60 en Glossary of CCTV Terms

AutoDome Modular Camera System

 

 

R

Region of Interest

The defining of a specific area within a field of view to be used by the motion detection algorithm to only look for motion within this region.

Resolution

The measure of the fine detail that can be seen in an image. For analog systems this is typically measured in Television Lines or TVL. The higher the TVL rating, the higher the resolution.

RS232/485

A communication interface for third party control and firmware upgrades to the AutoDome products.

Rule

AutoDome’s alarm management subsystem that uses “if this, do that” rules to perform specific actions when an event occurs.

S

Sector Blanking

The ability to blank out video in any of the 16 pan sectors.

Sensitivity

A measure of the amount of light required to provide a standard video signal. Sensitivity values are stated in lux or foot-candles.

SensUp

Increases camera sensitivity by increasing the integration time on the CCD. This is accomplished by integrating the signal from a number of consecutive video frames to reduce signal noise.

Singlemode Fiber

An optical fiber with a silica (e.g. glass) core with a diameter of less than 10 microns. Used for high-speed transmission over long distances, it provides greater bandwidth than multimode, but its smaller core makes it more difficult to couple the light source. Singlemode fiber optic transmission systems use more expensive laser-based light sources.

Spot Focus

Activates Auto Focus for three seconds after camera movement.

Subnet Mask

Subnetting is a method that allows one large network to be broken down into several smaller ones. Depending on the network class (A, B, or C), some number of IP address bits are reserved for the network address (subnet) and some for the host address. For example, Class A addresses use 8 bits for the subnet address and 24 bits for the host portion of the address. Class A subnet masks are denoted 255.0.0.0. Class B addresses (16 bits for both the subnet and host address) use a 255.255.0.0 subnet mask. Class C addresses (8 bits for the subnet and 24 bits for the host address) use a subnet mask of 255.255.255.0.

F01U064036 1.0 2007.01

VG4-200, VG4-300, VG4-500i Series User’s Manual

Bosch Security Systems, Inc.

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Bosch Appliances VG4-300 Region of Interest, Resolution, RS232/485, Rule, Sector Blanking, Sensitivity, SensUp, Spot Focus
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VG4-500I, VG4-200, VG4-300 specifications

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