Magtek DYNAMAG - Canceltransaction (EMV Only); Sendextendedcommand (EMV Only)

3 - MTSCRA Functions
Dynamag, DynaMAX, eDynamo, mDynamo, tDynamo, DynaWave, and iDynamo 6| Secure Card Reader Authenticators | Programmer’s
Reference (Java and Java Applet)
Page 40
3.58 cancelTransaction (EMV Only)
This function informs EMV device to cancel current transaction.
byte[] cancelTransaction();
Return Value: This function will always returns an empty string. To get the result code of this command,
use getResultCode() function.
3.59 sendExtendedCommand (EMV Only)
This function sends a direct extended command to the device using a hex value.
long sendExtendedCommmand(String data);
Return Value: 0 for no error.