Samsung HW-N400 User manual

HW-N400
USER MANUAL

ENG - ii
SAFETY INFORMATION
SAFETY WARNINGS
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE THE COVER (OR BACK).
NO USER-SERVICEABLE PARTS ARE INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
This symbol indicates that high voltage
is present inside. It is dangerous to
make any kind of contact with any
internal part of this product.
This symbol indicates that this product
has included important literature
concerning operation and maintenance.
Class II product : This symbol indicates
that it does not require a safety
connection to electrical earth (ground).
AC voltage : This symbol indicates that
the rated voltage marked with the
symbol is AC voltage.
DC voltage : This symbol indicates that
the rated voltage marked with the
symbol is DC voltage.
Caution, Consult instructions for use :
This symbol instructs the user to
consult the user manual for further
safety related information.
WARNING
•To reduce the risk of re or electric shock, do
not expose this appliance to rain or moisture.
•To prevent injury, this apparatus must be
securely attached to the oor/wall in
accordance with the installation instructions.
CAUTION
•Do not expose this apparatus to dripping or
splashing. Do not put objects lled with
liquids, such as vases, on the apparatus.
•To turn this apparatus off completely, you
must pull the power plug out of the wall
socket. Consequently, the power plug must
be easily and readily accessible at all times.
CAUTION (for Canada)
This equipment complies with Industry Canada
licence-exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this
device may not cause interference, and (2) this
device must accept any interference, including
interference that may cause undesired operation
of the device.
This device and its antenna(s) must not be co-
located or operation in conjunction with any other
antenna or transmitter.
This device may automatically discontinue
transmission if there is no information to
transmit, or an operational failure. Note that this
is not intended to prohibit the transmission of
control or signaling information or the use of
repetitive codes where required by the
technology.
This Class B digital apparatus complies with
Canadian ICES-003.

ENG - iii
Radiation Exposure Statement
This equipment complies with IC RSS-102
radiation exposure limits set forth for an
uncontrolled environment.
This equipment should be installed and operated
with minimum distance 20 cm between the
radiator & your body.
Important Safety Instructions
Read these operating instructions carefully
before using the unit. Follow all the safety
instructions listed below. Keep these operating
instructions handy for future reference.
1. Read these instructions.
2. Keep these Instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings.
Install in accordance with the manufacturer’s
instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including ampliers) that produce
heat.
9. Do not defeat the safety purpose of the
polarized or grounding-type plug.
A polarized plug has two blades with one
wider than the other. A grounding type plug
has two blades and a third grounding prong.
The wide blade or the third prong are
provided for your safety. If the provided plug
does not t into your outlet, consult an
electrician for replacement of the obsolete
outlet.
10.Protect the power cord from being walked
on or pinched particularly at plugs,
convenience receptacles, and the point
where they exit from the apparatus.
11. Only use attachments/accessories specied
by the manufacturer.
12. Use only with the cart, stand,
tripod, bracket, or table
specied by the manufacturer,
or sold with the apparatus.
When a cart is used, use caution when
moving the cart/apparatus combination to
avoid injury from tip-over.
13. Unplug this apparatus during lightning
storms or when unused for long periods of
time.
14. Refer all servicing to qualied service
personnel. Servicing is required when the
apparatus has been damaged in any way,
such as power-supply cord or plug is
damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does
not operate normally, or has been dropped.

ENG - iv
PRECAUTIONS
1. Ensure that the AC power supply in your
house complies with the power
requirements listed on the identication
sticker located on the bottom of your
product. Install your product horizontally, on
a suitable base (furniture), with enough
space around it for ventilation (3~4 inches).
Make sure the ventilation slots are not
covered. Do not place the unit on ampliers
or other equipment which may become hot.
This unit is designed for continuous use. To
fully turn off the unit, disconnect the AC plug
from the wall outlet. Unplug the unit if you
intend to leave it unused for a long period of
time.
2. During thunderstorms, disconnect the AC
plug from the wall outlet. Voltage peaks due
to lightning could damage the unit.
3. Do not expose the unit to direct sunlight or
other heat sources. This could lead to
overheating and cause the unit to
malfunction.
4. Protect the product from moisture (i.e.
vases), and excess heat (e.g. a replace) or
equipment creating strong magnetic or
electric elds. Unplug the power cable from
the AC wall socket if the unit malfunctions.
Your product is not intended for industrial
use. It is for personal use only. Condensation
may occur if your product has been stored in
cold temperatures. If transporting the unit
during the winter, wait approximately
2 hours until the unit has reached room
temperature before using.
5. The battery used with this product contains
chemicals that are harmful to the
environment. Do not dispose of the battery
in the general household trash. Do not
expose the battery to excess heat, direct
sunlight, or re. Do not short circuit,
disassemble, or overheat the battery.
Danger of explosion if the battery is replaced
incorrectly. Replace only with the same or
equivalent type.

ENG - v
ABOUT THIS MANUAL
The user manual has two parts: this simple paper USER MANUAL and a detailed FULL MANUAL you can
download.
USER MANUAL
See this manual for safety instructions, product installation,
components, connections, and product specications.
FULL MANUAL
You can access the Full Manual on Samsung’s on-line customer
support center by scanning the QR code. To see the manual on
your PC or mobile device, download the manual in document
format from Samsung’s website.
(http://www.samsung.com/support)
Design and specications are subject to change without prior notice.

ENG - vi
CONTENTS
01 Checking the Components 2
Inserting Batteries before using the Remote Control (AA batteries X 2) ------------------------- 2
02 Product Overview 3
Front Panel / Right Side Panel of the Soundbar ------------------------- 3
Bottom Panel of the Soundbar ------------------------- 3
03 Connecting the Soundbar 4
Connecting Electrical Power ------------------------- 4
04 Connecting to your TV 5
Method 1. Connecting with a Cable ------------------------- 5
– Connecting using an Optical Cable ------------------------- 5
– Connecting a TV using an HDMI Cable ------------------------- 6
Method 2. Connecting Wirelessly ------------------------- 7
– Connecting a TV via Bluetooth ------------------------- 7
05 Connecting an External Device 9
Connecting using an Optical or Analog Audio (AUX) Cable ------------------------- 9
Connecting using an HDMI Cable ------------------------- 10
06 Connecting a USB 11
Software Update ------------------------- 11

ENG - vii
07 Connecting a Mobile Device 12
Connecting via Bluetooth ------------------------- 12
08 Using the Remote Control 13
How to Use the Remote Control ------------------------- 13
Adjusting the Soundbar volume with a TV remote control ------------------------- 15
09 Installing the Wall Mount 16
Installation Precautions ------------------------- 16
Wallmount Components ------------------------- 16
10 Troubleshooting 19
11 License 20
12 Open Source License Notice 20
13 Important Notes About Service 20
14 SpecicationsandGuide 21
Specications ------------------------- 21

ENG - 2
01 CHECKING THE COMPONENTS
VOL BASS
SOUNDBAR
SOUND
MODE
PAIR
Soundbar Main Unit Remote Control / Batteries
1 2
AC/DC Adapter (Main Unit) Power Cord (AC/DC Adapter) Optical Cable
•For more information about the power supply and power consumption, refer to the label attached
to the product. (Label : Bottom of the Soundbar Main Unit)
•The power components are labelled (1, 2). For more information about power connections, see
page 4.
•For Soundbar wall mounting components, see page 16.
•The Micro USB to USB adapter and HDMI cables are sold separately. To purchase, contact a
Samsung Service Center or Samsung Customer Care.
Inserting Batteries before using the Remote Control (AA batteries X 2)
Slide the battery cover in the direction of the arrow until it is completely removed. Insert 2 AA batteries
(1.5V) oriented so that their polarity is correct. Slide the battery cover back into position.

ENG - 3
02 PRODUCT OVERVIEW
Front Panel / Right Side Panel of the Soundbar
Display
Volume
Power
Position the product so
that the SAMSUNG logo
is located on the top.
󱂓
Right Side of the Soundbar
Bottom Panel of the Soundbar
HDMI OUT
(TV-ARC)
DC 24V
USB (5V 0.5A)
AUX IN HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
USB (5V 0.5A)
AUX IN
DC 24V
HDMI OUT
(TV-ARC)
HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
󱂕
󱂖
󱂗
󱂘
󱂙
󱂔
󱂓Source
Selects the source input mode. (D.IN / AUX / HDMI / BT / USB)
•To turn on “BT PAIRING” mode, change the source to “BT” mode, and then press and
hold the (Source) button for more than 5 seconds.
󱂔DC 24V Connect the AC/DC power adapter. (Power Supply In)
󱂕AUX Connect to the Analog output of an external device.
󱂖USB Connect a USB device here to play music les on the USB device through the Soundbar.
󱂗HDMI OUT Connect to the HDMI (ARC) jack on a TV.
󱂘HDMI IN Inputs digital video and audio signals simultaneously using an HDMI cable.
Connect to the HDMI output of an external device.
󱂙D.IN Connect to the digital (optical) output of an external device.

ENG - 4
03 CONNECTING THE SOUNDBAR
Connecting Electrical Power
Use the power components (1, 2) to connect the Soundbar to an electrical outlet in the following order:
1 Connect the power output cable to the power adapter, and then to the Soundbar.
2 Connect the power cord to a wall socket.
See the illustrations below.
•For more information about the required electrical power and power consumption, refer to the
label attached to the product. (Label : Bottom of the Soundbar Main Unit)
HDMI OUT
(TV-ARC)
DC 24V
USB (5V 0.5A)
AUX IN HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
DC 24V
Bottom of the
Soundbar Main Unit
1 AC/DC Adapter
2Power Cord
Connecting
Electrical Power
•Make sure to rest the AC/DC Adapter at
on a table or the oor. If you place the
AC/DC Adapter so that it is hanging with
the AC cord input facing upwards, water
or other foreign substances could enter
the Adapter and cause the Adapter to
malfunction.
Expand to true wireless surround sound by connecting the Samsung Wireless Rear Speaker
Kit (SWA-8500S) to your Soundbar (Sold separately). For more information, see the
Samsung Wireless Rear Speaker Kit manual.

ENG - 5
04 CONNECTING TO YOUR TV
Hear TV sound from your Soundbar through wired or wireless connections.
•When the Soundbar is connected to selected Samsung TVs, the Soundbar can be controlled using
the TV’s remote control.
– When you connect using an optical cable, this feature is supported by 2017 Samsung Smart TVs
that support Bluetooth.
– This function also allows you to use the TV menu to adjust the sound eld and various settings
as well as the volume and mute.
Method 1. Connecting with a Cable
When the audio in a broadcast is encoded in Dolby Digital and the “Digital Output Audio Format” on
your TV is set to PCM, we recommend that you change the setting to Dolby Digital. When the setting on
the TV is changed, you will experience better sound quality. (The TV menu may differ depending on the
TV manufacturer.)
Connecting using an Optical Cable
HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
OPTICAL OUT
Optical Cable
Bottom of the Soundbar
D.IN
󱂓
Right Side of the Soundbar
1. Connect the DIGITAL AUDIO IN (OPTICAL) jack on the Soundbar to the OPTICAL OUT jack of the TV
with a digital optical cable.
2. Press the (Source) button on the right side panel or remote control, and then select the “D.IN”
mode.
󱂔

ENG - 6
Auto Power Link
Auto Power Link automatically turns on the Soundbar when the TV is turned on.
1. Connect the Soundbar and a TV with a digital optical cable.
2. Press the Left button on the remote control for 5 seconds to turn Auto Power
Link on or off.
•Auto Power Link is set to ON by default.
(To turn off this function, turn off Auto Power on the Soundbar.)
•Depending on the connected device, Auto Power Link may not function.
•This function is only available in the “D.IN” mode.
Connecting a TV using an HDMI Cable
Connect to the HDMI IN
(ARC) port of your TV.
HDMI OUT
(TV-ARC)
HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
HDMI IN
(ARC) HDMI Cable
(not supplied)
Bottom of the Soundbar
󱂓
TV ARC
󱂔
Connect to the HDMI OUT (TV-ARC)
port of the Soundbar main unit.
1. With the Soundbar and TV turned on, connect the HDMI cable (not supplied) as shown in the gure.
2. “TV ARC” appears in the display window of the Soundbar main unit and the Soundbar plays TV
sound.
•If TV sound is inaudible, press the (Source) button on the remote control or on the right side
of the Soundbar to switch to “D.IN” mode. The screen displays “D.IN” and “TV ARC” in sequence,
and TV sound is played.
Right Side of the Soundbar

ENG - 7
•If “TV ARC” does not appear in the display window of the Soundbar main unit, conrm that the
cable is connected to the correct port.
•Use the volume buttons on the TV’s remote control to change the volume on the Soundbar.
Method 2. Connecting Wirelessly
Connecting a TV via Bluetooth
When a TV is connected using Bluetooth, you can hear stereo sound without the hassle of cabling.
•Only one TV can be connected at a time.
The initial connection
1. Press the (Source) button on the right side panel or on the remote control, and then select
“BT”.
2. Change “BT” to “BT PAIRING”.
•When “BT READY” appears, press the PAIR button on the remote control or press and hold
the (Source) button on the right side panel of the Soundbar for more than 5 seconds to
display “BT PAIRING”.
3. Select Bluetooth mode on the TV. (For more information, see the TV’s manual.)
4. Select “[AV] Samsung Soundbar Nxxx N-Series” from the list on TV’s screen.
An available Soundbar is indicated with “Need Pairing” or “Paired” on the TV Bluetooth device list.
To connect the TV to the Soundbar, select the message, and then establish a connection.
•When the TV is connected, [TV Name] → “BT” appears on the Soundbar’s front display.
5. You can now hear TV sound from the Soundbar.
NOTE
•After you have connected the Soundbar to your TV the rst time, use the “BT READY” mode to
reconnect. See Page 8 for details.
If the device fails to connect
•If the previously connected Soundbar listing (e.g. “[AV] Samsung Soundbar Nxxx N-Series”)
appears in the list, delete it.
•Press the PAIR button on the remote control or in “BT” mode, press and hold the (Source)
button for more than 5 seconds on the right side of the Soundbar to switch to “BT PAIRING” mode.
Then, select “[AV] Samsung Soundbar Nxxx N-Series” from the TV’s search list.

ENG - 8
What is the difference between BT READY and BT PAIRING?
•BT READY : In this mode, you can search for previously connected TVs or connect a previously
connected mobile device to the Soundbar.
•BT PAIRING : In this mode, you can connect a new device to the Soundbar. (Press the PAIR button
on the remote control or press and hold the (Source) button for more than 5 seconds on the
right side of the Soundbar while in “BT” mode.)
NOTES
•If asked for a PIN code when connecting a Bluetooth device, enter <0000>.
•In Bluetooth connection mode, the Bluetooth connection will be lost if the distance between the
Soundbar and the Bluetooth device exceeds 32.8 ft.
•The Soundbar automatically turns off after 5 minutes in the Ready state.
•The Soundbar may not perform Bluetooth search or connection correctly under the following
circumstances:
– If there is a strong electrical eld around the Soundbar.
– If several Bluetooth devices are simultaneously paired with the Soundbar.
– If the Bluetooth device is turned off, not in place, or malfunctions.
•Electronic devices may cause radio interference. Devices that generate electromagnetic waves
must be kept away from the Soundbar main unit - e.g., microwaves, wireless LAN devices, etc.
Disconnecting the Soundbar from the TV
Press the (Source) button on the right side panel or on the remote control and switch to any mode
but “BT”.
•Disconnecting takes time because the TV must receive a response from the Soundbar.
(The time required may differ, depending on the TV model.)
•To cancel the automatic Bluetooth connection between the Soundbar and TV, press the
p(Play/Pause) button on the remote control for 5 seconds in “BT READY” status. (Toggle On → Off)

ENG - 9
05 CONNECTING AN EXTERNAL DEVICE
Connect to an external device via a wired or wireless network to play the external device’s sound
through the Soundbar.
Connecting using an Optical or Analog Audio (AUX) Cable
HDMI OUT
(TV-ARC)
DC 24V
USB (5V 0.5A)
AUX IN
HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
OPTICAL OUT
- AUDIO -
R L
Bottom of the Soundbar
Optical Cable
󱂔
Audio (AUX) Cable
(not supplied)
󱂓
BD / DVD player / Set-top box /
Game console
1 Audio (AUX) Cable
XConnect AUX IN (Audio) on the main unit to the AUDIO OUT jack of the Source Device using an
audio cable.
YSelect “AUX” mode by pressing (Source) button on the right side panel or on the remote
control.
2 Optical Cable
XConnect DIGITAL AUDIO IN (OPTICAL) on the main unit to the OPTICAL OUT jack of the Source
Device using a digital optical cable.
YSelect “D.IN” mode by pressing the (Source) button on the right side panel or on the remote
control.
Right Side of the Soundbar

ENG - 10
Connecting using an HDMI Cable
HDMI OUT
(TV-ARC)
HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
HDMI IN
(ARC)
HDMI OUT
HDMI Cable
(not supplied)
HDMI Cable (not supplied)
Bottom of the Soundbar
HDMI
󱂓
󱂔
󱂖
External Device
Right Side of the Soundbar
󱂕
1. Connect an HDMI cable (not supplied) from the HDMI OUT (TV-ARC) jack on the back of the
product to the HDMI IN jack on your TV.
2. Connect an HDMI cable (not supplied) from the HDMI IN jack on the back of the product to the
HDMI OUT jack on your digital device.
3. Press the (Source) button on the right side panel or on the remote control, and then select
“HDMI”.
4. “HDMI” mode is displayed on the Soundbardisplay panel and sound plays.

ENG - 11
06 CONNECTING A USB
You can play music les located on USB storage devices through the Soundbar.
HDMI OUT
(TV-ARC)
DC 24V
USB (5V 0.5A)
AUX IN HDMI IN
DIGITAL AUDIO IN
(OPTICAL)
USB (5V 0.5A)
Micro USB to
USB adapter Cable
(not supplied)
USB
Display
USB port
1. Connect a Micro USB to USB adapter cable with a male USB 2.0 Micro USB plug (Type B) on one
end and a standard female 2.0 USB jack (Type A) on the other end to the micro USB jack on your
Soundbar.
•The Micro USB to USB adapter cable is sold separately. To purchase, contact a Samsung Service
Center or Samsung Customer Care.
2. Connect your USB device to the female end of the adapter cable.
3. Press the (Source) button on the right side panel or on the remote control, and then select
“USB”.
4. “USB” appears in the display screen.
5. Play music les from the USB storage device through the Soundbar.
•The Soundbar automatically turns off (Auto Power Off) if no USB device has been connected for
more than 5 minutes.
Software Update
SamsungmayofferupdatesfortheSoundbar’ssystemrmwareinthefuture.
If an update is offered, you can update the rmware by connecting a USB device with the rmware
update stored on it to the USB port on your Soundbar. For more information about how to download
update les, go to the Samsung Electronics website at (www.samsung.com  Support).
Then, enter or select the model number of your Soundbar, select the Software & Apps option, and then
Downloads. Note that the option names can vary.

ENG - 12
07 CONNECTING A MOBILE DEVICE
Connecting via Bluetooth
When a mobile device is connected using Bluetooth, you can hear stereo sound without the hassle of
cabling.
•You cannot connect more than one Bluetooth device at a time.
Bluetooth device
The initial connection
1. Press the (Source) button on the right side panel or on the remote control, and then select
“BT”.
2. Change “BT” to “BT PAIRING”.
•When “BT READY” appears, press the PAIR button on the remote control or press and hold
the (Source) button on the right side panel of the Soundbar for more than 5 seconds to
display “BT PAIRING”.
3. Select “[AV] Samsung Soundbar Nxxx N-Series” from the list that appears.
•When the Soundbar is connected to the Bluetooth device, [Bluetooth Device Name] → “BT”
appears in the front display.
4. Play music les from the device, connected via Bluetooth, through the Soundbar.
NOTE
•After you have connected the Soundbar to your mobile device the rst time, use the “BT READY”
mode to reconnect. See Page 8 for details.
If the device fails to connect
•If a previously connected Soundbar listing (e.g. “[AV] Samsung Soundbar Nxxx N-Series”) appears
in the list, delete it.
•Press the PAIR button on the remote control or in “BT” mode, press and hold the (Source)
button for more than 5 seconds on the right side of the Soundbar to switch to “BT PAIRING” mode.
Then, select “[AV] Samsung Soundbar Nxxx N-Series” from the Bluetooth device search list.
For more information about Bluetooth connections, refer to “Connecting a TV via
Bluetooth” on pages 7~8.

ENG - 13
08 USING THE REMOTE CONTROL
How to Use the Remote Control
VOL BASS
SOUNDBAR
SOUND
MODE
PAIR
󱂓
󱂔
󱂕
󱂖
󱂗
󱂙
󱂘
󱂚
󱂜
󱂛
󱂓
Power
VOL BASS
SOUND
MODE
PAIR
Turns the Soundbar on and off.
󱂔
VOL BASS
SOUND
MODE
PAIR
Source
Press to select a source connected to the
Soundbar.
󱂕
Mute
VOL BASS
SOUND
MODE
PAIR
Press the (Mute) button to mute the sound.
Press it again to unmute the sound.
󱂖
SOUND MODE
VOL BASS
SOUND
MODE
PAIR
You can select the desired sound effect by
choosing STANDARD or SURROUND.
•DRC (Dynamic Range Control)
Lets you apply dynamic range control to
Dolby Digital tracks. If you press and hold the
SOUND MODE button while in standby
mode, DRC (Dynamic Range Control) turns
on or off. With the DRC turned on, loud sound
is reduced. (The sound may be distorted.)
•Bluetooth Power
This feature automatically turns Soundbar on
when receiving a connection request from a
previously connected TV or Bluetooth device.
The setting is On by default.
– Press and hold the SOUND MODE
button for more than 5 seconds to turn
off Bluetooth Power function.
󱂗
VOL BASS
SOUND
MODE
PAIR
Bluetooth
PAIR
Press the PAIR button. “BT PAIRING” appears in the Soundbar’s display.
You can connect to a new Bluetooth device in this mode by selecting the device from the
Bluetooth device search list.

ENG - 14
󱂘
Play / Pause
VOL BASS
SOUND
MODE
PAIR
Press the p button to pause a music le temporarily.
When you press the button again, the music le plays.
󱂙
VOL BASS
SOUND
MODE
PAIR
Up/Down/
Left/Right
Press the indicated areas to select Up/Down/Left/Right.
Press Up/Down/Left/Right on the button to select or set functions.
•Repeat
To use the Repeat function in “USB” mode, press the Up button.
•Music Skip
Press the Right button to select the next music le. Press the Left button to select the
previous music le.
•Anynet+ / Auto Power Link
You can turn Anynet+ and Auto Power Link on or off.
Anynet+ and Auto Power Link are controlled by the Right and Left buttons
respectively.
– Anynet+ : If the Soundbar is connected to a Samsung TV through an HDMI cable,
you can control your Soundbar with a Samsung TV remote control.
Press and hold the Right button for 5 seconds to toggle Anynet+ ON and OFF.
– Auto Power Link : If the Soundbar is connected to your TV through a digital optical
cable, the Soundbar can automatically turn on when you turn on your TV. Press
and hold the Left button for 5 seconds to toggle Auto Power Link ON and OFF.
– Anynet+ / Auto Power Link are set to ON by default.
󱂚
Sound Control
VOL BASS
SOUND
MODE
PAIR
You can select from TREBLE, AUDIO SYNC , REAR LEVEL,or REAR SPEAKER ON/OFF .
•To adjust the TREBLE volume, select Sound Control TREBLE, and then use the
Up/Down buttons to adjust the volume within the -6 to +6 range.
•If the video and audio between the TV and your Soundbar are not synchronized, select
AUDIO SYNC in Sound Settings, and then set audio delay between 0~300 milliseconds
by using the Up/Down buttons. (Except “USB” mode)
•If surround speakers (not supplied) are connected, select REAR LEVEL and use the Up/
Down buttons to adjust the volume within the -6 to +6 range.
The REAR SPEAKER function can be turned ON/OFF by using the Up/Down buttons.
•AUDIO SYNC is only supported in some functions.