Vicon VN-755IP, Installation & Operation Manual

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9
Camera A's VIDEO OUT
Camera B's VIDEO OUT
Should be in phase
If an oscilloscope is not available, a less accurate adjustment can be made by observing the monitor and
adjusting the V-phase control push button until no roll occurs on the monitor when switching back and forth
between cameras A and B.
12. BACKFOCUS ADJUSTMENT
This is used to position the CCD image sensor at the precise point of focus the lens.
Backfocusing Fixed-Focal-Length Lenses
1. Install a lens and connect the camera to a monitor and power supply as described in this manual.
2. Open the iris completely. If an autoiris lens used, reduce the room lighting to allow the lens to open
completely. This gives the most accurate results.
3. Adjust the screw slowly until the sharpest picture is obtained. This completes the adjustment. The
backfocus adjustment screw is held in place by friction, so there is no locking screw.
Backfocusing Zoom Lenses
1. Install a lens and connect the camera to a monitor and power supply. If the lens is motorized, it must
also be connected to a lens control.
XX156-00-01 Rev 705 VN-755IP Camera