Bolide Full Product Catalog

Easy iPac Installation Guide

Multi IP Cameras Installation Guide

NVMS(Network Video Management Software) Installation Guide

SVR9000s Remote Setup Guide

SVR8000 Remote Setup Guide

SVR8000 Series DVR Comparison

SVR9000s S-Box Series DVR Comparison

CCTV Glossary
The following is a list of commonly used terms related to CCTV, with a brief description of the meanings. These terms are not specific to Bolide Technology Group, they are general terms used throughout the CCTV industry. If you don't find the term you are looking for, or you find any error, please contact us.
A  B  C  D  E  F  G   H  I  J  L  M  N  P  R  S  T  V  W
Impedance
The total opposition offered by a device to the flow of an alternating current. Measured in Ohms.

Interlacing
PAL video signals transmit odd and even lines alternately. This is a 2:1 interlace. The two sets of lines are combined to form each single frame.

Internal Sync
Devices with internal sync, have an internal crystal to provide sync pulses, without needing reference from any external device.

Infra Red (IR)
Low frequency light below the visible spectrum. This is often used for covert or semi-covert surveillance to provide a light source for cameras to record images in dark or zero light conditions.

IP Waterproof Rating (IP66 - IP68)
IP ratings are a BSi standard measurement for how waterproof something is. Many cameras or camera housings are designed for outdoor use, and therefore need to be waterproof to some degree. The details of the tests are defined in BS EN 60529 : 1992. The IP number has two digits, and optional letters after them.

Iris
This is a mechanical device that adjusts to vary the amount of light passing through the lens of a camera.