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| A black board is the display panel of a case.The printed circuit board for LED is somewhat cut more smallish from a panel, and the mounting position of LED is checked. | LED for a preset temperature display is attached in another printed circuit board in order to adjust height. An upper right square hole is a hole for the lead wire of LED for a control display. |
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| This is in the state which made the holes in the display panel and the front acrylics board. | The control display LED used this time is square, and is the type fixed with the spring of the case of LED. |
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| This is in the state which wrote the name to the board of acrylics using the character seal. In order to prevent exfoliation of characters, the transparent sheet with adhesion paste was stuck on the character seal. | The mask made from black paper is inserted between an acrylics board and a panel. This is for hiding except the luminescence portion of LED. Since this mask is only appearance, even if it does not make in particular, there is no problem. |
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| This is in the state which attached the display panel in the case. | This is in the state which looked at the display panel from the reverse side. The lead wire of LED for a control display is not soldered to a printed circuit board. It is to facilitate the exchange of the 7 segment LED. |
