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What is modified

Successive software updates for the same model can:
  • Optimize processes.
  • Add new features.
  • Improve or modify the graphical interface.
  • Add new processing presets.
The version and model are displayed:
  • On the front panel startup screen.
  • In the top line of the WEB Control screen.
The unit can be updated while in service.
It may cause a brief audio interruption on-air (less than 2 seconds).

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Versions prior to 2.0

For units with firmware version 1.35 or earlier, refer to the corresponding manual at:
👉 Solidyne – User Manuals (discontinued equipment)

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Units with STREAMER AoIP module

The Streamer AoIP expansion allows direct access to the unit through a link and adds a simplified update method.
See details Equipment with STREAMER AoIP option

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542 APC standard model

Units with firmware 2.0 or later, without the STREAMER AoIP expansion, are updated using the following procedure:
  1. Ensure the computer accessing the processor has an Internet connection and is on the same LAN as the 542APC.
  2. Access the WEB Control page by entering the control IP in a browser.
    (See Network access and control).
  3. Enter SETUP mode (top right) and select INFO from the side menu.
  4. The unit will automatically check for available updates and generate a direct download link. 542 Firm20 INFO Update Pn
  5. Download the firmware update from the link.
  6. Download and install the Solidyne Discovery & Update Windows application (link in the INFO screen SOFTWARE section).
    • The installer will create a Solidyne Audio Processor folder in the Windows Start menu.
  7. Run the Discovery & Update application. 542 Discovery Pn
  8. Click Discover… → Solidyne equipment on the network will be listed.
  9. Select the 542APC unit and click Update firmware.
  10. In the popup window, select the update file downloaded in Step 5 and click OK.
  11. The application will overwrite the 542APC firmware.
  12. The unit will remain operational; there will be a brief audio interruption (less than 2 sec.) when restarting.
Do not power off or disconnect the unit during the update.
This could cause damage that cannot be repaired by the user.
Avoid performing updates from computers connected via Wi-Fi.

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Remote updates

Do not perform updates if accessing the unit directly via Internet (port forwarding).
Always use remote desktop software to connect to a PC on the processor’s LAN and access the local WEB Control from there.