User Manual

NAMES AND FUNCTIONS OF THE PARTS
3 En
1 A (Power) button
Turns this unit on, or sets it to standby mode.
In standby mode, the unit consumes a small amount of power.
2 Power indicator
Lights up when the unit is turned on.
3 PHONES jack
Connect your headphones.
When headphones are connected, no sound comes from the speakers or subwoofer.
4 BASS control
Increases or decreases the low frequency response.
Control range: –10 dB to +10 dB
5
TREBLE control
Increases or decreases the high frequency response.
Control range: –10 dB to +10 dB
6 BALANCE control
Adjusts the sound output balance of the left and right speakers to compensate for
sound imbalances.
7 VOLUME control
Adjusts the volume.
8
USB DAC indicators (A-U670 only)
Lights up when audio signals are input to the USB DAC jack of this unit (page 9).
9
PURE DIRECT button and indicator (A-U670 only)
Reproduces any input source in the purest sound possible (page 10).
The indicator lights up when the PURE DIRECT function is turned on.
NAMES AND FUNCTIONS OF THE PARTS
Front panel
(A-U670)
Notes
Notes