I'd imagine it either employs the Macintosh startup sound, or the legally required audio clip of a camera shutter, and red blinking light as visual cue, to let the subject know that lasing is in progress.
I'd imagine it either employs the Macintosh startup sound, or the legally required audio clip of a camera shutter, and red blinking light as visual cue, to let the subject know that lasing is in progress.