internal genlock

• CD1300: NTSC genlock
• CD1301: PAL genlock
• allows overlaying CDTV graphics onto an incoming video signal
• CDTV-only, genlocked, and external-only video modes
• controlled by the CDTV remote controller
• replaces the CDTV’s video card
• composite input and output (two RCA connectors)
• S-VHS output