FAQ Glossary

Title Definition
IMAP The Internet Message Access Protocol (commonly known as IMAP) is an Application Layer Internet protocol that allows an e-mail client to access e-mail on a remote mail server.
IP Stands for "Internet Protocol." It provides a standard set of rules for sending and receiving data through the Internet.
IP CAMERA A camera that does not require a video connection to a DVR. The camera receives its signal using wireless tehcnology. IP cameras do require a power supply in order to function.
IR (Infrared) A technology that allows for the capture of video at night and periods of darkness. Cameras with IR capability will use infrared LED's that transmit out infrared light from the camera lens. The distance a camera can see in the dark is based on how many LED's the camera has.
IR CUT FILTER The IR-cut filter(ICF) is a short pass filter that blocks infrared light and transmits the visible light.
LAN A LAN is a computer network limited to a small area such as an office building, university, or even a residential home.
LED A light-emitting diode (LED) is a semiconductor light source. LEDs are used for infrared illumination in night vision uses including security cameras.
LOOP OUT If a DVR (or NVR) has loop out, it means that each channel has a dedicated video out that only displays video feed from that one channel.
LUX Lux is the metric unit for measuring the amount of light that falls on an object. One LUX is the amount of light cast by one candle at one meters space.
LVF A file with the .lvf file extension is used to change the picture being sent by a webcam. Each .lvf file contains the graphics or instructions necessary for your computer to change the image recorded by your webcam.