To start the visual or the auditory task, open the desired html file of the task. You will see a website in which you can specify the setting for the task: duration of the task, duration of a cue (letter / digit) is presented, duration of a blank screen, number of targets (numbers) and number of letters between the targets. When you click start, the next page opens showing a screen with an underscore. Now you can get the participant ready. When you press the start button the task will start after 5 seconds.