| 摘要 |
PROBLEM TO BE SOLVED: To make operation of a setting menu easy and user-friendly in a remote controller of a hot water storage type water heater.SOLUTION: If a menu key 24 is operated when a selection cursor 34 placed on a hot water supply temperature icon 31 is displayed, a main menu in a higher hierarchy for displaying a bath operation menu icon 35, a tank operation menu icon 36, and the other operation menu icons in a lower hierarchy as one of a plurality of options is displayed. If the menu key 24 is operated when the selection cursor 34 placed on a bath temperature icon 32 is displayed, a plurality of small item setting menus related to a bath and belonging to the bath operation menu icon 35 are displayed. If the menu key 24 is operated when the selection cursor 34 placed on a tank icon 33 is displayed, a plurality of small item setting menu related to a tank and belonging to the tank operation menu icon 36 are displayed. |
