Installation
36
GasEye Cross Duct SG and MG
7. There should be a light
spot visible on the
coarse aligning unit
screen. If the spot is not
visible check whether
the light source is
switched on.
NOTE! It may be necessary to
use a hood to increase the
visibility of the spot by reducing
the ambient light intensity.
Figure 29. Light spot visibility.
8. By sliding the coarse
aligning unit the bright
spot may be focused on
the screen. Find a
position at which the spot
becomes the smallest
and sharpest.
Figure 30. Finding the best spot.
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