Explanations:

• start the random query by clicking on [Start query]
• you can also write the recognized word in the input line while the characters are being displayed
• if the pen appears after the word, you can check the correctness of the recognized word by clicking on [Check] or by pressing the ENTER key
• if you are not sure or have answered incorrectly, click on [Repeat] until you have recognized the word. If the input field is still empty, the ENTER key is sufficient, otherwise first TAB then ENTER
• if the correct answer, the smiley smiles and the next word is displayed
• if you have not recognized the word 3 times, you can also click on [Solve], the solution will appear and a new word will be displayed
• changing the word group ('short words' etc.) stops the output, Start the query again
• the display speed can be set in 9 steps and also changed during the output