Arecont Vision av10005 ユーザーガイド
ARECONT VISION USER MANUAL
40
Arecont Vision 425 E Colorado St, 7
th
Floor Glendale, CA 91205 Revised 5/9/2010
www.arecontvision.com
www.arecontvision.com
www.arecontvision.com
www.arecontvision.com
Auto
Auto
Auto
Auto----Iris
Iris
Iris
Iris
The Auto-Iris menu allows you to monitor the state of the automatic DC iris. If the scene is too dark, the
camera will open the iris fully. This allows more light onto the sensor and will substantially improve the low-
light performance. If the scene is too dark when the camera is started, the camera will not close the iris until
there is enough illumination. Camera DC auto-iris can be configured using “Auto-Iris” menu (Figure 24):
camera will open the iris fully. This allows more light onto the sensor and will substantially improve the low-
light performance. If the scene is too dark when the camera is started, the camera will not close the iris until
there is enough illumination. Camera DC auto-iris can be configured using “Auto-Iris” menu (Figure 24):
Figure 24. Auto-Iris menu
The status of the auto-iris is displayed on a color panel at the
bottom of the Auto-Iris settings. There are six states possible:
bottom of the Auto-Iris settings. There are six states possible:
•
Disabled
Disabled
Disabled
Disabled: The auto-iris is either disabled by un-checking
the Enabled
the Enabled
Enabled
Enabled
Enabled check box, or is not present.
•
Evaluating
Evaluating
Evaluating
Evaluating: The camera is preparing to close the iris.
•
Too Dark:
Too Dark:
Too Dark:
Too Dark: The camera cannot close the iris because the
scene illumination is too low.
scene illumination is too low.
•
Clos
Clos
Clos
Closing
ing
ing
ing: The iris is closing down by the number of F-stops
appropriate for the lens model.
•
Closed
Closed
Closed
Closed: The iris is closed.
•
Opening
Opening
Opening
Opening: The iris is opening.
Auto-iris will open the lens fully once the on-camera analog gains
exceed a certain level. The ga
exceed a certain level. The ga
ga
ga
gain
in
in
in scroll bar adjusts the point where the
auto-iris will open fully: the higher the gain, the later the auto-iris will
open as the illumination diminishes.
The iris can be disabled by un-checking Enabled.
open as the illumination diminishes.
The iris can be disabled by un-checking Enabled.
Enabled.
Enabled.
Enabled. The camera will
open the iris fully and have electronic auto-exposure working. This
configuration is identical to using a manual lens.
configuration is identical to using a manual lens.