User Guide

427-1065-00-12 Revision 130 November 2019 30
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Basic Operation and Configuration
Port 554 is the standard RTSP port as well as the default for the camera. Typically, if the default port
has not been changed, the port can be left out of the streaming command, such as:
rtsp://192.168.0.250/stream1/sensor1.
In addition, to maintain compatibility with legacy systems the stream names are aliased as:
ch0 = stream1/sensor1 and ch1 = stream2/sensor1.
The video streams can be accessed with the shortened strings, such as rtsp://192.168.0.250/ch0.
Refer to Video, pg. 33 for additional information on RTP settings and stream names.
Unable to control the camera
If the camera does not respond to commands, the user may not have control of the camera. The
web server allows two sessions to be connected to the camera at a time. By default, control of the
camera will automatically be requested.
Noisy image
With the analog video signal, a noisy image is usually attributed to a cable problem (too long or
inferior quality) or the cable is picking up electromagnetic interference (EMI) from another device.
Although coax cable has built-in losses, the longer the cable is (or the smaller the wire gauge/
thickness), the more severe the losses become; and the higher the signal frequency, the more
pronounced the losses. Unfortunately this is one of the most common and unnecessary problems
that plagues video systems in general.
Cable characteristics are determined by a number of factors (core material, dielectric material, and
shield construction, among others) and must be carefully matched to the specific application.
Moreover, the transmission characteristics of the cable will be influenced by the physical
environment through which the cable is run and the method of installation. Use only high quality
cable and ensure the cable is suitable to the environment.
Check cable connector terminations. Inferior quality connections may use multiple adapters which
can cause unacceptable noise. Use a high-quality video distribution amplifier when splitting the
signal to multiple monitors.
Image too dark or too light
By default the FB-Series thermal camera uses Automatic Gain Control (AGC) settings that have
proven to be superior for most applications while also responding automatically to varying
conditions. The installer should keep in mind that the sky is quite cold and can strongly affect the
overall image. Slightly moving the camera to include (or exclude) items with hot or cold temperatures
will influence the overall image. For example, a very cold background (such as the sky) could cause
the camera to use a wider temperature range than appropriate.