Samsung Galaxy S4 User Manual page 39

S970G-Print.book Page 31 Tuesday, August 20, 2013 9:42 AM
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2. Light (RGB) Sensor lets you use the ambient light level to adjust
the screen brightness/contrast. This sensor decreases screen
brightness in dim light.
• In a bright light condition (outdoors), the sensors cause the device to
increase the brightness and contrast for better viewing.
• In dim light conditions, the device decreases the screen brightness to
compensate.
Understanding Your Device
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