Internal only: This is only visible if you are logged in to confluence
Worldpay/Vantiv requires the XML format which can be set via uDemo
In KB mode, send "52 1F" in ITP wrap to retrieve settings, and send "52 22" to retrieve the full FW version.
SREDKey 2 starts to support multi-keys from V1.03.011 firmware hence the firmware can't be downgraded to an earlier version, otherwise, the key variant will change from Data to MAC which will cause decryption failure with the default Data key variant (TS-30394). The problem caused by FW downgrading can be corrected by upgrading the firmware back to V1.01.011 or above.
Function ID 24 is to set the foreign language keyboard, value 3A is universal. (TS-35535)
Function ID 19 value “0D” in SREDKey 2 is equivalent to “3D” in SREDKey (TS-36121)
Missing the "2" in the STX "02" at the beginning of the MSR output in Notepad is the data output being too slow if the rest of the data is correct. Check the polling interval (52 14) and set it back to the default value (53 14 01 01) or reset the device via the "53 18" command (TS-36722)