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Changing Automatic White Balance Settings
1. Select Camera Functions from the Dome Configuration Menu. The highlight appears on the
Auto White Bal setting.
2. Change the setting.
• Select Off to manually adjust the red or blue settings. Continue with step 3.
• Select On for automatic white balance. Continue with step 7.
The default setting is On.
3. Do one of the following:
• To change the red setting, move the highlight bar to W Bal Adj: Red, then continue with
step 4.
• To change the blue setting, continue with step 5.
4. Adjust the red setting. The values range from 0 to 511.
There is no default value for the red setting.
5. Do one of the following:
• To change the blue setting, move the highlight bar to Blue, then continue with step 6.
• If you are finished making changes, continue with step 7.
6. Adjust the blue setting. The values range from 0 to 511.
There is no default value for the blue setting.
7. Select Exit. The Dome Configuration Menu appears. Continue with What To Do Next on
page 3–6.
Working with AGC and Open Shutter Settings
The SpeedDome Ultra VII dome provides settings for compensating for low-light scenes in color:
Automatic Gain Control and Open Shutter. Automatic Gain Control (AGC) amplifies the video signal
in scenes with minimal light. Many low-light scenes result in picture noise. As gain is increased, the
picture noise is also amplified.
When AGC is enabled, the camera automatically adjusts the gain setting value. When AGC is
disabled, no gain is applied to the video signal. This may make the video appear darker on the
monitor.
The gain setting for the camera differs from the maximum gain (Max Gain) setting available on the
Camera Functions menu. The Max Gain setting is an upper limit for how much gain can be
increased when AGC is enabled. The trade-off between picture level (brightness) and noise may be
adjusted by setting the Max Gain value. Lower values for Max Gain setting may result in a darker
picture with less noise. Higher values for Max Gain setting may result in a brighter picture with more
noise.
In addition to the AGC settings, you may also adjust the Open Shutter settings to improve dome
performance in low light conditions. For more information, continue with Understanding How
Advanced Shutter Settings Improve Low-Light Performance.
Configuring Camera Features 3–3