PURPOSE: To decrease storage area and processing time by writing a prescribed value to a storage element corresponding to a received program number, changing a prescribed amount of a value of the storage element within a prescribed range from the prescribed value at a prescribed time interval, reading each storage element of the said storage means and displaying the reception state of a program or the like.
CONSTITUTION: Plural storage elements are arranged consecutively in the order of program numbers comprising plural storage elements corresponding respectively to all possible numbers of the program numbers, a storage element rewrite means D reads values of all storage elements of a storage means B at a prescribed time interval, a value of a storage element within a prescribed range is changed by a prescribed amount from a read prescribed value, the 1st display means E generates a display signal of a program number corresponding to a storage element, the signal is outputted from a terminal 7 and a receptionable program number is displayed.
EGURI SHIGEHARU
HOTSUTA TERUO
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