These fields display in the PIP grid, as well as in the dialog box that displays when you click Add to add an item to PIP.
These are the locations in your store where the SKU displayed exists. Entering locations is necessary only when you are posting multiple quantities and locations, or when you want to add location codes to Inventory Maintenance.
In the Count field, if you clear an amount that was previously entered, the corresponding Location field is automatically cleared. A value must exist in the Count field before you can enter a value in the corresponding Location field.