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Digital Video Recorder User Guide
120
Digital Video Recorder User Guide
121
Term Denition
Sensitivity
Setting sensitivity of motion detection for a camera determines how much
or little movement is required before an alarm is triggered. A lower setting
triggers more alarms than a higher setting.
Sensor
An alarm sensor is available for each camera channel. Sensors are
normally open (N/O), or normally closed (N/C).
Spot monitor
A monitor that displays video but that does not provide access to on-
screen display menus.
Sync video
channel
The video camera to which recorded audio is associated.
Terminal block
A group of connectors on the rear panel of a DVR into which wires are
inserted that control camera position.
Thumbnail
A scene identifier presented by the SVR-1680/1660 after a user searches
for video. Selecting a thumbnail displays the recorded video that starts
with the thumbnail frame.
Tilt
To reposition a camera up or down, usually achieved with a computer
mouse or keyboard joystick control.
USB
Universal Serial Bus. A standard serial bus used to connect external
devices such as a flash drive or hard disk drive to the SVR-1680/1660.
VGA Video Graphics Array. An analog computer video standard.
Zoom
To enlarge or reduce, on a continuously variable basis, the size of a
televised image primarily by varying lens focal length.
Appendix E. Glossary
40588
445
405
Dimension