Operation Manual

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6. Lens Control:
(1) Zoom control
Users can control the PTZ lens in order to adjust the zoom level of the
camera and get wide/narrow view according to the scene.
(2) Focus Control
System default is auto-focus. The object in center of the screen will be the
subject of focus. In exceptional circumstances the user can manually
adjust the focus in order to maintain a clear picture.
When in momentarily manual focus state (achieved by Focus +/- controls
on the control unit), any shift of the camera by user or preset call will
reinstate the auto-focus.
In the following situations the camera lens may not autofocus on the
desired objective:
a. Target is not in the screen center;
b. The target has different parts that are both near and far.
c. The target is light objects such as neon lighting, spotlights and other
luminous items;
d. Target is behind interfering layer (Such as droplets or glass).
e. Large monotone area targets, such as walls.
f. Large area targets, such as walls;
g. Target is located in extremely dark/foggy environment.
7. Aperture Control:
Users can control the lens in order to manually adjust the aperture size to
get the required picture brightness.
8. Backlight Compensation:
When the backlight compensation function is on, the camera will disregard
bright areas in the scene and will open the shutter further more to light up
dark areas in the scene.
9. White Balance:
The camera will reproduce color shadings according to the changes in
ambient light in order to achieve true color shades in any conditions.