Quadrox QGuard User Manual - Manual (Page 169)

QGuard User Manual 169
Version 4.9 Series
M
Masking – with this feature activated, only images with relevant activity in specified
area(s) will be recorded, which increases the recording time significantly.
Megabyte (MB) – is a unit of information equal to one million (1,048,576) bytes or
1024 kilobytes.
MPEG – is a standard format of the compression technology (see data compression).
N
NTSC (National Television Standards Committee or National Television Systems
Committee) – the standard television video signal format used in the U.S. and
Japan. In Europe the formats most often used are PAL and SECAM.
O
Operating system – is a group of programs that controls the basic operation of a
computer. Operating system functions include interpreting programs, creating
data files and controlling the transmission and receipt (input/output) of data to
and from memory and peripheral devices.
P
PC – abbreviation for Personal Computer.
PAL (Phase Alternate Line or Phase Alternation Line) – the standard for colour
television broadcast throughout much of Europe, which has good colour
transmission and sends an analogue signal at 625 lines of resolution 25
interlaced frames a second.
Pan Tilt Zoom (PTZ) camera – camera with moveable lens.
Password – a unique string of characters used to identify a specific user. The
computer provides various levels of password protection such as user,
supervisor, and administrator.
Picolo IO Proxy – equipment for alarm processing.
PMD IO Device – equipment for alarm processing.
Pop-up menu – a list displayed on the computer screen, by which a program provides
the user with different options for processing by the program. It usually
includes a mechanism, such as pointing by a mouse or selection by arrow keys,
to select the desired option from those on the list.
Port – the electrical connection through which the computer sends and receives data
to and from devices or other computers. This term means a part of IP logical
connection also. For instance: http://192.168.100.1:5000. Where 5000 is a port
number.