Go to the following location where your saved profile is located e.g. E:\Documents and Settings\UserName\My Documents\specnaz and then open the "config.ini" file using any text editor.
Add the following line to the end of the file:
bindc +DIK_GRAVE (console_showhide)
Then, press ~ while playing to bring up the console. Enter sv_cheats 1 to enable cheat mode, then enter one of the following codes at the console window to activate the corresponding cheat function.
|game_godmode 1||God Mode|
|addammo all||Ammo for All Weapons|
|addwpn #||Get Desired Weapon|
|g_developer 1||Developer Mode|
|cl_drawfps 1||Show FPS|
|g_fly 1||Fly Mode|
|g_noclip 1||No Clipping|
|map [name]||Go to Map|
(supplied by: KingDaniel)