RSSI_TYPE for logging the Signal Strength of Skydroid G12 RC and reciever

ArduCopter
1

How can i display and log the RSSI Signal strength data of Skydroid G12, in ardupilot.
What I currently did is kept RSSI_TYPE parameter as Telemetry and SBUS, still i couldnt display or log the RSSI signal strength data in ardupilot.