摘要 |
PROBLEM TO BE SOLVED: To solve the problem that, in an MPEG2-TS broadcast system, information such as broadcast transmission frequencies and service numbers are transmitted by NIT and held by a receiver to enable the channel selection, etc., but, if the receiver is damaged for some reason, the channel selection, etc., are disabled, this needing a recovery means. SOLUTION: The NIT acquisition operation made by a serviceman conventionally is realized automatically or by a user's simple operation. |