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User Manual of Thermal Network Positioning system
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The value of shutter needs to be adjusted manually. The iris and gain values will be
adjusted automatically according to the brightness of the environment.
Figure 7-41 Manual Shutter

Manual:
In Manual mode, you can adjust the values of Gain, Shutter, Iris manually.
 Limit Gain
This feature is used to adjust gain of the image. The value ranges from 0 to 100.
 Slow Shutter
This function can be used in underexposure condition. It lengthens the shutter time to
ensure full exposure.
 Slow Shutter Level
When slow shutter is set as ON, you can select the slow shutter level from the
dropdown list. The slow shutter lever can be set to Slow Shutter*2, *3, *4, *6, *8.
Figure 7-42 Slow Shutter
The parameters vary depending on the models of positioning system.
Focus Settings
 Focus Mode
The Focus Mode can be set to Auto, Manual, Semi-auto.
 Auto:
The positioning system focuses automatically at any time according to objects in the
scene.
 Semi-auto:
The positioning system focuses automatically only once after panning, tilting and
zooming.

Manual:
In Manual mode, you need to use on the control panel to focus manually.