Cybertronian optical code is a means of delivering a message through the specific pulsing of a light or printed as a series of circles and semi-circles.

Fiction

Animated cartoon

As Optimus Prime told Jazz to reconfigure the decontamination chamber on the Elite Guard flagship's bridge to act as a freezing unit for the Decepticons to hear, he used the Autobot insignia on his left shoulder to actually tell him, in Cybertronian optical code, to configure it so that the decontamination chamber would be the only part of the bridge not to be frozen. Decepticon Air

Cybertronian optical code was also used, in printed form, on documents relating to Trypticon Prison and on tickets to a Rosanna concert. The AllSpark Almanac Addendum

Notes

• Cybertronian optical code is, in its written form, compatible with Morse code. Circles represent dots, and semi-circles represent dashes.

External Websites

• Blog post describing the use of Cybertronian optical code in The AllSpark Almanac Addendums.
• Cybertronian optical code as a truetype font.