For Customer Service please call 1(800) 834-7790
PAX S90 Quick Reference Guide
Please call ETS if you encounter any problems while using your PAX S90. 1(800) 834-7790. For
any selections you can also press the numeric key listed before the option to select it.
Credit Card Sale
1. Swipe the credit card.
a. If the card is unreadable, key in the 15-16 digit card number, press enter.
b. Key in the expiration date on the card, press enter.
c. Key in the transaction amount, press enter.
d. Scroll to select if the card is present or not, press enter.
e. Key in the CVV code found on the back of most cards, press enter.
f. If the card is not present, key in the numeric portion of the cardholder’s billing street
address, press enter.
g. Key in the cardholder’s billing zip code, press enter.
2. Key in the transaction Amount, press Enter.
Debit Card Sale
Using the buttons on the right of the screen, press the third button till DEBIT appears.
1. Swipe the debit card.
a. If the card is unreadable, please request another form of payment. Debit cards cannot be
entered manually.
2. Key in the transaction Amount, press Enter.
3. Allow the customer to enter their PIN.
Void a Transaction
Using the buttons on the right of the screen, press the last button till V/SALE appears.
1. Swipe the credit card.
2. Enter Trans # found on the receipt, press Enter twice.
Refund a Transaction
Using the buttons on the right of the screen, press the last button till RETURN appears.
1. Swipe the credit or debit card.
a. If the card is unreadable, key in the 15-16 digit card number, press enter.
b. Key in the expiration date on the card, press enter.
2. Key in the transaction Amount, press Enter.