Magtek DynaPro Go, Руководство программиста

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4 - Command Set
DynaPro Go| Handheld PIN Pad Device with MSR/Contact/Contactless | Programmer’s Manual (COMMANDS)
Page 127 of 247 ( D998200136-31 )
(1) The device sends an ARQC Request (EMV Only) to the host for approval using Report
0x29 - Send Big Block Data to Host . The host should save this information for later
verification.
(2)
The device immediately constructs its own ARPC Response with tag 8A set to ‘Z3’ and
continues the transaction processing.
(3) The device performs Command 0xA2 Completion .
(4) The device shows
REMOVE CARD
to notify cardholder the card can be removed, and
ends the transaction.
(5) The host should then process the ARQC Message data, including setting the final
transaction amount, and should coordinate with the transaction processor to retrieve a
final transaction result.
(6) Based on the transaction result, the host can show APPROVED or DECLINED using
Command 0x07 - Display Message .
(7) The host may request for the transaction data by sending Command 0xAB – Request
EMV transaction data.
ii) If the host started the transaction with Regular Mode (Quick Chip Mode NOT in effect):
(1) The device sends an ARQC Request (EMV Only) to the host for approval using Report
0x29 - Send Big Block Data to Host .
(2) The device starts a host response timer.
(3) The device waits for the host to send Command 0xA4 - Acquirer Response ARPC
(MAC-MSR) .
(4) The device processes the host response.
(5) The device gets TC or AAC from the chip.
(6) Depending on the transaction outcome, the device displays APPROVED , DECLINED or
ERROR (similar to the screenshots in Command 0x07 - Display Message ), and
performs Command 0xA2 Completion .