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the omega doesn't have a screen
Just to clarify a couple of things, the video connector on the IQ has 20 pins, not 18.
The pin information is as follows:
1: DVD Video Signal (-)
2: Coaxial DVD Video Signal
3: Coaxial Shield
4: Camera Video Signal
5-6: Not Used
7: Video Blue Signal
8: Video Green Signal
9: Low Reference
10: Video Red Signal
11: Drain Wire
12: Video Synchronization Signal
13-20: Not Used
Pins 1 & 2 are used for RSE (Rear Seat Entertainment ie: DVD player)
Pins 3 & 4 are used for the reverse camera
Pins 7 to 12 are used for the HSV EDI module.