| 摘要 |
PROBLEM TO BE SOLVED: To improve operability in setting while preventing set information from being unexpectedly modified. SOLUTION: A control slave set 3 is provided with a cover 120 detachably attached on the front of a body 100 to cover the front of the body 100. An operation unit (switches S1-S6) of an operation input accepting section 34 is disposed so as to be exposed on the front of the body 100 covered with the cover 120. Accordingly, covering with the cover 120 prevents the operation unit of the operation input accepting section 34 from being unexpectedly operated, and detaching the cover 120 from the body 100 enables easy operation of the operating unit exposed on the front of the body 100. COPYRIGHT: (C)2010,JPO&INPIT
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