Tone

Name of tone definition which should be turned off. A hyphen '-' instead of a name turns off all active tones.

 Example for clearing a tone

TRIAL ShowItem
CS 2000          ; Clear Screen and wait for 2000 ms
SP FixPoint MidPos 1          ; Show fixation point and do not wait
ST Peep 200          ; Start tone immediately and wait 100ms
CT          ; Clear Tone
+CS 400          ; Wait for another 400 ms (FixPoint is still visible)
RK ResKeys 1500          ; Record Keys, MaxRt = 1500 ms
SP ? MidPos 1 0 1          ; Show variable picture
CS          ; Clear Screen
FB ?          ; Classify Response