When you are in the middle of a sale, you might have the customer you are serving already in the ACE database. You can search for them by following these steps. 

Step-by-step guide

1. On the sales screen: to search the customer list for a specific customer, click on the [F4] button next to the Customer field. 

2. In the List of Customers screen, press Enter on your keyboard to view the list of customers (You can also click on the Binoculars button). 

3.  Double click on a customer or click on the Select button to select a customer. You will be taken back to the Sales screen with the customer added to the sale.