                    
                                  
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                                       .4.4 use of emergency position-indicating radio
                                       beacons (EPIRBs).