Yamaha ATS-CU2070 Посібник користувача - Сторінка 39

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1. Connections

Problem

No sound is coming from the

subwoofer. (The

indicator on the subwoofer

flashes or the STANDBY

indicator on the subwoofer

glows.)

Though the

indicator on

the subwoofer glows, little or

no sound is coming from the

subwoofer.

The volume decreases when

the unit is turned on.

Cause

The center unit and subwoofer are not connected due to a

bad wireless communication status.

The center unit and subwoofer are not paired.

The volume is too low.

The front side of the subwoofer is blocked.

The playback source does not contain low-frequency

signals.

The automatic volume adjustment function is activated.

To prevent excessive loudness, the unit automatically

controls its volume within a certain level when the unit is

turned on.

Remedy

Move the subwoofer closer to the center unit. If the issue is not

resolved, move the subwoofer to a location that supports better

communication (one in which the

If the communication between the center unit and subwoofer is

obstructed by a metallic object or another object, change the

position of the center unit and subwoofer or change the

installation location of the subwoofer.

If there is a device (microwave oven, wireless LAN, etc.) that

emits radio frequency signals, move the center unit and

subwoofer away from the device.

Pair the center unit and subwoofer manually (p. 42).

If a wireless connection is not established, the unit may be

malfunctioning. Unplug the power cables from the AC wall outlets

and contact the nearest authorized Yamaha dealer or service

center.

Turn up the volume of the subwoofer (p. 28).

Clear the area around the front side and the bass reflex port of

the subwoofer.

Play back a sound source containing low-frequency signals, and

confirm that the sound is output from the subwoofer.

Turn up the volume as required (p. 28).

indicator glows).