Yes, the resolution setting applies to all Rx channels. On Receivers> Receiver Settings> Resolution, you can set the resolution of the receiver by selecting the drop-down list.
The number of Rx channels is dependent on the selected resolution: 1 Rx channel at 4K, and 4 Rx channels at 720p or 1080p. Click here to see the details.
A pop-up will appear before the change is applied.
