How to properly operate and use a hand-held lux meter?

How to properly operate and use a hand-held lux meter?

How to correctly operate and use a hand-held lux meter

If only "1" is displayed at the left end of the display, it means that the illumination is too much, and you need to press the range key (⑧ key) to adjust the measurement multiple.

For example: 500 is displayed on the screen, the status displayed in the lower right corner is "×2000", and the illuminance measurement value is 1000000lx, that is (500×2000).