Note: Cosmo C1 has 8 channels, it supports up to 4 sets of devices that can be used at the same place. Please open Cosmo C1 one by one, and set the device’s work mode to AUTO, then it will select a clean channel automatically when there exists interference.
- Select the AUTO mode
- Place the RX 1.7m above the ground
- Keep the RX at least 0.5m away from each other
![mceclip0.png](https://hollyland-techhelp.zendesk.com/hc/article_attachments/4410084346515/mceclip0.png)