
                DSZ port 2 speed 2400 pa7300 pB3000 pv9  rz -y
                  
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      1.  DSZ is the command necessary to START DSZ at the DOS prompt   
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      2.  These are HARDWARE RELATED COMMANDS.  They tell DSZ:          
             Use Comm 2 -operate at 2400 baud - and set these parameters
                 parameter a (timeout value) to value 7300              
                 parameter B (buffer size) to a value of 3000           
                 parameter v (verbose error msg) to a value of level 9  
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      3.  The PROTOCOL COMMAND for a Zmodem download                    
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      4.  The OPTION COMMAND -y which causes Zmodem to overwrite an     
             already existing file.                                     
      