CME H2MIDI PRO User Manual page 16

When your computer is connected to the internet, the software
automatically detects whether the currently connected H2MIDI PRO
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 H2MIDI PRO every time after upgrading to
a new firmware version.
6. Settings
The Settings page is used to select the CME USB Host 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 Host MIDI hardware device so that it
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