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FLIR Client 12 Software: Configuring mainstream recording settings

Your DVR / NVR system uses two different recording streams:

  • Mainstream: a high-quality stream used for live viewing and recording.
  • Substream: a lower quality stream used for remote viewing and playback.

You can use these recording streams to record high-quality video locally and review video remotely with low bandwidth. These settings can be configured using the FLIR Client 12 software for PC / Mac.


  • Ensure that you have downloaded and installed the FLIR Client 12 software on your PC / Mac.
  • Ensure that you have logged in and added your DVR / NVR system to the FLIR Client 12 software.
  • NVR units also support a Mobilestream to set a custom video stream for remote viewing purposes. The following instructions require you to access your system using your DVR / NVR and a monitor.

To configure a mainstream recording stream:

  1. Launch the FLIR Client 12 software on your PC / Mac.

  2. Click Remote Setting in the top-right corner of the window.

  3. Under Settings,‎ click Record,‎ then click on the Mainstream tab.

    Mainstream Tab

  4. In the Channel drop-down menu, select a channel to configure the mainstream for.

  5. In the Resolution drop-down menu, select the recording resolution.

  6. In the FPS drop-down menu, select the number of frames per second.

  7. In the Bitrate Control drop-down, select a control method:

    • CBR (default)‎: Constant Bit Rate.‎
    • VBR: Variable Bit Rate. In the second drop-down, select a quality level for the video stream.
  8. In the Bitrate Mode drop-down menu, select the bitrate mode:

    • Predefined: select a preset value.
    • User-defined: enter a custom bitrate value.
  9. In the Bitrate drop-down menu, select the bitrate mode (predefined bitrate mode)‎,‎ or enter a custom bitrate between 1024-8192Kbps (user-defined bitrate mode)‎.

  10. Click the Audio switch to enable (Enable)‎ or disable (Disable)‎ audio on the selected channel (audio-enabled camera required)‎.

  11. Click Save.

LHA / LNK Series DVR / NVR system mainstream recording configuration

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