RGB Video Output (PC Engine Duo-R) Updated Mar 15, 2026 · 2 min read · 0 viewing Previous AV Pinout (PC Engine Duo-R) The PC Engine Duo-R uses the same physical AV port as the Master System 1, Mega Drive / Genesis 1 an... Next Laser Tuning (PC Engine Duo-R) The PC Engine Duo-R can be tuned with the potentiometer on the side of the laser. Clockwise is more ...