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ENGLISH
8
7 AUDIO PRE-OUT (FRONT L, FRONT R, CENTER, SURR R, SURR L,
SURR-BL, SURR-BR, SUBW1, SUBW2)
• AUDIO PRE- OUT makes it possible to use the T 778 as a preamplier
to external power ampliers for some or all channels.
• Connect FRONT L, FRONT R, CENTER, SURR R, SURR L, SURR-BL and
SURR-BR to the respective channel input of a power amplier or
ampliers driving the corresponding applicable speakers.
• Connect SUBW1 (and/or SUBW2) output to powered (“active”)
subwoofers or to power amplier channels driving a passive system.
• Unlike the full range channels, there is no power amplier built-into
the T 778 for a subwoofer.
8 GROUND TERMINAL
• Use this ground terminal to connect to ground a phono or
turntable source for PHONO input.
• Unscrew the terminal and insert into the hole the single wire earth
lead that is normally included with turntables. Tighten the terminal
to secure the lead.
9 +12V TRIGGER OUT
• The T 778 has three +12V TRIGGER OUT ports (OUT 1, OUT2 and
OUT3) that can be congured to supply +12V DC to a linked
component or system. See discussion on “Trigger Setup” at the
“Setup Menu” literature for guidelines on how to congure +12V
TRIGGER IN/OUT.
• Use a 3.5mm mini-jack connector to pass +12 volts at a maximum
current of 50 milliamps to auxiliary equipment such as multichannel
amplier or subwoofer. The center conductor (hot) of the 3.5mm
jack is the control signal. The outside conductor (shield) is the
ground return-path.
• This output will be 12V when the T 778 is ON and 0V when the unit
is either OFF or in standby mode.
+12V TRIGGER IN
• With this input triggered by a 12V DC supply, the T 778 can be
switched ON remotely from standby mode by compatible devices
such as ampliers, preampliers, receivers, etc. If the 12V DC supply
is cut o, the T 778 will return to standby mode.
• Connect this +12V Trigger input to the remote device’s
corresponding +12V DC output jack using a mono cable with
3.5mm male plug. The controlling device must be equipped with a
+12V trigger output to use this feature.
10 RS 232
• NAD is an integration partner with several smart control and
automation systems like Control4, Crestron, LUTRON among others.
Check out NAD website for a list of NAD’s integration partners. See
your NAD audio specialist for more information.
• Connect this interface using RS-232 serial cable (not supplied) to
any Windows compatible PC to allow remote control of T 778 via
compatible external controllers.
• Refer to NAD website for information about RS232 Protocol
documents and PC interface program.
• Use this port also for rmware upgrade. Instructions on how to use
this port for rmware upgrade is included in the rmware upgrade
(if any) procedure available from the NAD website.
11 IR IN/IR OUT 1-3
• These mini-jacks accept and output remote-controlled codes in
electrical format, using industry-standard protocols, for use with
“IR-repeater” and multi-room systems and related technologies.
• All NAD products with IR IN/IR OUT features are fully compatible
with T 778.
IR IN
• This input is connected to the output of an IR (infrared) repeater
(Xantech or similar) or the IR output of another compatible device
to allow control of the T 778 from a remote location.
IR OUT 1, IR OUT 2
• Connect IR OUT 1 (and/or IR OUT 2) to the IR IN jack of a compatible
device.
• Command and control the linked compatible device by directing its
own remote control to T 778’s infrared receiver.
IR IN and IR OUT 1, IR OUT 2, IR OUT 3
• Connect the T 778’s IR IN to the IR OUT of a compatible device.
Connect also the T 778’s IR OUT 1 (and/or IR OUT 2, IR OUT 3) to the
IR IN of a compatible device.
• With this setup, the T 778 acts as an “IR-repeater” allowing the
device connected to the T 778’ s IR IN control or command of the
other device linked to T 778’s IR OUT 1 (and/or IR OUT 2, IR OUT 3).
IR OUT 3
• IR OUT 3 can only function as an “IR-repeater” as described above.
12 SPEAKERS
• Connect SPEAKER’s FRONT L, FRONT R, CENTER, SURR R, SURR L,
SURR-BL, SURR-BR, HT 1R and HT 1L channels to their corresponding
loudspeakers. Make sure the “+” (red) terminal and “-”(black) terminal
are connected to the corresponding “+” and “-”terminals of the
loudspeaker. Use extra care to ensure that no stray wires or strands
cross between posts or terminals at either end.
• The T 778 is designed to produce optimum sound quality when
connected to speakers with impedances within its operating range.
Please make sure that all the speakers are rated 4 ohms minimum
per speaker.
13 AC MAINS INPUT
• The T 778 comes supplied with two separate mains power cords.
Select the mains power cord appropriate for your region.
• Before connecting the power cord’s plug to the mains power outlet,
ensure that the other end of the power cord is rmly connected to
T 778’s AC Mains input socket.
• Always unplug the power cord from the mains power outlet before
disconnecting the other end of the power cord from T 778’s AC
Mains input socket.
14 POWER
• The POWER switch controls the supply of AC mains power to T 778.
• When the POWER switch is set to ON position, the T 778 goes to
standby mode as shown by the amber status condition of the
Standby LED. Press the front panel Standby button or HTR 8 remote
control’s [ON] button to switch ON the T 778 from standby mode.
• If you intend not to use the T 778 for long periods of time (such as
when on vacation), switch o the POWER switch.
• With POWER switched o, neither the front panel Standby button
nor HTR 8 remote control’s [ON] button can activate the T 778.
IDENTIFICATION OF CONTROLS
REAR PANEL
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