| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable input/output terminal for septic tank management by which artificial errors of judgement on necessary/unnecessary as to work items in which operation cycles are different are eliminated, and works can efficiently be performed, and to provide a control program used therefor. <P>SOLUTION: The portable input/output terminal for septic tank management is provided with a means of displaying work items included in septic tank check sheets used for management works such as the checking, maintenance, inspection and cleaning of a septic tank in order, and further switching the displays of the work items to a display state or to a non-display state in accordance with the operation cycle of each work item. The judgement of the switching is performed based on the lapsed days from the last working day to this working day, and, based on the operation cycle of each work item, only the item as the work object in the time is displayed among each work item. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
