For Pyro 5

Please enter the menu of the Pyro 5 system settings.
Select the "Wireless" and click the "Scan" button in the "Channel Switch" area.
The height of the columns indicates the signal strength of the channel(RSSI).
The meaning of the scanning results:
➢ Yellow: Using frequency channel.
➢ Red: There is other wireless interference for this channel
➢ Green: There is no other wireless interference for this channel

Note:
➢ The "Scan" function only works in Receiver mode.
➢ Click the "channel column" to switch the channel quickly.