CLEARTIMER id

Clears a timer that was scheduled by SETTIMER and identified by id (1-31).

SETTIMER 1 200 [SETPENCOLOR (LIST RANDOM 256 RANDOM 256 RANDOM 256)]
FMSLogo is ready to run new instructions and the timer changes the pen color randomly every 200 milliseconds.
REPEAT 72 [REPEAT 4 [FORWARD 100 RIGHT 90] RIGHT 5]
CLEARTIMER 1