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SMTP authentication (Simple Mail Transfer
Protocol authentication)
SMTP mail transfer protocol appended with a user
authentication function. It authenticates passwords and
user accounts between SMTP servers and clients. Both
SMTP servers and clients must support SMTP authenti-
cation.
SNMP (Simple Network Management Protocol)
A protocol for monitoring and managing networked
communications devices, such as routers, PCs, cameras
and Network Disk Recorders via a network.
TCP/IP (Transmission Control Protocol/Internet
Protocol)
The standard network protocol for the Internet and
Intranets.
URL (Uniform Resource Locator)
An address for locating information resources such as
documents and images on the Internet.
VGA (Video Graphic Array)
Resolution with 640 x 480 pixels.
VPN
Service used to make public lines as private lines. Many
companies are using this as a new medium of communi-
cation instead of costly private lines. Depending on ser-
vice, VPN also provides a secure line using authentica-
tion technology and encryption.
WAN
Allows physically separated PCs, such as between the
head office and a branch office, to connect via a phone
line or private line data for exchanging.
Internet
A global system of interconnected computer networks. It
is required to contract with an Internet service provider
to connect to the Internet.
Event
Indicates an occurrence that causes the recorder to take
an event action. Events include terminal alarm, com-
mand alarm, video motion detection (VMD), video loss,
camera site alarm, etc.
Event action
A specific action to be taken at an event occurrence.
There are 2 event action modes: the alarm mode (ALM)
and the activity detection mode (ADM). The event action
to be taken at an event occurrence varies depending on
the selected event action mode. When "ALM" is select-
ed, an event occurrence will be informed outside by dis-
playing a notification on the monitor, lighting the LED,
sounding the buzzer, etc. (alarm action) When "ADM" is
selected, an event occurrence will not be informed out-
side and only recording and filing of event logs will be
performed. When "Off" is selected, only filing of event
logs will be performed.
Event recording
Recording automatically performed at an event occur-
rence.
Event recording includes the pre-event recording
(records images before an event occurs) and post-event
recording (records images after an event occurs).
Web browser
A software application which enables to display web
pages. Microsoft Internet Explorer® is one of the most
widely used web browser.
Video Motion Detection (VMD)
The function that automatically detects motion in imag-
es. In this product, it is possible to record images when
detecting motion in live images and also to search for
time and date of motion detection in recorded images
(VMD search).
External recording mode
Use the external switch connected to the recorder to
switch to time tables such as the recording settings and
event action settings.
Image quality
This product compresses and records images from cam-
eras. Image quality varies depending on the compres-
sion rate. In this product, the following image qualities
(compression rates) are available and they can be
selected for each camera channel and each recording
mode. XF (Extra Fine: Highest quality), SF (Super Fine:
Super high quality), FQ (Fine: High quality), NQ (Normal:
Standard quality),EX (Extended: Low quality)
Resolution (Image capture size)
Generally indicates the smoothness of the image quality
and the size of the images recorded from the camera. In
this product, it indicates the number of dots used in the
image displayed on the screen. A horizontal resolution of
720 dots and a vertical resolution of 480 dots is
expressed as 720-480.
Camera operation
Operations of the camera connected to the recorder
such as pan and tilt (horizontal and vertical position),
zooming, focusing, brightness (iris adjustment), preset
motions (movement towards a set horizontal and vertical
position) and auto functions (automatic camera rotation,
etc.).
Emergency recording
Gives priority to recording video and audio when an
emergency occurs using the external switch connected
to the recorder.
Global (IP) address
IP address assigned to each device connected to the
Internet that is equivalent to an address on the Internet.
IP address is required for Internet communications. In
contrast, IP address freely available to assigned to each
device within an intranet is called as "Private (IP)
address".
