Yamaha A-U670 Owner's Manual - Page 12

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n 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.

USB DAC

indicator

Connect the PC to the unit with a USB cable.

Turn on the PC.

Press the

(power) button on the front panel to turn on the unit.

You can also turn on the unit by pressing the

of the connected network CD player.

The unit is turned on by interlocking with the network CD player (+page 10).

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].

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.

(power) button on the remote control

PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 ONLY)

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:

Indicator

44.1/48 kHz

×1

88.2/96 kHz

×2

PCM

176.4/192 kHz

×4

352.8/384 kHz

×8

2.8224 MHz

×1

DSD

5.6448 MHz

×2

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.

Notes

• 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.

Frequency