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If the transaction is not approved by the card issuer, the operation
will be terminated with the appropriate message.
From the main menu, select the “FINANCIAL OPER.” menu and the
“Reversal” submenu.
The device displays the following message prompting the user to
enter a password.
The password for this operation type is 1111. Enter the password
and press the green button to confirm. The device displays the
following message prompting the user to read the card.
REVERSAL
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