Canon Rebel SL1 EOS 100D Instruction Manual page 73

=_ Shooting Movies
During movie shooting in a Basic Zone mode, an icon representing the
scene detected by the camera will be displayed and the shooting will be
adapted to that scene. For certain scenes or shooting conditions, the
icon displayed may not match the actual scene.
Background
Color
Gray
Light blue
*3 *3
Orange
Dark blue
"1 : Displayed only when the AF method is set to [_2 +Tracking]. If another AF
method is set, the "Non-portrait" icon will be displayed even if a person is
detected.
*2: Displayed when the attached lens has distance information. With an Extension
Tube or Close-up Lens, the icon displayed may not match the actual scene.
*3: The icon suiting the scene detected will be displayed.
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