HEXING HXE310-KP - 2.4.2 Management

User manual- HXE310-KP
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 Key expired
 Recharge amount exceeds the maximum credit.
 Key type is wrong and recharge is not allowed
2.4.2 Management
This type of token is encrypted by STA and can be used by relevant meter:
 Setting the maximum power.
 Clear the credit balance.