Sony HT-A7000 Mode D'emploi page 54

The sound is interrupted while
watching a TV program or content
on a Blu-ray Disc, etc.
 Check the sound mode setting
(page 37). If the sound mode is set to
[Auto Sound], the sound may be
interrupted when the sound mode is
changed automatically according to
the information of the program that is
being played. If you do not want to
change the sound mode
automatically, set the sound mode to
a setting other than [Auto Sound].
The TV sound from this speaker
system lags behind the image.
 Set the adjustment value of the delay
between the picture and sound to 0
msec if it is set to the range between
25 msec and 300 msec. For details,
refer to Help Guide.
 A time gap between the sound and
picture may occur depending on the
sound source. If your TV has a
function that delays the image, use it
for adjustment. For details, refer to
the operating instructions of your TV.
No sound or only a very low-level
sound of the device connected to
the speaker system is heard.
 Press  (volume) + on the remote
control and check the volume level
(page 12).
 Press  or  (volume) + on the
remote control to cancel the muting
function (page 12).
 Make sure the input source is selected
correctly. You should try other input
sources by pressing the input select
button on the remote control (TV/
HDMI1/HDMI2/ANALOG/USB/
BLUETOOTH).
 Make sure that the connectors are
firmly inserted.
 When you play content compatible
with copyright protection technology
(HDCP), sound may not be output
from the speaker system.
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 Change the setting of
[Advanced Settings] - [HDMI Settings]
- [HDMI Signal Format] - [HDMI IN 1]/
[HDMI IN 2]. For details, refer to Help
Guide.
The surround effect cannot be
obtained.
 Depending on the input signal and
the sound mode setting, surround
sound processing may not work
effectively. The surround effect may
be subtle, depending on the program
or disc.
 To play multi-channel audio, check
the digital audio output setting on the
device connected to the speaker
system. For details, refer to the
operating instructions of the
connected device.
No sound is output from the
optional rear speakers/subwoofer.
 It may be improved by setting
[Setup] - [Advanced Settings] -
[Speaker Settings] - [Wireless Speaker
Settings] - [Wireless Playback Quality]
to [Connection].
 Refer to the operating instructions of
the optional rear speakers/
subwoofer.
Sound is not output from some
speakers.
 Some speakers may not output sound
depending on the contents or sound
mode.
Sound Field Optimization
Sound Field Optimization failed.
 When using the optional rear
speakers, install them upright so that
the labels on the bottom of the
speakers are directed downwards.
 Perform Sound Field Optimization
again in a situation where the
surrounding is quiet.
 If the distance between the bar
speaker and optional rear speakers/
[Setup] -