Boulder Amplifiers 1012 DAC Preamplifier - Manual (Page 26)

SOURCE SELECTION
To select an input (source) press one of the eight buttons on the left
side of the remote control in the ANALOG and DIGITAL groups. You
will now be listening to your desired source, and it will be showing in
the display.
VOLUME, BALANCE and MUTE
To increase the volume, press the button marked with an up arrow. To
reduce, press the one marked with a down arrow. Holding either button
down will cause the volume to change continuously until released.
To change the balance to the left, press the button marked with a left
arrow until the display shows “BALANCE CENTERED” and continue
holding until the display shows the desired balance change. Similarly,
you may change the balance to the right by holding the button marked
with a right arrow.
To temporarily mute the audio, press MUTE. To return to normal
audio level, again press MUTE.
REMOTE
CONTROL
3-2