Gatekeeper Y724 User's Operating Manual page 5

Y724 User Operating Manual
Term/Abbreviation
ACC
DVR
GPS
H.264
H.265
HDD
ICD / ICD2
IO
IP Camera
IR Remote
LAN
LCD Monitor
GLOSSARY
Accelerometer
Digital Video Recorder – a device which records audio and video
input from the cameras and stores it to a hard disk drive and/or an
SD card for retrieval and viewing.
Global Positioning System – it is a radio navigation system that
allows land, sea, and airborne users to determine their exact
location, velocity, and time 24 hours a day, in all weather
conditions, anywhere in the world.
Also known as MPEG-4 Part 10, Advanced Video Coding (MPEG-
4 AVC), this is a video coding format that is currently one of the
most commonly used formats for the recording, compression, and
distribution of video content.
Also known as MPEG-H Part 2, High Efficiency Video Coding
(HEVC), this video coding format is the successor to H.264
commonly used for the recording, compression and distribution of
video content.
Hard Disk Drive – a high capacity data storage mechanism used
for storing and retrieving large amounts of digital data. It is one of
the primary storage mediums used by the digital video recorder
for storing the recorded audio and video, the other being SD
cards.
Interactive Control Display, purpose-built touch screen monitors
for operating Gatekeeper Systems DVRs.
Input/output
An Internet protocol camera, or IP camera, is a type of digital
video camera commonly employed for surveillance, and which,
unlike analog closed circuit television cameras, can send and
receive data via a computer network and the Internet.
A handheld, wireless controller used to operate the DVR using
light signals in the infrared (IR) range. Infrared light requires line
of sight to its destination.
Local Area Network – it is a computer network that interconnects
computing devices within a limited area such as a work area or an
office building.
Liquid Crystal Display Monitor – it is a display screen that uses
electronically modulated segments controlling a layer of liquid
crystals and arrayed in front of a light source (backlight) or
reflector to produce images and text.
Description
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