Humax F3-Smart User Manual - Page 48

** 11.2 Error Message Error message No or bad signal The service is scrambled or not available. The audio is not available. Possible causes The aerial is not pointing properly. The service has signal, but no audio or video. What to do Adjust aerial. Check the cable from the aerial. If you cannot resolve the problem you may need to have your aerial and installation tested by a professional. Confirm if the service is currently on air. The service is deleted by broadcasting company. The service is for data broadcasting. Cannot watch the service in usual way. The service has signal, but no audio. Press the SOUNDTRACK button to confirm if the service has audio. GB 47