Category "pos"

ARPC Verification Failure on POS

We are successfully processing transactions and verifying ARQC data using KW command on a Thales 9000 HSM however the POS is failing to verify ARPC with ISO Err

How to clear a customer display using TComPort with Delphi 10.2?

I am using TComPort v6.0 from Winsoft to connect to my COM5 device which is a customer display from Oxhoo.(Prolific PL2303 USB-to-Serial Com Port) I would like