If the Keep Prices the Same in All Stores field (Function MIC-Modify Inventory Constants) is Y, *Selling is master data. If the field is N, *Selling is store-specific data.
This field on the Pricing tab of Inventory Maintenance is the default unit of measure that displays in the Qty field in POS.
P = Pricing Unit. In POS, you enter the quantity in pricing units.
S = Stocking Unit. In POS, you enter the quantity in stocking units.
A = Alternate Unit. In POS, you enter the quantity in alternate units.
In POS, you can change the unit of measure to something other than the default.