The Current Order screen on the Customer Service tab is where you change the quantity of a product for the current order before you have accepted the order.
On the Customer Service tab, click the Current Order button. The Current Order screen appears. The products for the current order are identified in the listing at the bottom of the screen.
Click the row in the listing for the product whose quantity you would like to change.
Type a new quantity in the Order Qt field. You can also change the unit of measure by selecting one from the UOM drop-down list.