FLIR FC Series Installation Manual page 37

Basic Operation and Configuration
Note
A VMS Remote to the camera, ONVIF, or Nexus CGI, uses the same password as the web interface.
Refer to VMS Remote, pg.
Firewall settings
For enhanced security, a firewall can be
enabled (by scrolling down on the Security
Options page).
With the firewall enabled, you can open the
following services and their default ports by
selecting Enabled:
• RTSP
• SSH
• uPnP Discovery
• Nexus SDK
• TRK Interface
Important Note
Disabling services can affect product
functionality.
Nexus CGI digest authentication
Below the firewall settings, you can enable Nexus CGI digest authentication.
2.5 Thermal Imaging Overview
The thermal camera makes an image based on temperature differences. In the thermal image, by
default the hottest item in the scene appears as white and the coldest item is black, and all other
items are represented as a gray scale value between white and black.
Both thermal and daylight cameras have detectors (pixels) that detect energy. One difference
between thermal and daylight cameras has to do with where the energy comes from to create an
image. When viewing an image with a daylight camera, there has to be a source of visible light
(something hot, such as the sun or lights) that reflects light off the objects in the scene. The same is
true with human eyesight; the vast majority of what people see is based on reflected light.
427-0089-00-12 Version 160
57.
March 2019
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