SmarTek Systems SVS-1 User Guide-Part B - Manual (Page 10)

Setting Light Reference and Visibility Parameters
1) Select the Light Reference by
clicking the LZ = button
below the camera image until
L Ref appears.
2) Set the Light Reference
Detection Threshold to 140.
3) Set the Light Reference
Smoothing Alpha to 0.0005.
4) Set the Visibility Time Out to
5 Minutes.
5) Set the Visibility Threshold to
3, 4, or 5 (default is 3).
After completing the parameter
setup, click the Main Setup
button to return to the Main
Setup display.
Each Light Reference parameter and/or each Visibility parameter may need to be adjusted after observing the Image Histogram to
determine the position of the dominant peak during daylight periods. Each parameter may be changed by clicking in the upper/lower part
of the parameter value field to increment/decrement the value.
The Show Visibility Grid Check Box specifies whether to show the Visibility Reference Grid in
the Output Video signal. The Visibility Reference Grid shows up as 5 green horizontal lines in
the output video display.
1
Click this button to display LZ parameters