Bedienungsanleitung NAD T 775 (Seite 12 von 46) (Englisch)

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13 +12 V TRIGGER OUT : There are three congurable +12V TRIGGER

OUTPUT. Use a 3.5mm mini-jack connector to pass +12 volts at a

maximum current of 50 milliamps to auxiliary equipment such as a

multichannel amplier or subwoofer. The center conductor (hot) of the

3.5mm jack is the control signal. The outside conductor (shield) is the

ground return-path.

TRIGGER IN accepts 12V Trigger output of compatible components

such as power controllers and home automation devices.

TRIGGER OFF/AUTO. When at AUTO position, the T 775 selects the 12V

Trigger Input to turn ON (if so assigned at the ‘Trigger Setup’ menu) and

at the same time disables the HTR 3 and front panel’s ON/OFF function.

When at OFF position, the trigger input is disabled.

WARNING

 IfAutoTriggerINatTriggerSetupmenuisassignedto‘Main’or‘All’and

theTRIGGERswitchissetto‘AUTO’mode,thestandbybuttoninthefront

panelaswellasthecorrespondingON/OFFfunctionkeysintheHTR3

remotecontrolwillbedisabledeectivelyhandingthisfunctiontoan

externalcontroller.SwitchTRIGGERto‘OFF’tomaintainnormalpower

ON/OFFfunctionprocedures.

See discussion on ‘Trigger Setup’ at the ‘Setup Menu’ literature for

guidelines on how to congure TRIGGER IN/OUT.

14 IR IN/OUT : 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.

IR IN. This input is connected to the output of an IR (infrared) repeater

(Xantech or similar) or the IR output of another component to allow

control of the T 775 from a remote location.

IR OUT 2. When connected to the IR IN of an ancillary equipment,

direct the ancillary equipment’s own remote control to the T 775’s

infrared receiver to command or control the linked unit.

IR IN and IR OUT 3. Connect the T 775’s IR IN to the IR OUT of an

ancillary equipment. Connect also the T 775’s IR OUT 3 to another

equipment with IR IN feature. With this setup, the T 775 acts as an “IR-

repeater” allowing the equipment connected to the T 775’ s IR IN control

or command of the other equipment linked to the T 775’s IR OUT 3.

IR OUT 1. In conjunction with IR IN, IR OUT 1 can be used as an “IR-

repeater” just like the IR OUT 3 as described above. It can also stand

alone as an IR OUT similar to that of IR OUT 2 function.

All NAD products with IR IN/IR OUT features are fully compatible with

the T 775. For non-NAD models, please check with your other product’s

service specialists as to their compatibility to the T 775’s IR features.

15 ZONE 2, ZONE 3, ZONE 4 : Sends zone selected audio and video

output sources to the corresponding audio and video input of another

separate zone. Use high quality patch cables to reduce noise pickup

over long distance runs. For a better understanding of zone settings,

study below the section on ‘Zone Controls’ of the ‘Main Menu’ discussion

as well as the item on ‘Zone Setup’ under the ‘Setup Menu’ literatures.

NOTE

 TheZR4remotecontrolwillonlycontrolZone2applications.Zone3

andZone4couldbeconguredandmanagedattheappropriateZone

OSDmenuusingthefrontpanelnavigationsbuttonsaswellasthe

correspondingkeysontheHTR3remotecontrol.

16 AUDIO PRE-OUT : The Audio PRE- OUT makes it possible to use the

T 775 as a pre-amplier to external power ampliers 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 amplier or

ampliers driving the corresponding applicable speakers.

Unlike the full range channels, there is no power amplier built-into the

T 775 for a subwoofer. Connect the SUBW 1 or SUBW 2 output or both

to powered (“active”) subwoofers or to power amplier channels driving

a passive system.

NOTE

 NeverconnectboththeexternalamplierandT775’sspeakeroutputsto

thesamesetofspeakers.

17 SPEAKERS A, SPEAKERS B : Connect the respective SPEAKER A’s

FRONT L, FRONT R, CENTER, SURR R, SURR L, SURR-BL and SURR-BR

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.

Connect left and right channels of Speakers B to the corresponding

remote loudspeakers. When Speakers B is activated, the output is

converted to ‘Stereo Downmix’ as indicated in the VFD. Combining

Speaker A and Speaker B (SPEAKERS A + B) will also result to the source

being downmixed to stereo.

The T 775 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 4Ω minimum per speaker.

NOTE

 Usestrandedwireofatleast16gauge(AWG).ConnectionstotheT775

canbemadewithbananaplugs(120Vversiononly)orbyusingbare

wireorpins.Usethetransverseholethroughthepostforbare-wireor

pinconnections.Bylooseningtheterminal’splasticnut,makeaclean,

neatconnectionandre-tightencarefully.Tominimizethedanger

ofshort-circuit,ensurethatonly1/2-inchofexposedwireorpinis

employedwhenconnecting.

18 AC MAINS INPUT: The T 775 comes supplied with a separate AC Mains

cable. Before connecting the cable to a live wall socket, ensure that it is

rmly connected to the T 775’s AC Mains input socket rst. Connect only

to the prescribed AC Outlet, i.e., 120V 60 Hz (for 120V version models of

T 775 only) or 230V 50 Hz (for 230V version models T 775 only). Always

disconnect the AC Mains cable plug from the live wall socket rst, before

disconnecting the cable from the T 775 Mains input socket.

19 SWITCHED AC OUTLET : This convenience outlet can supply switched

power to another component or accessory. With the POWER switch at

the rear panel set to ON position, this outlet is powered ON or OFF by

the front panel STANDBY switch or by the HTR 3’s ON/OFF buttons.

The total draw of all devices connected to this jack must not exceed

120 watts.

20 POWER : The POWER switch supplies the master AC mains power for

the T 775. When this switch is at ON position, the T 775 is in standby

mode as shown by the amber status condition of the standby LED. If

you intend not to use the T 775 for long periods of time (such as when

on vacation), switch the POWER switch to the OFF position. When the

POWER switch is at OFF position, the front panel standby button, HTR 3

remote control or ZR 4 cannot activate the T 775.

IDENTIFICATION OF CONTROLS

REAR PANEL

ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

NAD T 775 Seite 12

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