EMV Store and Forward fields on PSCS

Datacap’s EMV Store & Forward solution comes with 3 new parameters in PSCS. Here’s what each parameter means.

NAK Error from PIN Pad

NAK errors occur between the client (dsiEMVUS) and the PIN pad. A NAK error means the PIN pad negatively acknowledged a command from dsiEMVUS or dsiEMVUS did not understand the response returned from the PIN pad.