Changing the Quantity of an Item on the POS Screen
You can quickly update the quantity of an item on a POS order after it has been added to the order by clicking on it's "Qty" amount.
After clicking on the item's "Qty" value, a keypad will appear. Simply click on the amount you would like to assign, or enter a Custom Amount in the textbox and click "Submit".
After you make your selection, the new quantity and price should be updated and visible on your order.