Owner's Manual

User’s Manual 9
6. Firmware update for Windows
The current revision of the Liberty DAC II is shown in
the Liberty DAC II Uploader App.
• The rmware can be updated by using USB2 port and
Liberty DAC II Uploader app.
• It is recommended to turn off any powered speakers
/ power amps connected to Liberty DAC II before
proceeding with the rmware update
Follow the steps below to update the rmware:
1. POWER OFF DEVICE
Please press and hold [Input] button to power off
your device.
2. Run Liberty DAC II Uploader App
After installing Liberty DAC II Uploader application,
a shortcut icon should appear on your Desktop.
Double-click this shortcut to run it. From now, it will
be searching for any Liberty DAC II device connected
to your host machine. A searching process is
indicated by a spinner.
3. Power ON your device in Service Mode
To perform software update for the rst time, it is
recommended to turn-on your device in Service
Mode. To do so, press and hold [Volume] knob
button, than power-on your device by pressing and
holding [Input] button (while still holding [Volume]
knob button). After hearing a “click” from device,
release [Input] button and than release [Volume]
knob button. Your device should be discovered
by Uploader App as Liberty DAC II device running
Service Mode (which will be indicated by MQA diode
Orange color).