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AutoDome Modular Camera System Glossary of CCTV Terms | en 59
Bosch Security Systems, Inc. VG4-200, VG4-300, VG4-500i Series User’s Manual F01U064036 | 1.0 | 2007.01
N
NEMA (National Electrical Manufacturers Association) Rating
Specification standards in reference to the operating environment for a variety of electrical
devices.
NightSense
A method of boosting the sensitivity of high-resolution Bosch color cameras by 9db (a factor
of 3) by combining the signal of the color image in a single monochrome picture.
NPT (National Pipe Thread)
A U.S. standard for tapered threads. NPT sizes measure the nominal inside diameter of the
pipe. NPT threads form a seal as the threads compress against each other.
O
OSD (On-Screen Display)
Menus are shown on the display monitor.
P
Pan
Camera movement in the horizontal direction.
Pixel
The smallest addressable unit on a display screen or bitmapped image.
Pre-Position
A pre-selected and stored combination of pan, tilt and zoom positions that allow a set view to
be recalled. Also known as Preset Shot.
Preset Tour
A sequence of preset shots combined to provide a pre-programmed tour of the area covered
by an AutoDome camera.
Pressurized Dry Nitrogen Housing
A housing for outdoor applications that protects against smog, humidity, dirt and dust.
Privacy Masking
The ability to mask out a specific area to prevent it being viewed.