User manual
   ADT-HC4500 CNC Flame/Plasma Controller 
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Picture 5.1.3 ① Description of HC4500 version 
6. Upgrade (Upgd) 
Upgrade function is provided for users to upgrade the software to the latest functions. In main interface, 
press [F6] to enter the system upgrade options interface as picture 6: 
Picture 6 .1 System upgrade options interface 
6.1 Description of sub-menu 
[F1]: Restore system default 










