3 <!-- menu to follow links -->
4 <map in='menu' out='F'/>
5 <!-- ret to enter bird's eye and turn off proportional display -->
6 <map in='ret' out='f9 - l'/>
7 <!-- F11 to enter fullscreen -->
8 <map in='f11' out='f'/>
10 <map in='esc' out=''/>
11 <!-- tab goes to outline (table of contents) -->
12 <map in='tab' out='o'/>