With CG_Tastaturtester check user the correct function of your keyboard. For this purpose the free examiner displayed a kind of a virtual keyboard on the screen, which has a separate window for the tens numeric keypad. not or malfunction just - now you hit a key on the real keyboard to their corresponding lights on the virtual keyboard green. Since CG_Tastaturtester does its work based on a so-called global query function, the freeware must be for its function is not necessarily in the foreground of the desktop. In addition, the portable-purpose tester brings a TXT file called key.txt with the computer. This serves to adapt CG_Tastaturtester without too much technical effort to the layout of foreign-language keyboards.