NAD T 747 Owner's Manual
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NAD T 747 Owner's Manual

Av surround sound receiver
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T 747
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AV Surround Sound Receiver
Owner's Manual

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barry
March 23, 2025

optical input

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1 comments:
Mr. Anderson
March 23, 2025

The NAD T 747 has a DIGITAL AUDIO OUT (OPTICAL, COAXIAL) port that connects to the corresponding S/PDIF digital input of compatible devices such as CD recorders, receivers, computer sound cards, or other digital processors. It supports digital audio output formats but does not specify detailed optical input specifications in the provided information.

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Summary of Contents for NAD T 747

  • Page 1 T 747 ® AV Surround Sound Receiver Owner’s Manual...

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS NOTE TO CATV SYSTEM INSTALLER THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL, WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE USER This reminder is provided to call the CATV system installer’ s attention to Section TO THE PRESENCE OF UNINSULATED “DANGEROUS VOLTAGE” 820-40 of the NEC which provides guidelines for proper grounding and, in WITHIN THE PRODUCT’S ENCLOSURE THAT MAYBE OF particular, specifies that the cable ground shall be connected to the grounding...
  • Page 3 Serial no.: ........NAD is a trademark of NAD Electronics International, a division of Lenbrook Industries Limited...

  • Page 4: Table Of Contents

    MENU OPTIONS ..........38 ABOUT FIRST TIME SETUP OF NAD T 747 ......23 CONTROL FEATURES .

  • Page 5: Introduction

    T 747 within a cabinet or other furniture, consult setting and combinations, please refer to the item about “SOURCE SETUP” in the your NAD audio/video specialist for advice on providing adequate airflow. “USING THE T 747 - SETUP MENU” segment of the “OPERATION” section.

  • Page 6: Identification Of Controls

    IDENTIFICATION OF CONTROLS FRONT PANEL 1 POWER BUTTON: Press this button to switch ON the T 747. The Standby 7 REMOTE SENSOR: Point the AVR 3 remote control at the remote sensor LED indicator will turn from amber to blue and illuminate the VFD. Pressing and press the buttons.
  • Page 7 IDENTIFICATION OF CONTROLS FRONT PANEL 10 PHONES: Accepts stereo headphone using a standard 1/4-inch stereo phone plug (use a suitable adapter for headphones equipped with a smaller plug). Plugging in headphones automatically mutes output from all channels. With headphone listening, toggle front panel’ s LISTENING MODE button (or AVR 3’...

  • Page 8: Rear Panel

    IDENTIFICATION OF CONTROLS REAR PANEL ATTENTION! Please make sure that the T 747 is powered off or unplugged before making any connections. It is also advisable to power down or unplug all associated components while making or breaking any signal or AC power connections. 1 DIGITAL AUDIO IN/OUT (COAXIAL 1-2, OPTICAL 1-2): Connect to 5 zONE 2: Sends zone selected video output source to the the corresponding optical or coaxial S/PDIF-format digital output of...
  • Page 9 15 MP DOCK: The T 747 is equipped with a data port in the rear panel sound and lowest background noise. Fix the antenna in the desired where an optional NAD IPD (NAD IPD Dock for iPod) 1, NAD IPD 2 and position by using thumb tacks, push pins or any suitable means.
  • Page 10 IDENTIFICATION OF CONTROLS REAR PANEL 18 zONE OUT - FIX, VAR: Connect both FIX and VAR ZONE OUT to the corresponding audio input of an external integrated amplifier, preamplifier or receiver. FIX: When FIX is the selected ZONE 2 audio output port, the ZONE 2 volume level can only be varied by using the VOLUME control of the external amplifier or receiver it is connected to.

  • Page 11: Remote Control

    USING THE AVR 3 REMOTE CONTROL The AVR 3 remote control handset handles the key functions of the T 747 as well as other NAD Stereo Receivers, Integrated Amplifiers and Preamplifiers. It has additional controls to remotely operate NAD CD Players, AM/FM Tuners and dedicated AM/FM/DAB Tuners.
  • Page 12 ] button to increase or decrease the loudness level. Release the button when the desired level is reached. The VFD on the front panel will indicate the level set. For NAD Receivers, the VFD will also show “Volume Up” or “Volume Down” or “Volume: _ _ dB” (_ _ indicates the numerical dB level) while pressing AVR 3’s .
  • Page 13 NAD Receiver or Tuner for control button compatibility. You can also load the applicable NAD code library to this device so that it can be made compatible with your other NAD equipment. Refer to the section below about “LIBRARY” on how to load a NAD code library.

  • Page 14: Library

    REMOTE CONTROL LIBRARY The AVR 3 can store or assign a different NAD code library for a particular DEVICE. If the original default library does not control your NAD CD player, DVD player, or other component, follow the procedure below to change the library code.

  • Page 15: Operation

    OPERATION USING THE T 747 – MAIN MENU ABOUT THE ON-SCREEN DISPLAY (OSD) LISTENING MODE The T 747 receiver employs a simple, self-explanatory system of on-screen display “menus” that will appear on the connected video monitor/TV. These are required during the setup process (and are useful in day-to-day operation), so be sure to connect the monitor/TV before proceeding with setup.

  • Page 16: Adjusting Listening Modes

    Panorama (On/Off): Adds a “wrap around” effect by extending some Two-channel recordings, whether stereo or surround-encoded, are reproduced with proprietary NAD surround processing with output signals stereo content into the surround channels. to the front left/right, center and discrete left/right surround channels, plus subwoofer (assuming these are present in the current “Speaker...

  • Page 17: Tone Controls

    OPERATION USING THE T 747 – MAIN MENU TONE CONTROLS Volume “Volume” refers to the adjustable secondary Zone 2 Volume level that can be increased or decreased depending upon its settings. “Volume” can either be set to “Fixed” or “Variable”. This is applicable only if the selected ZONE 2 Audio Output port is the ZONE 2 VAR.

  • Page 18: Using The T 747 - Setup Menu

    OPERATION USING THE T 747 – SETUP MENU SETUP MENU CREATING PRESETS The Setup Menu allows one to customize the operation of the T 747 to the Creating a Preset consists simply of storing a complete set of the ancillary equipment used in one’s specific AV system. Unless your system parameters set forth in the “Listening Mode”, “DSP Options”, “Tone Controls”, exactly matches the factory defaults, you will need to use the Setup Menu “Speaker Setup”...
  • Page 19 OPERATION USING THE T 747 – SETUP MENU SAMPLE PROCEDURE FOR SETTING UP A/V PRESETS Speaker Setup: from the Speaker Setup menu, go to “Speaker Configuration” sub-menu and change “Subwoofer” from “On” to “Off”: 1 Setup first your preferred settings for the following options (access “Front”...
  • Page 20 OPERATION USING THE T 747 – SETUP MENU 3 At “A/V Presets” page, set “Preset: 1” to the following conditions: 4 Now, repeat again Step 1 above but this time with the following settings Listening Mode: PLIIx Music Use [ ] to select “Yes”...

  • Page 21: Source Setup

    OPERATION USING THE T 747 – SETUP MENU 5 With the above settings, scroll to “A/V Presets” from the SETUP MENU 7 You can setup up to 5 Presets. These same Presets can also be page. Use [ ] to access “A/V Presets” menu. associated/defaulted to each Source in the “Source Setup (Normal View)”...
  • Page 22 OPERATION USING THE T 747 – SETUP MENU Source Digital Audio The T 747 is equipped with ten configurable Sources (Source 1 -10). The To take advantage of the T 747’s high performance surround and digital settings for each Source are dependent on the configurations set forth in audio circuitry, it is advisable that its Digital Audio inputs are selected.

  • Page 23: Source Setup (Table View)

    - Normal, Fast and Slow. Note that for “Audiobook Speed” to be available in an HD resolution. Note that the default SD is backward compatible with the menu, an iPod player must be docked in the linked NAD IPD model. non-HD sets.

  • Page 24: Auto Calibration

    OPERATION USING THE T 747 – SETUP MENU AUTO CALIBRATION MEASUREMENT IS THE FIRST STEP It has been shown that many, if not most, surround sound systems are not Connect the microphone jack into the front panel’s MP/MIC input. Place accurately setup and calibrated.

  • Page 25: Speaker Configuration

    OPERATION USING THE T 747 – SETUP MENU SPEAKER CONFIGURATION SPEAKER LEVELS Every surround-sound system requires “bass-management” to direct low- Adjusting the relative balance of your system’s loudspeakers ensures that frequency content from any or all channels to the speakers best able to surround-sound recordings, whether music or film, will present the balance reproduce it.

  • Page 26: Speaker Distance

    OPERATION USING THE T 747 – SETUP MENU SPEAKER DISTANCE SETTING SPEAKER LEVELS AT TEST MODE While at “Speaker Levels” menu, press the AVR 3 remote’s “Test” key activating the T 747’s Speaker Levels balancing test signal. You will hear a Test tone.

  • Page 27: Amplifier Setup

    OPERATION USING THE T 747 – SETUP MENU AMPLIFIER SETUP LISTENING MODE SETUP If the surround back speakers are not used in the main zone, their surround The T 747 has various listening mode options and is mostly configurable. back amplifier channels could be assigned for Main Back or Zone 2. These are provided to reproduce a variety of sound effects depending upon the content of the source to be played.
  • Page 28 OPERATION USING THE T 747 – SETUP MENU DOLBY DIGITAL SURROUND MODES The following are further descriptions about the Dolby Digital surround The Digital Theater System Digital Surround (simply called DTS) is a multi- modes. channel digital signal format that can process higher data rates than with Dolby Digital.

  • Page 29: Dolby Setup

    OPERATION USING THE T 747 – SETUP MENU DOLBY SETUP DTS - ES™ MATRIX 6.1 Under this menu, the Dolby Digital’s Dynamic Range Control can be In this format, the additional signals of the back channel receive a matrix adjusted as well as the settings for Dolby Digital Pro Logic IIx Music. encoding and are inputted into the right and left surround channels.

  • Page 30: Front Panel Display Setup

    OPERATION USING THE T 747 – SETUP MENU FRONT PANEL DISPLAY SETUP VIDEO SETUP The Vacuum Fluorescent Display (VFD) and On-Screen Display (OSD) can be This menu allows you to set the display resolution of the T 747 along with shown in various ways by navigating through the parameters at the “Front the compatible video format setting and picture setup.
  • Page 31 OPERATION USING THE T 747 – SETUP MENU Frame Rate: Frame rate refers to the number of frames or images that are projected or displayed per second in motion pictures, television or computer video display. Depending upon your area and video resolution capability of your TV/Monitor, the following “Frame Rate”...

  • Page 32: Listening To Am/Fm Radio

    OPERATION LISTENING TO AM/FM RADIO ASSEMBLING THE LOOP ANTENNA The T 747’s internal AM/FM tuner offers very high quality sound from radio broadcasts. The reception and sound quality will always be dependent to a degree however on the type of antenna(s) used as well as proximity to the broadcast origin, geography and weather conditions.

  • Page 33: About User Names

    OPERATION LISTENING TO AM/FM RADIO ABOUT RDS AUTOMATIC PRESET Preset stations may also be programmed automatically for the entire FM (or The Radio Data System (RDS) permits sending small amounts of digital AM) band. information using conventional FM radio broadcasts. The T 747 supports 1 Toggle the [AM/FM/DB] button to select FM (or AM) band.

  • Page 34: Listening To Xm Radio

    XM channels that are less the 3 digits, press “0” in place of the digit or press [ENTER] after entering the XM channel number. For example, to enter NOTES XM channel 8, press “0”, “0” and “8” or press “8” then [ENTER]. • Check with your NAD audio specialist for other versions of XM Mini- Tuner compatible with T 747. VIEW XM INFORMATION • When using the AVR 3 remote control to carry out XM commands, Toggle AVR 3’s [INFO] button to display the XM information of the selected...

  • Page 35: Listening To Dab Radio

    NAD-specified outboard DAB display line, the stronger the signal. By changing the position of the module – the NAD DAB Adaptor DB 1. All the control software for this antenna, you can increase the signal strength. Consult an antenna format is included;...

  • Page 36: Preset Tune

    They will be listed at the top of the channel list. A heart-shaped icon [ ♥ ] will be illuminated beside a favourite station. The “DAB Reset” option enables the re-initializing of the NAD DAB Adaptor DB1 by going to Full Scan mode.

  • Page 37: Information Settings

    OPERATION LISTENING TO DAB RADIO INFORMATION SETTINGS While listening to a DAB broadcast, the type of information displayed in the lower line of the VFD can be varied. Toggle the AVR 3’s [INFO] button to step through the following display options: Program Type Station Name Time and Date...

  • Page 38: Listening To Your Ipod Player

    • Song title • Artist Name now plug them IN to their applicable power sources. 5 With your iPod player, NAD IPD and T 747 all at power ON state, toggle • Album title front panel’s [SOURCE ] to select “iPod” source. The upper line of the VFD will show “iPod Menu”.

  • Page 39: Nad Ipd 2

    LISTENING TO YOUR iPod PLAYER NAD IPD 2 The NAD IPD 2 has its own remote control - the DR 1. DR 1 can be used to control NAD IPD 2 only at “Simple Mode”. When using the DR 1 to command your iPod player docked in the NAD IPD 2, you have to refer to your iPod player’s own display screen to make full use of its feature;...

  • Page 40: Reference

    REFERENCE TROUBLESHOOTING CONDITION POSSIBLE CAUSES POSSIBLE SOLUTIONS No sound from all channels. • AC power unplugged. • Check AC cable connection and outlet. • Power not switched on. • Outlet has no power. No sound from some channels. • Faulty/missing cables. • Check cables.

  • Page 41: Specifications

    REFERENCE SPECIFICATIONS AMPLIFIER SECTION Power output, Stereo Mode 2 x 110 W (ref. 0.08 % THD, 8 Ω) IHF dynamic power - 8 Ω 2 x 160 W 4 Ω 2 x 220 W Power output Surround Mode 7 x 60 W Total harmonic distortion at rated power 0.08 % IM distortion at rated power...
  • Page 42 ©2009 NAD ELECTRONICS INTERNATIONAL A DIVISION OF LENBROOK INDUSTRIES LIMITED All rights reserved. No part of this publication may be reproduced, stored or transmitted in any form without the written permission of NAD Electronics International T 747 Manual Issue 1.14-09/09...

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