If the important data has been deleted and you want to get it back

Recover the data by the following steps. Present (Swipe) Master Card to TR4030/TR4050 to enter the menu of programming mode. Then select [Database tools]->[Recover data]. Press F4 key to confirm and then press F1 key (Yes) to confirm again. Then press F1 key to exit. All the data will be recovered.

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