Vivitar ViviCam 3705 - Manual (Page 23)

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The camera has four flash modes: Automatic Flash (default), Red-Eye Reduction, Fill Flash (On), and Flash Off. The modes
appear, cyclically, when you press the button. The table below will help choose the appropriate flash mode:
Flash mode Description
Auto flash The flash fires automatically according to the ambient lighting conditions. Select this mode for
general flash photography.
Red-eye reduction The flash emits a precursor-flash before the main flash fires. This causes the pupil in the human eye
to constrict, reducing the red-eye phenomenon. Select this mode when taking images of people and
animals in low-light conditions.
Fill flash The flash will always fire regardless of the surrounding brightness. Select this mode for recording
images with high contrast (backlighting) and deep shadows. Also known as forced flash.
Flash off The flash will not fire. Select this mode when taking images in a place where flash photography is
prohibited, or when the distance to the subject is beyond the effective range of the flash.