Use this function to perform a balance inquiry on a credit card.
- Press (Other)
- Press (More >)
- Press (Balance Inquiry)
- Insert, Tap, Swipe, or manually key card number and press the green [Enter] key
- Key Expiration Date and press the green [Enter] key
- Terminal communicates with the host
- Press the red [X] key 3 times to return to Idle Prompt
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