AVer M50(355AF) user manual - Manual (Page 22)

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Menu Screen Function
MODE
Select various image display settings.
Sharp - adjust the contrast along the edges making text
appear more visible.
Graphics - adjust the gradient of image.
Motion - increase frame rate. Sufficient lighting is
required when using this mode.
Microscope - automatically adjust optical zoom for
microscopic viewing.
Macro - set to view when object is only 5 – 20 cm away
from the camera.
Infinite - set to view when subject is at least 55cm away
from the camera.
Focus
Manually adjust the focus.
Effect
Convert the image into positive (true color), monochrome
(black and white) or negative.
Default
Restore all the settings into original factory default setting.