268 • Appendix Sam4POS Operators Manual v2.33
Clear EMV File
This is the internally stored file that stores the Authorization Response messages that allow the SAM4POS \
SAM4POS to perform “By Record Number” transactions. Specifically, the Void Transaction by Record Number
and Gratuity Entry. This file should be cleared each day as we have a limited amount of space to hold the file and
most likely By Record Transactions will take place the same day as the original transaction. The EMV File is
Cleared automatically when the CLOSE CURRENT BATCH command is performed. Some sites are set to Auto
Batch and some processors only allow Auto Batch. It was confusing to end users to perform CLOSE CURRENT
BATCH when they were set for auto batch especially when the CLOSE CURRENT BATCH command always
resulted in an error.
Zero Auth
Use this operation to verify a given card is OK.
1. From the main PROGRAM MODE menu screen, select DEVICE, then touch EFT OPERATION.
2. Select Datacap_Operation from the selections; then touch ZERO AUTH.
3. The Pin-Pad prompts “Verify Card $0.00 OK?”
4. Press the GREEN button on the Pin-Pad.
5. When APPROVED, the Sam4POS displays the verification
6. You can PRINT this verification if desired; press CLOSE to return to the EFT Operation screen.
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