You can use the Popup Order Entry panel to place orders by double-clicking prices on the Market Maker window.
TIP: You can use the Page Up and Page Down keys to cycle through the routes once an order is loaded into the panel.

Perform the following to enable the Popup Order Entry panel:
Right-click the Market Maker window to display a pop-up menu.
From the Market Maker Setup window - General tab, click the Popup Order Entry check box so that a check mark appears.
Perform one of the following to place an order using the Popup Order Entry panel:
Double-Click a Bid to place a Sell order
Hold the Alt key and double-click a Bid to place a Buy order
Double-click an Ask to place a Buy order
Hold the Alt key and double-click an ask price to place a Sell order