Adobe After Effects CS5 Markers keyboard shortcuts keys

Shortcut                                                                                Command
* (multiply) on numeric keypad	Set marker at current time (works during RAM preview and audio-only preview)
Alt+* (multiply) on numeric keypad	Set marker at current time and open marker dialog box
Shft+0-9 on main keyboard	Set and number a composition marker (0-9) at the current time
0-9 on main keyboard	Go to a composition marker (0-9)
Alt-click the markers or keyframes	Display the duration between two layer markers or keyframes in the Info panel
Ctrl-click marker	Remove marker