| 摘要 |
PURPOSE:To reduce the number of keys sharply and to simplify the handling of the entitled device by setting numerals on an electronic counter without using register keys of 0-9. CONSTITUTION:When input signals from input keys 31 and 32 for setting the number of copies and signals 51 and 52 from a print key 34 and a clear key 35 are received, control signals are outputted to BCD seven segment decoders 54 and 55 controlling the numeral display on a setting number displaying part 38 according to a prescribed program. A signal 56 controlling the action of the copying machine 10 is outputted to execute the copying operation corresponding to the set value. Decoders 54 and 55 can display numerals of 0-9 by the combination of the high level ''H'' and low level ''L'' of outputs from respective output terminals a g and the output are controlled by a microcomputer MC. |
