User manual
   ADT-HC4500 CNC Flame/Plasma Controller 
70
Picture 6.3.2 USB disk is connected 
If USB disk is successfully connected, press [Y+] or [Y-] to move the cursor to “ADTROM.BIN” 
in the catalog and press [ENTER], the interface will become as follows: 
Picture 6.3.3 System is upgrading 
If the selected file is not the type for upgrading, the system will give a prompt, as Picture 6.3.4: 










