How do you make the Pax S80/ S90/ S500/D210 terminal accept a credit card does not fall in to the Visa, MC or any one of the standard card types?

You need to enable the “Extended” card type. Do the following:

• Press the “Menu” key
• Select Option 2 (Merchant Settings)
• Select Option 1 (Authorizations)
• Input the Password
• Select Option 2 (Card Types)
• Select Option 8 (Extended)
• Select Option 2 (Always Enabled)