Enable fast-click mode allows you to place orders by clicking the Buy, Sell, Bid, Ask volumes columns next to the order price. This enablement is determined by your FCM. Contact your FCM for more information.
Enable middle-click allows you to place an order at the second default size by clicking your middle mouse button.
Enable sweep mode allows you to enter sweep orders. Sweep mode on works if “Separate Bids and Asks" is off.