Setting Field-Level Synchronization
You can turn synchronization on or off for each individual mapped field by following the procedure in this topic. You do not have to delete field mappings to disable synchronization.
To enable or disable field synchronization
Navigate to the Administration - PIM Server Integration screen, then the Domain Map view.
In the Domain Map list, select a record.
In the Field Map list, select a record.
Select the Sync Enabled check box if you want synchronization enabled for this field. Clear the check box if you want synchronization disabled.