Turn off terminal
Power on immediately after second beep, key quickly 792
Terminal will prompt for Access code if step 2 was done properly
Key in 782377, Enter
Select 2 SW List
Select 6 Charge Anywhere
Select 1 De-Activate
Terminal will ask for a password; key in 000000, Enter
Terminal will go back to the list
Select 6 Charge Anywhere
Select 2 Activate
Press Menu until terminal reboots itself.