CME U4MIDI WC User Manual page 16

When your computer is connected to the internet, the software
automatically detects whether the currently connected U4MIDI WC hardware
is running the latest firmware and requests an update if necessary. If the
firmware cannot be updated automatically, you can manually update it on the
Firmware page.
Note: It is recommended to restart the U4MIDI WC after each upgrade to a
new firmware version.
6. Settings
The Settings page is used to select the CME USB MIDI hardware
device model and port to be set up and operated by the software. When a
new device is connected to your computer, use the [Rescan MIDI] button to
rescan the newly connected CME USB MIDI hardware device so that it
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