Focus
There are two ways to adjust the focus of the EVA System. The first is to adjust
the distance between the device and the patient. Remember that the position of
each cervix is different, so it may be necessary to readjust your position
according to the patient to ensure the EVA System remains in focus.
Once you have achieved adequate focus, as you zoom in and out digitally you
can use the manual focus wheel at the tip of the lens to adjust your focus.
The recommended default setting for the manual focus ring
is having it turned completely to the right. If you find that
working at the distance which normally yields the clearest
images doesn’t work, you can try adjusting the focus
manually by turning the focus wheel at the tip of the lens
to the right and to the left.
After you have captured images, it is important to review
the images captured to verify that they are clinically-useful.
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