Select the item in the transaction list (click the row to highlight it).

Press the Remove Item button on the function panel.

Confirm the removal when the prompt appears (click Yes or OK).

Verify the item is gone and the totals update.

After pressing Remove Item, a confirmation dialog appears.

Click Yes to confirm removal or No to cancel.

Confirm the item is removed and totals (Total, Payment, Change) update.

If removed by mistake, re-add the product via F1/F2 or re-scan the barcode.