Miditech MIDI THRU 4/ FILTER Bedienungsanleitung Seite 30

2. Install and running software "MIDI Filter 4.exe"
3. Make your user settings.
4. Click "Device" to select the MIDI device, for an USB-MIDI
interface, the name normally is on Windows XP "USB Audio
Device", on Windows 7 or 8, the device drivers name.
5. Click "Update", then the LED of MIDI Filter/Thru 4 should
flashing when system is updating.
6. Click "Save" to save the current setting and "load" for load
the file.
You do NOT need to set any switches in this Update-mode
with the MT4-editor software. The switches are ONLY for
programming with a MIDI keyboard.
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