G4-304SD1a
User Manual & Install Guide
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OSD
On Screen Display – an image superimposed on a screen commonly
used to display information such as volume, channel, date/time,
device status, etc. It also forms the basis of the menu system display
which is used to configure the system settings of the digital video
recorder.
SD
Secure Digital Card – an ultra-small flash memory card designed to
provide high-capacity memory in a small form factor. It is a
commonly used high performance portable storage standard for
video and audio capture devices.
TCP
TCP is one of the main protocols in TCP/IP networks which enables
two hosts to establish a connection and exchange streams of data.
TCP guarantees delivery of data and also guarantees that packets will
be delivered in the same order in which they were sent.
UDP
UDP is a simple connectionless transmission model with a minimum
overhead of protocol mechanisms.
USB
Universal Serial Bus – it is an industry standard that defines the
cables, connectors and communications protocols used in a bus for
connection, communication, and power supply between computers
and electronic devices.
UTC
Coordinated Universal Time is a time standard based on International
Atomic Time with leap seconds added at irregular intervals to
compensate for the Earth’s slowing rotation. It is the primary time
standard by which the world regulates clocks and time.
Event Abbreviations.
When recorded video is viewed in G4 the abbreviations displayed on the screen for events
are specific to their default values.
SENSOR
OSD NAME
BRAKE
BK
WARNING LIGHTS
WN
STOP ARM
SA
DOOR
DR
LEFT TURN
LT
RIGHT TURN
RT
EXTRA1
EX1
EXTRA2
EX2