| 摘要 |
PROBLEM TO BE SOLVED: To easily and clearly grasp and confirm a line number when various kinds of information data are registered, changed and deleted. SOLUTION: This device is equipped with a line display part which displays a line number, a next line display light 23b, a next line selection switch 23 and a registration processing part. At the data registration mode, the registration processing part displays the line number which is already registered on the line display part when specific setting information is selected, lights the next line display light 23b when plural lines are registered and they can't be displayed on the line display part at once and displays the line numbers which are registered as the next lines in the line display part one by one whenever the next line selection switch 23 are operated while the next line display light 23b is lit.
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