2
、
Input select button. Press to cycle from Coaxial, Toslink, AES, USB and WiFi (when equipped). LCD display will show the
sampling rate when a valid digital signal is detected.
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SD?will be displayed in the case of a DSD format is recognized.
3
、
Volume - button. Short press to decrease the output level by 1dB, or long press for continuous reduction. When in pure DAC mode,
a long press will turn on the pre-amplifier and headphone amplifier.
4
、
button. Short press to increase the output level by 1 dB, or long press for continuous Increase. When in pure DAC mode,
a long press will turn on the pre-amplifier and headphone amplifier.
When the output level is 0dB, release and followed by a long press to the button will turn on the Pure DAC mode,
which shuts off pre-amplifier and headphone amplifer.
The buttons and display will be locked after 20 seconds without operation. Press any button to light up the display and disable
the button lock.
A long press to the input button will allow you to choose a filter mode from Sharp or Slow. Sharp mode has a flat frequency response
while Slow mode has slight roll off in high frequency. Please experience and choose one that you prefer.
When equipped with WiFi module, press Input button and button in the same time for 1 second will toggle WiFi function on
and off. Press Volume - and button in the same time for 1 second will reset the WiFi settings.
!!! Warning: ADA1 outputs a full scale signal in pure DAC mode. You must have a volume control in your system, otherwise
the output level could be dangerous high, and might permanently damage your equipment and hearing