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34 C2910M-A (4/05)
7. Hold the auto iris lens so you can watch the iris (refer to Figure 12). Then increase the DC OFFSET setting slowly until the iris closes.
Figure 12. Open Iris and Closed Iris
8. As soon as the iris closes, slowly decrease the DC OFFSET value by 14, or until the iris opens again.
9. 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.
10. Select EXIT to close the setup menus.
11. Remove the auto iris lens connector from the camera’s rear panel.
12. Use clean, compressed air to remove any dust or other foreign matter between the lens and the camera imager.
13. Screw the auto iris lens onto the lens mount.
14. Connect the auto iris lens connector to the camera rear panel.
OPEN IRIS CLOSED IRIS