The VNC CAO has 11 audio input and output channels:
- Entertainment channel 1
- Entertainment channel 2
- Entertainment channel 3
- Entertainment channel 4
- Entertainment channel 5
- Entertainment channel 6
- Entertainment channel 7
- Entertainment channel 8
- Announcement channel 1
- Announcement channel 2
- Announcement channel 3
The VNC CAO receives 10 control signals:
- Vehicle Speed
- Fan Speed
- Roof State
- Mute
- HU Volume
- GAL
- Announcement Volume
- NoiseEst Doorslam Counter
- NoiseEst Smallest RMS error
- NoiseEst Median RMS error
The VNC CAO sends 1 control signal:
- MNR (for ALA CAO)
VNC CAO – Internal signal flow
