Samsung SVR-1670 User Manual page 60

Appendix G. Glossary
Term
File allocation table (32 bit generation). Replaces and overcomes limitations of
FAT 32 Format
previous versions. The SVR-1670 supports the FAT 32 operating system.
Federal Communications Commission. The governing body in the United States that
FCC creates and enforces compliance regulations regarding electronic equipment that
radiates radio frequency energy.
The programming written to the ROM portion of a small memory chip and that runs
Firmware programs on the SVR-1670. (Programs stored on firmware are usually small and
do not require the storage capacity found in large computer hard disk drives.)
The focal point of a lens. An adjustment to the lens optics improves the clarity of
Focus
the picture.
Frames per second. The number of frames that are displayed or recorded each
FPS
second.
Gain The increase in strength of a video signal. See also, automatic gain control (AGC).
GUI Graphical User Interface.
HDD An internal hard disk drive.
Interlace/ Combining even and odd fields to improve the picture quality of a video signal.
deinterlace Deinterlacing is the process of converting interlaced video to a non-interlaced form.
IPS Images per second. Same as FPS.
The circular control on the front panel of the SVR-1670 that is used to adjust
Jog/Shuttle menu settings, navigate through on-screen menus and control PTZ cameras. The
jog/shuttle can be pressed in any of four directions up, down, right, and left.
A series of light-emitting diodes located on the front panel of the SVR-1670 that
LED
indicate channel and data input status.
Abbreviation for a loop output connection terminal on a DVR, for each camera
Loop out
channel.
Manual recording The act of recording video by selecting the record function while viewing live video.
The maximum frames per second that can be recorded at the selected video
Max R/F
resolution.
The act of recording video based on the presence of motion in a defined area in the
Motion detection
camera field of view.
A data compression standard digital video codec with a very high data compression
H.264
rate that is also known as MPEG-4 Part 10 or AVC (Advanced Video Coding).
Normally Open/Normally Closed. The normal setting for a sensor when it is
connected to a DVR.
N.O./N.C. An alarm is triggered when the sensor is switched from its normal setting. For
example, if a sensor for a door is set to Normally Closed, opening the door triggers
an alarm.
118
Digital Video Recorder
Defi nition
SVR-1670
Term
National Television Standards Committee. The analog television standard used in
NTSC
most of the Americas, Japan, South Korea, Burma, Taiwan, and the Philippines.
Phase Alternating Line. Describes the color phase change in a PAL color signal.
PAL is the European color encoding TV system featuring 625 lines per frame, 50
PAL fields per second and a 4.43361875 MHz sub-carrier (4.43 MHz). Used mainly
in Europe, China, Malaysia, Australia, New Zealand, the Middle East and parts of
Africa.
To reposition a camera to the right or left, usually done with a computer mouse or
Pan
keyboard joystick control.
The act of displaying one channel on the screen while a second channel is
Picture-in-Picture
displayed in an inset window.
Point Of Sale. An external device for which the SVR-1670 can retrieve text data
related to recorded events.
A POS transaction registers sales amounts and other information related to a
POS
purchase. When combined with a surveillance camera recording video as each
transaction occurs, the data can be reviewed when the recorded video is played
back.
PPPoE Point-to-Point Protocol over Ethernet.
The pre-positioning of pan, tilt and zoom cameras by the use of potentiometers in
the moving parts of the camera head, which allow the control equipment to store
Preset location
and move to a set reference point when the controller dictates or when an alarm
exists.
The standard that provides the ability to control camera actions from a keyboard
joystick, remote control, or user interface. The SVR-1670 supports several standard
Protocol
and proprietary protocols such as Samsung Techwin, Pelco D, Pelco P, Panasonic,
and Samsung-E
PTZ (Pan/Tilt/
An acronym for a camera that provides pan, tilt, and zoom capabilities.
Zoom)
Any device attached to a DVR that can be invoked in response to an alarm or other
Relay
event. For example, a relay can lock or unlock a door in response to an alarm.
A measure of the ability of a camera or television system to reproduce detail.
Resolution Typically refers to the number of picture elements that can be reproduced with
good definition.
The act of recording video based on a programmed schedule. When a DVR is set to
Scheduled record video based on a schedule, only video for those days and hours is recorded.
recording Separate recording schedules can be created for each camera connected to the
SVR-1670.
The starting point for a block of data that is used by the text search function to
Seek header
locate the beginning of a recording or its associated data.
Digital Video Recorder
Defi nition
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SVR-1670