12 C2910M-B-QS (2/06)
9. Hold the auto iris lens so you can watch the iris (refer to Figure 3). Then
increase the DC OFFSET setting slowly until the iris closes.
Figure 3.
Open Iris and Closed Iris
10. As soon as the iris closes, slowly decrease the DC OFFSET value by 14, or until
the iris opens again.
11. Select SAVE DC OFFSET to save the DC OFFSET setting into nonvolatile camera
memory. It will not be erased, either by cycling camera power or by restoring
factory settings.
12. Select EXIT to close the setup menus.
13. Power down the camera.
14. Remove the monitor cable from the camera’s rear panel.
15. Remove the auto iris lens connector from the camera’s rear panel.
16. Use clean, compressed air to remove any dust or other foreign matter between
the lens and the camera imager.
17. Screw the auto iris lens onto the lens mount.
18. Connect the auto iris lens connector to the camera rear panel.
OPEN IRIS CLOSED IRIS