Perform a Pre-authorization when the final Purchase amount is unknown.
1. Start an assisted UnionPay transaction.
2. At the UNIONPAY menu, select PreAuth-UP.
3. At the “Amount: $” prompt, key in the amount to pre-authorize and press the green OK key.
4. At the “Swipe Card:” prompt, swipe the UnionPay card in the terminal’s magnetic stripe reader.
5. At the “Customer Press OK to Continue” prompt, pass the terminal to the cardholder and have them press the green OK key.
6. At the “Total OK” prompt, the cardholder does one of the following:
· If the total of the transaction is correct, they select Yes. Proceed to step 7.
· If the total is incorrect, they select No. The “TRANS CANCELLED OK to Continue” prompt appears.
§ The cardholder presses the green OK key and returns the terminal to you.
§ You press the green OK key again to print receipts and return to the transactions menu.
7. At the “Enter PIN & OK” prompt, the cardholder does one of the following:
· Enters their PIN and presses the green OK key. Proceed to step 8.
OR
· Presses the green OK key to bypass the prompt. The “User PIN Bypassed” prompt appears.
8. The terminal displays “Processing…” and “Receiving…”, then displays “APPROVED OK to Continue”.
9. The cardholder returns the terminal to you.
10. Press the green green OK key and process the receipts.
Note: To complete or delete an assisted UnionPay Pre-authorization transaction, follow the standard Pre-auth Completion or Delete Pre-auth, steps.