Rear Panel; Display - Onkyo TX-NR646 Basic Manual

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H
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Rear Panel

RI REMOTE CONTROL jack: An Onkyo product with RI
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jack can be connected and synchronized with this unit.
TUNER AM/FM (75Ω) terminal: The supplied antennas
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are connected.
USB port: A USB storage device is connected so that
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music files stored in it can be played. USB devices can
be supplied with power when connected with a USB
cable.
COMPONENT VIDEO IN jack: Component video input
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jack
ETHERNET port: Used for LAN connection
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COMPOSITE VIDEO IN jacks: Analog video signals are
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input.
HDMI IN/OUT jacks: Digital video signals and audio
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signals are transmitted between the unit and the
connected devices.
Wireless antenna: Used for Wi-
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Fi connection or when using a
Bluetooth-enabled device. Adjust
their angles according to the
connection status.
En-4
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J K
SPEAKERS terminals: Speakers are connected. To
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use the Multi-zone function, connect the speakers in the
separate room to the ZONE2 speaker terminals.
Power cord (North American, European, Australian
F
and Asian models)
AC INLET (Taiwanese models): The supplied power
cord is connected.
DIGITAL IN COAXIAL/OPTICAL jacks: Digital audio
G
signals are input.
GND terminal: The ground wire of the turntable is
H
connected.
COMPOSITE AUDIO IN jacks: Analog audio signals are
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input.
LINE OUT ZONE 2 jack: Audio output jack connected
J
to the pre-main amplifier for multi-zone playback in a
separate room.
PRE OUT SUBWOOFER jack: A subwoofer with built-in
K
90°
180°
amplifier is connected.
90°
180°
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F
(Taiwanese models)
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Display

Lights in the following conditions. "Z2": Zone 2 output
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is on. / "HDMI": HDMI signals are input and HDMI
input selector is selected. / "ARC": Audio signals are
input from ARC compatible TV and TV input selector
is selected. / "3D": Input signals are 3D. / "USB" ():
"NET" input is selected and USB storage device is
connected. / "NET" (): "NET" input is selected and
the unit is connected to the network. / "DIGITAL":
Digital signals are input and the digital input selector is
selected. / Cursor indicators: NET or USB is controlled.
 "USB" and "NET" will flash if the connection is not correct.
¼
Stays lit when headphones are connected.
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Lights when NET or USB is controlled.
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Lights according to the type of input digital signals and
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the listening mode.
Stays lit when Music Optimizer is enabled.
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Lights in the following conditions. "AUTO": Tuning mode
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is auto. / "TUNED": Receiving AM/FM radio. 
flashes while tuning is automatically performed. / "FM
STEREO": Receiving FM stereo. / "RDS" (European,
Australian and Asian models): Receiving RDS
broadcasting.
"MUTING": Flashes when muting is on.
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Lights in the following conditions. "SLEEP": Sleep timer
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has been set. / "ASb" (Auto Standby): Auto Standby
is on. / "ch": Channel is being set. / "Hz": Crossover
frequencies are being set. / "m/ft": Speaker distances
are being set. / "dB": Speaker volume is being set.
Displays various information of the input signals.
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Pressing DISPLAY displays the type of input digital
signals and the listening mode.
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