Adobe After Effects CS3 Working with markers keyboard shortcuts keys

Shortcut                                                                               Command
* (multiply) on numeric keypad	Set layer-time marker at current time (worksduring RAM preview and audio-only preview)
Optn+* (multiply) on numeric keypad	Set layer-time marker at current time andopen marker dialog box
Shft+0-9 on main keyboard	Set and number a composition-time marker(0-9) at the current time
0-9 on main keyboard	Go to a composition-time marker (0-9)
Optn-click the markers or keyframes	See the duration between two layer-timemarkers or keyframes in the Info panel
Cmnd-click marker	Remove marker