ledlibrary allows controlling built-in red LED on all UCM models. This LED is exclusively controlled by the Lua script and can be used for custom indications.
Turns on the built-in red LED.
Turns off the built-in red LED.
-- @param duration number
Starts blinking with the built-in red LED.
LED blinks with equal intervals.
duration defines the duration of LED being off and on in milliseconds.
-- Blink with "1 second on, 1 second off" intervals.