VIVOTEK
Before you start tuning the exposure related settings, please note that each Exposure mode contains different configurable features. The options are shown below:
Exposure modes | Configurable features |
Auto | > Backlight compensation |
Shutter Priority | > Exposure time |
Iris Priority | > Iris adjustment |
Manual | > Exposure time |
| > Iris adjustment |
| > Gain control |
Exposure control:
■Exposure level: You can manually set the Exposure level, which ranges from
■Automatic gain control: Selects the reasonable gain value to maintain a good picture. Note that the gain level, lighting levels and picture performance are closely related.
■Exposure mode: Select Auto, Shutter Priority, Iris Priority, or Manual mode according to your needs.
For example, if the camera aims to monitor fast moving objects such as traffic control, you might utilize the Shutter Priority mode. Then, tune the slide bar to set the Exposure time and Gain Control to the best image quality.
■Auto Mode:
-Back Light Compensation (only available with the Auto mode): This option will automatically adjust the display of images according to the brightness of an object which is at the center of a camera’s focus.
If you select the Auto mode, the Exposure time and Iris adjustment will be not configurable since the sensor library will automatically adjust the value according to the ambient light.
■Shutter Priority:
-Exposure time: The Exposure time setting allows tuning for more or less light into the lens. The configurable value ranges from 1/10000 to the longest 1/1 second. An optimum shutter speed should be maintained as long as the light level of the scene permits.
■Iris Priority:
-Iris adjustment: The value is measured in the
■Manual: (the Manual mode enables access to the configurable features above)
- Exposure time: see above for description.
- Iris Adjustment: see above for description.
72 - User's Manual
