Hamilton HTK Programming Manual page 82

Using the pull down, select the payment processing module that pertains to your application
E-xact: this is the default PCI certified version.
Payment Express: is for EMV card processing using SCR200E reader.
Moneris: is for the Verifone EMV reader in Canada.
eMatters: is for legacy card processing in Australia.
Eway: is for legacy card processing in Australia.
*NOTE: when selecting Payment Express, see the Hardware/Card Reader section to obtain the card
reader serial number.
Document #101-0243 82 02/01/18