| 摘要 |
PURPOSE:To acknowledge alarm sound even visually by performing acknowledgement of plural kinds of alarm sounds by a display means. CONSTITUTION:In order to acknowledge the contents of ROM7 wherein different melodies A-G for Sunday to Saturday are stored, a melody calling key MS is operated. By this operation, address data corresponding to Sunday which is stored in an A register in RAM4 is read out, converted into a leading address of a melody to be stored in ROM7 by an operating circuit 5, and transferred and set in the second address counter 11. Then the melody is read out from ROM7, and the melody corresponding to Sunday is played from a sound playing part 8. At this time, Sunday is displayed in a segment display 13B. When the melody for Sunday is finished, the melodies for the days of the week are sequentially played and the days of the weeks are displayed. |
