| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem on lighting display to notify the operation of a warm-air heater, wherein as the lighting brightness is constant so as to be adapted to every condition, it sometimes give the sense of displeasure, depending on its use condition and environment, and in particular, it is distinct in a dark room in sleeping. SOLUTION: This operation display unit is configurated to reduce the brightness of lighting display by a predetermined amount in comparison with that in normal operation, only when the timer operation which is often used in sleeping, is selected. COPYRIGHT: (C)2004,JPO
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