Connection Ports and Front Panel LCD Display
            On the controller module, the connection ports allow you to connect the HPDU to
                your computer. You can use the LCD display on the front panel to view the HPDU
                information.
             
                
                    
                
                
            
            
                
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                            | 1 | NET MGT port for Ethernet connection |  
                            | 2 | SER MGT port for RS-232 connection |  
                            | 3 | LCD display |  
                            | 4 | Down arrow button (V) moves the selection bar down in the
                                    menu |  
                            | 5 | Up arrow button (/\) moves the selection bar up in the
                                    menu |  
                            | 6 | Back button (X) moves to the previous selection or switches
                                    between Automatic and Manual modes |  
                            | 7 | OK button (O) confirms what you select and continues with the
                                    operation |  |