C550c Operation Manual
11 Software updates
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c. If a newer software version is available, download the newer version. The download file is:
dvc2-<n.n.n.n>.rdu
Where
<n.n.n.n>
is the controller software version.
3 Copy the downloaded file to the root of a USB memory stick.
4 Connect the controller to the mains power supply and insert your USB memory stick into your
controller.
Caution: Always connect the controller to the mains supply before updating the software.
This ensures a reliable power source.
5 On your controller, select Settings > Maintenance > Software Update and follow the on-screen
instructions.
6 Wait while the controller updates the software. This process may take several minutes
Caution: Do not switch off the controller or remove the USB memory stick while the upgrade is in
progress. Interrupting the upgrade may leave the controller inoperable.
7 When the update is complete, the controller prompts you to restart.
When the controller restarts, the update process is complete.