To see the Diagnostics for the Sensor Master:
- Devices-->Choose a Sensor Master-->Diagnostics (heartbeat icon)
You will see a visual representation of any channels that are currently patched to each of the 12 slots (see: Patching channels to the Sensor Master )

- Channels are numbered 1-12, and show the names of each sensor input
- Any empty channels shown as blank
- A tick box shows the status of each channel
- Grey line for inactive
- Green tick for active
For more info on using Sensor inputs see: Using the Sensor Input channel