Dell XPS 17 (L701X, Late 2010) - Manual (Page 4)

Keyboard Shortcuts
The following are some of the keyboard shortcuts available for 3D gaming:
Keys Description Function
Show/hide
stereoscopic 3D
effects Turns 3DTV Play on/off.
NOTE: The performance of games may reduce when using HD 3D mode
even if 3DTV Play is disabled. To maximize performance, select HD or
SD mode when 3DTV Play is disabled.
Increases 3D depth Increases the 3D depth real-time in the current game.
Decreases 3D depth Decreases the 3D depth real-time in the current game.
Captures a 3D screenshot of the current game, and saves the file in the
My Documents\NVSteroscopic3D.IMG folder. To view the file, use the
NVIDIA 3D Photo Viewer.
Show/hide in-game
compatibility message Displays the settings recommended by NVIDIA for the current game.
Increases
convergence Moves objects towards you; maximum convergence places all objects
in front of the scene in your space; also used to place the laser sight.
Decreases
convergence Moves objects away from you; minimum convergence places all objects
behind the scene in your space; also used to place the laser sight.