P3D Keyboard commands:

Letter Keys :

• a : The "a" key, with volumes, in combination with mouse movements, will modify the data by      changing the alpha clipping value.
• c : The "c" key will hide the cursor.
• f : The "f" key will toggle between full screen and windowed mode.
• k : The "k" key, in combination with mouse movement, will allow you to move the light source      if       your model has normals.
• g : The "g" key will start the presentation running in auto-play mode. 
• h : The "h" key will stop a presentation running in auto-play mode.  
• l : The "l" key toggles dynamic lighting on and off.
• n : The "n" key will auto step through the slides and their layers.
• p : The "p" key will pause all rotations and movies.
• o : The "o" key will resume all rotations and movies.
• r : The "r" key will reset the slide, so all movies/animations will start from the beginning.
• t : The "t" key, with volumes, in combination with mouse movements, will modify the data by      changing the transparency. 
• w : The “w” key will change the model to wireframe view, then points, then back to normal.

• z : The "z" key will start recording a motion path. Pressing "Z" (shift-z) will stop the recording.

Other keys :

• The left and right arrow keys allow movement back and forward through the slide in a presentation.

• The up and down arrow keys allow movement through the layers in each slide.
• The diagonal arrow keys  will jump between the first and last slide respectively.

• The "spacebar" key will reset the object to its default position.
• + or - When using Point Cloud data. the "+" and "-" keys will increase and the decrease the point size of the data.
• The escape key will exit Present3D

Numbers :

     Present3D has four main manipulators, Trackball, Flight, Drive and Terrain.

• 1 : Trackball manipulator.
• 2 : Flight manipulator.
• 3 : Drive manipulator.
• 4 : Terrain manipulator.

• 6 : used in combination with Drive manipulator "3" and mouse to Look Up.
• 9 : used in combination with Drive manipulator "3" and mouse to Look Down.

Mouse :

• Right button with up and down movements will cause the object to zoom in and out respectively.

• Left button will rotate the object.

• Middle Button will move/translate the position of the object in X and Y axis.

Further info on using keys and manipulators can be found here : How to : use Present3D