FSC8 Aircraft on top

I am using FSCommander 8 and to have the map logged on to the aircraft I must use the mouse to reach and click the Map tab and then the Aircraft on Top sub-menu.Identical procedure required to unlog the map and mouse-click it to anywhere in the world.Have I failed to find any mention to this in the program manual, forum search or other alternatives, or is it just impossible to use a combination of keys to do this?Will appreciate any information on this.