Here is a qwerty keyboard key repeat filter, to stop key repeats when the computer keyboard keys are held down. The abstraction is [key-rep-filt 50], the creation argument 50 is necessary, it is the millisecs required to filter the repeats, therefore it would be dependent on the system key repeat settings. Try 50 first. The help file explains the outlets . They are the filtered key state, keyname, keycode and keyup code
key repeat