User`s manual

User’s Manual
104 Glossary
BNC Bayonet Neil-Concelman, or British Naval Connector. This
connector type is used mainly for coaxial cable. A BNC is
easy to install and reliable, allowing little or no video loss.
Brightness The overall DC voltage level of the video signal, which is
adjustable. This controls the amount of light that is
perceived.
C
Cameo One of the view blocks in a multi-view screen. For example
in a 4
x 4 multi-view screen, 16 cameos are displayed.
CFG Abbreviation for Configuration.
Circular Recording Continuous recording. When storage space is filled, the
DigiMux returns to the beginning of the recording
medium and continues to record images over the oldest
known ones.
Color Saturation The degree to which white is mixed with color. High
saturation contains little or no white in the color mixture.
Compression The act of reducing standard video signals into compact
digital data.
Contrast The ability to display the range of black to white levels in
an image. High contrast appears as if there is more detail
associated with the image.
CPU Central Processing Unit. The unit in the computer that is in
control of all other computer parts.
D
DC Power Direct Current Power. DC power is usually derived from a
battery or an AC Adapter.
DHCP Dynamic Host Configuration Protocol. DHCP is a protocol
for assigning dynamic IP addresses to devices on a
network. The device IP address may change every time it
connects to the network.