VG4 Modular Camera Series | en 101
Bosch Security Systems, Inc. Installation Manual F.01U.162.025 | 6.0 | 2010.03
A Installation Notes for AutoTracker
AutoTracker is a feature available with the 500 Series AutoDome. AutoTrack operates by
recognizing an individual in motion and zooms-in to approximately 50% of the field of view for
an average target height of six feet.
For target acquisition, the focal length must be set correctly, and there needs to be at least
1.2 seconds of valid motion for tracking to initially start.
If you are installing a 500 Series AutoDome and the application requires the use of AutoTrack
consider the following notes and refer to the VG4 200, 300, 500i User’s Manual for more
information about setting AutoTracker parameters.
A.1 Camera Height
The height of the AutoDome determines the maximum effective distance that the AutoTracker
can track an individual. Bosch recommends a minimum camera height of 3.6 m (12 ft). It is
also important to note that the AutoDome will not tilt above the horizon when tracking.
The graph below shows the maximum tracking distance for an AutoDome with a specific
camera installed at various heights:
Figure 1.1 Maximum AutoTracker distance for a camera at a certain height
The chart below provides more detail for maximum AutoTracker distances at specific camera
heights for the three camera options:
Maximum AutoTracker Distance
Camera Height 18X 26X 36X
4.5 m (15 ft) 52.7 m (173 ft) 61.0 m (200 ft) 97.5 m (320 ft)
6.1 m (20 ft) 61.6 m (202 ft) 71.0 m (233 ft) 113.7 m (373 ft)
9.1 m (30 ft) 70.4 m (231 ft) 81.4 m (267 ft) 130.2 m (427 ft))
12.2 m (40 ft) 75.0 m (246 ft) 86.3 m (283 ft) 138.1 m (453 ft)
15.2 m (50 ft) 77.4 m (254 ft) 89.3 m (293 ft) 143.0 m (469 ft)
18.3 m (60 ft) 79.2 m (260 ft) 91.4 m (300 ft) 146.3 m (480 ft)
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