Linking physical side buttons or touch-screen coordinates to specific transaction paths (e.g., selecting a checking account). Message Formats and Data Fields
When an ATM goes out of service, the Advance NDC Reference Manual becomes an indispensable diagnostic tool. It lists hundreds of error codes, status bytes, and diagnostic trace interpretations. Decoding M-Status and M-Data Bytes aptra advance ndc reference manual
| Command Code | Description | | :--- | :--- | | | Tells the ATM to show a specific screen number and populate text fields. | | Card Eject | Instructs the ATM to return the card to the customer. | | Dispense | Instructs the dispenser to count out specific bills (counts per cassette). | | Print | Sends data to the receipt printer. | | Card Capture | Retains the card in the ATM's capture bin. | Linking physical side buttons or touch-screen coordinates to