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S e t u p g u i d e
OPTO
SPLIT
II
Image Optimisation (Trim Adjustment)
Vignetting is when the image appears darker towards one edge. This
effect can be easily corrected by adjusting the trim control. To adjust the
trim control, loosen the clamp screw on the underside of the Optosplit II
by a quarter of a turn in order to free the slider which controls the trim
control. Gently move the slider until the vignetting is eliminated. If the slid-
er is moved too far then the vignetting will become apparent on the other
image and will need to be adjusted in the opposite direction until both
images are the same intensity. It is important to remember to re-tighten
the clamp screw once the adjustment is complete.
If the Optosplit II has been configured into single channel (non-split mode)
and Trim adjustment is required to compensate for vignetting being
observed, it is likely the slider will need to be at the extreme of its range of
movement to either end.
Vignetting is a darkening of the
image towards one edge.
Trim controller
Clamp screw
