PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 ONLY)
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Playing back music stored on a PC
Check if the SYSTEM jacks of the network CD player and of the unit are connected to
each other. If not connected, operation is unavailable with the network CD player and its
remote control.
1
Connect the PC to the unit with a USB cable.
2
Turn on the PC.
3
Press the
A
(power) button on the front panel to turn on the unit.
You can also turn on the unit by pressing the
A
(power) button on the remote control
of the connected network CD player.
The unit is turned on by interlocking with the network CD player (
4
Press the USB button on the remote control of the connected network
CD player (or rotate the INPUT knob of the connected network CD
player) to select [USB DAC].
5
Set the audio output destination of the PC to “Yamaha A-U670/A-U671.”
With Windows OS:
Control Panel -> Hardware and Sound -> Sound -> [Playback] tab
With Mac OS:
System Preferences -> Sound -> [Output] tab
The setting may vary, depending on the operating systems. For details, consult the
manufacturer of your PC.
6
Operate the PC to start playback of music files.
When the music signal is input from the PC to the unit, the USB DAC indicator on
the front panel lights up in accordance with the sampling frequency of the music
being played. Sampling frequencies available for the unit are as follows:
n
Adjusting the sound volume
To obtain higher sound quality, set the sound volume at the PC to the maximum, and
gradually increase the volume at this unit from the minimum to your desired level.
•
Do not disconnect the USB cable, turn off the unit, or change the input while playback on a PC
connected via the USB cable is in progress. Doing so may cause a malfunction.
•
To mute operation sounds of the PC during music playback, change the setting on the PC.
•
If music files cannot be played correctly, restart the computer and perform the mentioned procedure again.
•
The music files stored on a PC cannot be controlled from this unit. Operate them on the PC.
•
When the unit is not connected with a network CD player, or when a network CD player is turned
off even if the SYSTEM jacks of the unit and of the network CD player are connected, the input
source automatically switches to USB when the unit detects the PC connected to it. When the unit
cannot recognize the connection, the input source automatically switches to ANALOG IN.
USB DAC
indicator
A
Indicator
Frequency
PCM
×1
44.1/48 kHz
×2
88.2/96 kHz
×4
176.4/192 kHz
×8
352.8/384 kHz
DSD
×1
2.8224 MHz
×2
5.6448 MHz
Notes
