Sony HT-A7000 Mode D'emploi page 55

subwoofer is too close or far away
from each other, Sound Field
Optimization cannot be performed
properly. Adjust the distance between
speakers and perform Sound Field
Optimization again.
 If there is any obstacle between
speakers or the microphone for
measurement of the speaker is
blocked by an obstacle, Sound Field
Optimization cannot be performed
properly. Remove it if there is any
obstacle between speakers or in front
of speakers.
USB Device Connection
The USB device is not recognized.
 Try the following:
 Turn the speaker system off.
 Remove and reconnect the USB
device.
 Turn the speaker system on.
 Make sure that the USB device is
securely connected to the
port (page 29).
 Check to see if the USB device is
damaged.
 Make sure that the USB device is
turned on.
 If the USB device is connected via a
USB hub or cable, disconnect it and
connect the USB device directly to the
speaker system.
 When connecting a WALKMAN® or
smartphone, its internal storage or
external storage (such as a memory
card) may not be recognized.
Mobile Device Connection
Pairing cannot be achieved.
 Bring this speaker system and the
BLUETOOTH device closer together.
 Make sure this speaker system is not
receiving interference from a wireless
LAN device, other 2.4 GHz wireless
devices, or a microwave oven. If a
device that generates
electromagnetic radiation is nearby,
move the device away from this
speaker system.
BLUETOOTH connection cannot be
completed.
 Make sure that the BLUETOOTH
indicator of the bar speaker is lit
(page 28).
 Make sure the BLUETOOTH device to
be connected with is turned on and
the BLUETOOTH function is enabled.
 Bring this speaker system and the
BLUETOOTH device closer together.
 Pair this speaker system and the
BLUETOOTH device again. You may
need to cancel the pairing with this
speaker system using your
BLUETOOTH device first.
 Pairing information may be deleted.
Perform the pairing operation again
(page 27).
Sound of the connected BLUETOOTH
mobile device is not output from the
speaker system.
(USB)
 Make sure that the BLUETOOTH
indicator of the bar speaker is lit
(page 28).
 Bring this speaker system and the
BLUETOOTH device closer together.
 If a device that generates
electromagnetic radiation, such as a
wireless LAN device, other
BLUETOOTH devices, or a microwave
oven is nearby, move the device away
from this speaker system.
 Remove any obstacle between this
speaker system and the BLUETOOTH
device or move this speaker system
away from the obstacle.
 Reposition the connected
BLUETOOTH device.
 Switch the wireless LAN frequency of
any nearby wireless LAN router or PC
to the 5 GHz range.
 Increase the volume on the connected
BLUETOOTH device.
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