Adobe After Effects CS3 Modifying properties keyboard shortcuts keys

Shortcut                                                                                      Command
Drag property value	Modify property value by default increments
Shft-drag property value	Modify property value by 10x default increments
Cmnd-drag property value	Modify property value by 1/10 default increments
Cmnd+Alt+O	Open Auto-Orientation dialog box for selectedlayers
Cmnd+Shft+O	Open Opacity dialog box for selected layers
Cmnd+Shft+R	Open Rotation dialog box for selected layers
Cmnd+Shft+P	Open Position dialog box for selected layers
arrow key	Move selected layers 1 pixel at currentmagnification (Position)
Shft+arrow key	Move selected layers 10 pixels at currentmagnification (Position)
Optn+Page Up or Optn+Page Down	Move selected layers 1 frame earlier orlater
Optn+Shft+Page Up or Optn+Shft+PageDown	Move selected layers 10 frames earlier orlater
=+ (plus) or - (minus) on numeric keypad	Increase or decrease Rotation (Z Rotation)of selected layers by 1º
Shft++ (plus) or Shft+- (minus) on numeric keypad	Increase or decrease Rotation (Z Rotation)of selected layers by 10º
Optn++ (plus) or Optn+- (minus) on numeric keypad	Increase or decrease Scale of selected layers by 1%
Optn+Shft++ (plus) or Optn+Shft+- (minus) on numeric keypad	Increase or decrease Scale of selected layers by 10%
Shft-drag with Rotation tool	Modify Rotation or Orientation in 45º increments
Shft-drag layer handle with Selection tool	Modify Scale, constrained to footage frameaspect ratio
Double-click Rotation tool	Reset Rotation to 0º
Double-click Selection tool	Reset Scale to 100%
Cmnd+Optn+F	Scale and reposition selected layers tofit composition
Cmnd+Optn+Shft+H	Scale and reposition selected layers tofit composition width, preserving aspect ratio
Cmnd+Optn+Shft+G	Scale and reposition selected layers tofit composition height, preserving aspect ratio