Testboy TV 333 Mode D'emploi page 26

Operation
The kind of illumination influences the information that is trans-
mitted by the eye to the brain. Increase the illumination where
precise seeing is necessary. In rooms with an luminance inferior
to 30 lux, the danger of accidents increases!
Older people need more light, because their visual performance
decreased. A 60-year old needs approx. twice the light of a 30-
year old.
Description of the Device
1. LC-Display
2. ON/OFF-Hold-Button
3. Range Selection
4. Light Sensor
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Testboy TV 333