Magtek aDynamo Programmer's Reference Manual page 28

3 –MTSCRA Class Methods
Parameters:
Parameter
command
Return Value:

0 = Success

9 = Error

15 = Busy
aDynamo, uDynamo, Dynamag, DynaMAX, eDynamo, BulleT| Secure Card Reader Authenticator | Programmer's Reference (Android)
Hexadecimal string of the byte array for the extended command.
The first two bytes represent the value of the extended command.
The next two bytes (most significant byte first) indicate the total length the
following data in bytes.
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