How to watch the data broadcasting from the receiver and the receiver

The method for viewing a data broadcast in a receiver and the receiver is proposed. It is a lot of time is required when changing channels to find a channel that provides the desired data broadcasting. Pre-search the channels to provide a data broadcast channel, and these lists are pre-stored in the memory. Then then display it on the screen when the user wants. Thus, it is possible the user can view and select the channel that provides the very data you want to look at this list shows. At least two tuners are required for this purpose. Data broadcast, channel list, the tuner