Sony HT-NT3 Operating Instructions Manual page 23

 [Audio DRC]
You can compress the dynamic range of
the sound track.
[Auto]: Automatically compresses
sound encoded in Dolby TrueHD.
[On]: The system reproduces the sound
track with the kind of dynamic range
that the recording engineer intended.
[Off]: No compression of dynamic
range.
 [Attenuation settings - Analog]
Distortion may occur when you listen to
a device connected to the ANALOG IN
jack. You can prevent distortion by
attenuating the input level on the
system.
[On]: Attenuates the input level. The
output level will decrease at this setting.
[Off]: Normal input level. Select this
when connecting to a portable device
(such as digital media player).
 [Audio Output]
You can select the output method
where the audio signal is output.
[Speaker]: Outputs sound from the
system's speakers only.
[Speaker + HDMI]: Outputs sound from
the system's speakers and 2-channel
linear PCM signals from the HDMI OUT
(ARC) jack.
[HDMI]: Outputs sound from the HDMI
OUT (ARC) jack only. Sound format
depends on the connected device.
Note

When [Control for HDMI] is set to [On]
(page 25), [Audio Output] is set to
[Speaker + HDMI] automatically and this
setting cannot be changed.

Audio signals are not output from the
HDMI OUT (ARC) jack when [Audio
Output] is set to [Speaker + HDMI] and
[HDMI1 Audio Input Mode] (page 25) is set
to [TV]. (Europe models only)
[Bluetooth Settings]
 [Bluetooth Mode]
You can enjoy contents from remote
device by using this system or listen to
sound from this system by using other
device such as headphones.
[Receiver]: This system is in receiver
mode which enables it to receive and
output audio from the remote device.
[Transmitter]: This system is in
transmitter mode which enables it to
send audio to the BLUETOOTH receiver
(such as headphones). If you switch the
input of the system, "BT TX" appears in
the front panel display.
[Off]: The BLUETOOTH power is turned
off and you cannot select the [Bluetooth
Audio] input.
Note
You can connect to a remote device by
using One-touch listening function even
though you have set [Bluetooth Mode] to
[Off].
 [Device List]
Display a list of paired and detected
BLUETOOTH receivers when [Bluetooth
Mode] is set to [Transmitter] (page 23).
 [Bluetooth Standby]
You can set the [Bluetooth Standby] so
that the system can be turned on by a
BLUETOOTH device even when the
system is in standby mode. This
function is only available when you set
[Bluetooth Mode] to [Receiver] or
[Transmitter].
[On]: The system turns on automatically
when you establish a BLUETOOTH
connection from a paired BLUETOOTH
device.
[Off]: Off.
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