Bosch DHR-1600A-150A CCTV Glossary - Page 5

Camera, DVR, and VIP products Glossary of CCTV Terms | en 5 CVBS Composite Video Blanking and Sync: The format of an analog television (picture only) signal before it is combined with a sound signal and modulated onto an RF carrier. Composite video is often designated by the CVBS acronym, meaning any of Color, Video, Blank, and Sync, Composite Video Baseband Signal, Composite Video Burst Signal, or Composite Video with Burst and Sync. It is usually in a standard format such as NTSC, PAL, or SECAM. D Day/Night (IR sensitive) A camera that has normal color operation in situations where there is sufficient illumination (day conditions), but where the sensitivity can be increased when there is little light available (night conditions). This is achieved by removing the infrared cut filter required for good color rendition. The sensitivity can be further enhanced by integrating a number of frames to improve the signal-to-noise ratio of the camera. Default Shutter A feature allowing the shutter speed to be set to a fast speed to eliminate motion blur and provide a detailed and clear image of fast-moving objects while there is sufficient light. When light levels fall and other adjustments have been exhausted, the shutter speed reverts to the standard setting to maintain sensitivity. DHCP Dynamic Host Configuration Protocol: Uses an appropriate server to enable dynamic assignment of an IP address and other configuration parameters to computers on a network (Internet or LAN). Digital Image Stabilization See Image Stabilization Dinion A high-performance, smart surveillance camera series designed by Bosch utilizing 10 and 15bit digital video processing. Divar The Bosch Divar digital video recorder (DVR) series are compact, low profile units that combine advanced digital recording and multiplexing. DNR Dynamic Noise Reduction: A digital video processing technique that measures the noise (image artifacts) in the picture and automatically reduces it. DNS Domain Name System: A service that stores domain names and translates them into Internet Protocol (IP) addresses. Duplex Term used to define the direction of data transmission between two parties. Half-duplex allows data transmission in both directions but not simultaneously. Full-duplex allows simultaneous data transmission. Ethernet EnviroDome E The most commonly used local area network (LAN) access method. Ethernet complies with the IEEE 802.3 standard. The Ethernet standard supports 10 Mbps, 100 Mbps, 1000 Mbps, and 10 Gb (Gigabit) data transmission rates. Camera with environmental protection that allows it to be used outdoors in almost any climate. Bosch Security Systems Glossary of CCTV Terms AR18-08-B000 | | Version 1.0 | 2008.08