You can update the currently open orders corresponding to a Pair through the Message Monitor.
Update - you can update an open order by double-clicking it; the appropriate entry dialog box appears and you can update the accessible fields. See the “Update” topic corresponding to the Message Monitor’s Message and Order views for more information about which fields can be updated.
You can choose to use the Montage Monitor to update your open orders; see the Properties dialog box's Layout tab topic for more information
Cancel/Replace - you can cancel/replace open orders. The following cancel/replace options are available from the shortcut menu when applicable to the message you select and the current Message Monitor view:
Refresh - you can use this option to pull your order out of the queue and resubmit it. Selecting Refresh from the shortcut menu cancels the order you selected and submits it again (less any shares that have already been executed). This option is only valid for orders that were originally submitted to certain exchanges/ECNs.
Uptick - cancels the Buy Limit order you selected and replaces it with a Buy Limit order .01 (one tick) higher.
Downtick - cancels the Sell Limit order you selected and replaces it with a Sell Limit order .01 (one tick) lower.
See the “Cancel” topic corresponding to the Message Monitor’s Message View and Order View for more information.