How To Preview Expression And Data Before Writing Back

After all the value bytes and check bytes have been marked and all expressions have been added, we need to confirm if the data generated by MTools is valid or not.

How To Preview

Long press $ button in Charge Tab.

Data Included

  • Card Name
  • Card UID
  • Total Value
  • Sector and Block Number
  • Value Byte Index
  • Check Byte Index
  • Check Byte Expression
  • Calculation Time

Standard Data Example


  • Make sure the is no blank in expression.
  • Tag card then previews data or it’s ” – ” for no-marked bytes.

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