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This calculator has a solar cell and is energized by electrical energy produced by the solar cell. The
solar cell converts luminous energy directly into electrical energy by utilizing the photovoltaic effect.
Brightness for operation
If the light exposed to the solar cell is insufficient, the calculator is not powered to operate.
With the brightness criterion below, operate the calculator at 150 Iux or more.
Outdoors or by the window:
All manuals and user guides at all-guides.com
POWER SUPPLY
Incandescent lamp:
Fluorescent lamp:
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