Interlogix TruVision TVB2406 Installation Manual page 16

When the Auto-focus feature is enabled, the camera
can automatically adjust itself to achieve the best
focus.
For more details, refer to the TVI DVR user manual.
Using a CVBS output
A TVS-C200 (purchase separately) can be used to
program the camera over its CVBS output, not the
TVI video output.
Connect a monitor and the TVS-C200 controller (if
required) as shown below.
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