Failed to receive broadcast: Check the antenna cable. Check that the antenna is correctly setup
No broadcast now: Check the broadcast time in the program guide.
An incompatible audio signal has been received: This message is displayed when an audio format other than PCM, DTS or Dolby Digital is input.
Set the audio output format of connected external HDMI equipment to PCM, DTS or Dolby Digital. - Refer to the operation manual of the external equipment for setting details