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24 en | Installation IP Camera 200 Series
AR18-09-B003 | v1.1 | 2010.05 Installation and Operation Manual Bosch Security Systems
3.8.2 Focal length and focus (NDC-255-P)
Adjust the focal length and focus of the NDC-255-P as follows:
1. To set the field of view of the varifocal lens, loosen the
focal length screw and turn the mechanism until the
required view is displayed on the monitor (Image goes out
of focus.)
2. Focus the image on the monitor by loosening the focus
screw and turning the mechanism until the image is in
focus.
3. Readjust the focal length if necessary.
4. Repeat these two adjustments until the desired view is in
focus.
5. Tighten both screws.
1. Focal length
2. Focus
NDC-255-P