Magtek eDynamo, Programmer'S Manual

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Appendix D - EMV Message Formats (EMV Only)
eDynamo| Secure Card Reader Authenticator | Programmer’s Manual (COMMANDS)
Page 220 of 245 ( D998200115-17 )
D.3 Transaction Result Messages (EMV Only)
This section specifies the format for data the device sends using Notification 0x0304 - Transaction
Result Message . The format is controlled by Property 0x68 – EMV Message Format .
TLV data object
DFDF1A
contains one of the following Transaction Status values:

0x00 = Approved

0x01 = Declined

0x02 = Error

0x10 = Cancelled by Host

0x1E = Manual Selection Cancelled by Host

0x1F = Manual Selection Timeout

0x21 = Waiting for Card Cancelled by Host

0x22 = Waiting for Card Timeout

0x23 = Cancelled by Card Swipe (MSR Only)

0xFF = Unknown
The format of Transaction Result messages depends on whether the device is set to
Security Level 2 (not
encrypting) or Security Level 3 (encrypting). Support for EMV transactions at Security Level 2 is only
available on mDynamo.