Open up the developer console using the ~ key. Type in the codes below to activate each cheat:
thirdperson: Change the camera so that it is behind the character.
firstperson: Return the camera to it's first person perspective.
bind x thirdperson: Set a particular key (defined as x) to the third person camera change.
bind x firstperson: Set a particular key (defined as x) to the first person camera change.
cl_drawhud 0: Remove the HUD (information shown on screen).
Added by: MongooseGeneral Sep 17th 2011, ID#16604