Home

Manual - Datatail

1. io lupe s 20E STANDBY BUTTON e Press this button to switch ON the T 748 from standby mode The Standby LED indicator will turn from amber to blue and illuminate the VFD Pressing the STANDBY button again turns the unit back to standby mode 2 STANDBY LED e This indicator will light up amber when the T 748 is at standby mode e When the T 748 is powered up from standby mode this indicator will illuminate blue 3 NAVIGATION and ENTER BUTTONS The navigation C gt A V and ENTER buttons have various applications specific to given modes The middle round button is designated as ENTER button this is normally pressed to complete a selection procedure sequence or other applicable functions AM FM mode Toggle ENTER button to switch between Tune and Preset mode Select Tune mode e Pressing momentarily the D buttons will manually scan the AM or FM band e Press and hold lt gt for more than 2 seconds to search up down the T 748 s tuner will stop at the next sufficiently strong signal it encounters e Note that this function wraps that is it will continue to search from one end of the AM or FM band to the other until it stops at a strong signal Toggle ENTER button to switch between Tune and Preset mode Select Preset mode e Use A v to step up or down AM FM Presets Unused presets are skipped over Not
2. Check AC cable connection and outlet e Toggle MUTE button to deactivate Mute function e Check cables e Check Speaker Configuration menu e Select appropriate listening mode e Correct Speaker Configuration or Speaker Levels settings e Power up subwoofer check subwoofer s AC outlet or check connections e Correct Speaker Configuration or Speaker Levels settings Play a known 5 1 channel recording or select Dolby Pro Logic Ilx Music mode e Correct Speaker Configuration or Speaker Levels settings e Check connections e Check source component setup e Check batteries e Check IR windows and ensure clear line of sight from remote to T 748 e Reduce sunlight room lighting e Check station tuning Adjust or replace antenna e Tune to an RDS station that supports program service name PS mode and radio text mode RT e Check the connection and position of DAB antenna e Call your local DAB broadcast providers for coverage information 37 REFERENCE SPECIFICATIONS AMPLIFIER SECTION Power output Stereo Mode IHF dynamic power 8 ohms IHF dynamic power 4 ohms Power output Surround Mode Total harmonic distortion at rated power IM distortion at rated power Damping factor 8 ohms Input sensitivity and impedance Frequency response Signal noise ratio Signal noise ratio TUNER SECTION AM SECTION Tuning range Usable sen
3. TV Out setting of your iPod s Video Settings menu is at On mode and appropriate TV Signal is chosen 2 Video or photo file selections and playback procedures are managed directly from your iPod player and not through the T 748 You must exit completely from the T 7485 Setup Menu or Menu Select OSD for you to be able to navigate through your iPod players video or photo menu options A more direct way is by going to the iPod Setup menu and set Enabled to No 3 With the NAD IPD s S VIDEO OUT and AUDIO OUT ports connected to the T 7485 AUDIO 2 S VIDEO input or to any other assignable input you can now directly enjoy via T 748 your video or photo file selections as uploaded in your iPod Make sure that you select the correct Source Number of the T 748 Note that if Enabled from iPod Setup is set to No ensure that Source 5 is enabled and analog audio and video settings are assigned to A2 and S1 respectively NOTE For other navigation functions please refer to your iPod players owners manual Depending on the iPod player model some other functions maybe controlled using the applicable T 748 navigation controls iPod is a trademark of Apple Inc registered in the U S and other countries CONDITION No sound from all channels No sound from some channels No sound from surround channels No sound from Subwoofer No sound from Center channel No Dolby Digital DTS T 748 does not r
4. While at Save Settings to Setup menu line use B to save the above Display Setup Set Line 2 to Volume settings to Preset 1 Below OSD will be shown affirming that the above settings are now saved to Preset 1 J Display Setup VFD Display On Dimmer Bright A V Presets Setup Current setup has been saved to preset Line 1 Source EDO Lume Temp Line Line 2 Press 4 to Return 5 With the above settings scroll to A V Presets Setup from the SETUP When associated to a particular Source number the above preset values MENU page Use B to access A V Presets Setup menu and settings allocated at Preset 1 preset settings as shown in the OSD captures at Step 1 will be recalled and applied to said assigned source Setup Menu Now repeat again Step 1 above but this time with the following Source Setup settings Speaker Setup Amplifier Setup HDMI Setup Listening Mode PLIIx Music Listening Mode Setup Display Setup AZV Presets Setup Listening Mode rCEEPLI Ix Music Center Width 3 Dimension 0 6 At A V Presets Setup page set Preset 2 to the following conditions as Panorama Off below Use to select Yes or No Then press 9 and DB to exit a line item and move on to the next setting A V Presets Setup Preset 2 ee I T e icp Gators istening Mode Yes SP Options Oms DSP Options Yes Tone Controls Yes Speaker Setup
5. IMPORTANT NOTICE Only analog audio connected through a Source s analog audio input port can be associated as audio source for Zone 2 Digital audio sources connected via HDMI digital optical and digital coaxial input ports cannot be downmixed and used as Zone 2 audio source NOTES e If Zone 2 is still ON and STANDBY button is pressed to switch the T 748 to standby mode the VFD will be extinguished except for the display showing Zone 2 and associated Zone 2 source Standby LED remains illuminated blue This indicates that Zone 2 is still active In order to completely shut down the T 748 Zone 2 setting at the Zone 2 Controls menu must be set to Off Pressing OFF button of the ZR 7 remote control will also directly turn off Zone 2 e Zone 2is audio only and not associated with any video input sources SETUP MENU Setup Menu Source Setup Speaker Setup Amplifier Setup HDMI Setup Listening Mode Setup Display Setup A V Presets Setup Auto Power Down Setup The Setup Menu allows one to customize the operation of the T 748 to the ancillary equipment used in ones specific AV system Unless your system exactly matches the factory defaults you will need to use the setup menu to configure the inputs of the T 748 At Setup Menu the following are configurable Source Setup Speaker Setup Amplifier Setup HDMI Setup Listening Mode Setup Display Setup AV Presets Setup and Auto Power Down Setup Follow
6. 0 4 5 and 0 OPERATION LISTENING TO AM FM RADIO STORING PRESETS AM FM The T 748 can store up to 30 FM and 30 AM stations for immediate recall 1 To store a desired AM FM station to a preset first tune to the desired frequency see above then press AVR 4 s MEMORY button The VFD will show the next available Preset number for example Preset 4 Free in the lower line and on the upper right corner P 4 with 4 blinking 2 Press the MEMORY button again to store the desired frequency on the Preset number shown Your desired frequency is now stored in the assigned preset 3 Alternatively an AM FM station can be stored to a Preset number by repeating step 1 Enter a Preset number in two ways e Directly enter a number between 1 to 30 and then press MEMORY button e Toggle A V or amp to step through the Preset numbers stop at desired number and then press MEMORY NOTE If there is no more vacant Preset number you can overwrite an existing Preset number by pressing the buttons to select the Preset number you want to overwrite AUTOMATIC PRESET Preset stations may also be programmed automatically for the entire FM or AM band 1 Toggle the AM FM DB button to select FM or AM band 2 Press and hold the MEMORY button until the station frequency indication begins to increase 3 Release the button and note that the tuner will search the entire FM or AM band and stop briefly at eac
7. 20 cm WARNING DO NOT INGEST BATTERY CHEMICAL BURN HAZARD The remote control supplied with this product contains a coin button cell battery If the coin button cell battery is swallowed it can cause severe internal burns in just 2 hours and can lead to death Keep new and used batteries away from the children If the battery compartment does not close securely stop using the product and keep it away from children If you think batteries might have been swallowed or placed inside a part of the body seek immediate medical attention NOTES ON ENVIRONMENTAL PROTECTION At the end of its useful life this product must not be disposed of with regular household waste but must be returned to a collection point for the recycling of electrical and electronic equipment The symbol on the product users manual and III packaging point this out The materials can be reused in accordance with their markings Through re use recycling of raw materials or other forms of recycling of old products you are making an important contribution to the protection of our environment Your local administrative office can advise you of the responsible waste disposal point INFORMATION ABOUT COLLECTION AND DISPOSAL OF WASTE BATTERIES DIRECTIVE 2006 66 EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF EUROPEAN UNION FOR EUROPEAN CUSTOMERS ONLY Batteries bearing any of these symbols indicate that they should be treated as separate collection
8. AUTO POWER DOWN SETUP Auto Power Down Setup Auto Timer The T 748 can be setup to automatically go to standby mode if there is no user interface interaction within the allocated time Set Auto Timer to preferred time 4hrs 8hrs 30mins Set time to allow the T 748 go to standby mode automatically in the absence of any user interface interaction Off The T 748 remains active even though no user interface interaction is detected 28 The T 748 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 ABOUT ANTENNAS Connect the supplied lead type FM antenna to the FM antenna input Extend the lead Experiment freely with your antenna placement and orientation until you get the clearest sound and lowest background noise Fix the antenna in the desired position by using thumb tacks push pins or any suitable means In areas of poor FM reception an exterior FM antenna can improve performance dramatically If radio listening is important to you consider consulting an antenna installation professional to optimize your system The supplied AM loop antenna will usually provide adequate reception However an exterior AM antenna can be used to improve reception Consult an antenna professional for more information IM
9. Follow the guidelines about DISPLAY THE OSD and NAVIGATING THE OSD AND MAKING CHANGES to navigate through the menu options and their sub menu selections NOTE The individual configurations set forth at Listening Mode DSP Option and Tone Controls are carried over whenever they are enabled at A V Presets Setup setting Please see the section A V Presets Setup for reference 14 LISTENING MODE Listening Mode PLIIx Movie Mode The T 748 offers distinct listening modes tailored for different types of recording or program material With a two channel Stereo source the following listening modes can be selected STEREO Output is directed to the front left right channels Low frequencies are directed to the subwoofer if one is present in the Speaker settings Select Stereo when you wish to listen to a stereo or monaural production such as music CD or FM broadcast without surround enhancement Stereo recordings whether in PCM digital or analog form and whether surround encoded or not encoded are reproduced as recorded Multi channel digital recordings Dolby Digital and DTS are reproduced in Stereo Downmix mode via the front left right channels only as Lt Rt left right total signals DIRECT The analog or digital sources are automatically played in their native formats All the sources audio channels are reproduced directly This mode recreates the original sound most
10. a division of Lenbrook Industries Limited INTRODUCTION TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS 2 INTRODUCTION GETTING STARTED ss e s s t rek gek EKEZ SZ NK AnA A nAi ARENES 5 Vile UNE BO E EE E E snares J NITAL SETUP ssepeikecinroeiietsi spesif ttio tk kre rei CER IN k k 5 CHOUAN GA LOCATON sasaosan sz t tatja etet a ia EEEE EEE E J DEFAULT SOURCE ET UN G wsdareneearcriesasane ries sears EIERNE 5 IDENTIFICATION OF CONTROLS FRONT PANEL iceccsestcceveeseuewerowinewadsaeseeadedidaessaneet 6 REAR PANEL ess s wetevardcvceteestwesesbdiweeseuducdssatasekcseuds 8 AVR 4 REMOTE CONTROL ctianccevesetesevdsanessawdareaneunaew es 10 USING THE AVR 4 REMOTE CONIRO L aes n ne d zsvsszt za s n m 10 LIER PONY spades intkwdees doraeadepiaieeacer kenyeret d NA bek seca 12 USING THEZE 7 REMOTE CONTR Coipasa EER ii 13 OPERATION USING THE T 748 MAIN MENU cc eee eee e cere eee ee 14 ABOUT THE ON SCREEN DISPLAY OSD a e c sa2 cesdaandecurdenadecs 14 Vin IVE weestrenetesegeens ten taneuatese ESEE RE EENETI INE 14 VISE WING OID snctace eos E eeaeaeetaetaie 14 ADJUSTING LISTENING MODES 0000 15 eS 26 he eer et Terr Tere ere bar t eee rr re sre my SZT 16 FO ices ediren ea edsepeumtentontausetsoneaasy 16 ZONE Z CONTRO eee eee eee eee ee ee eee ee eee re 16 USING THE T 748 SETUP MENU ex cicascntandaswasecnasvenasdes 17 DEO IVE Wes eket E E egz E E 17 SOU GE SEI
11. and are useful in day to day operation so be sure to connect the monitor TV before proceeding with the setup DISPLAY THE OSD Press B or MENU buttons of the AVR 4 remote control or the front panel buttons gt or MENU to display the T 7485 Main Menu on your video monitor TV If the OSD does not appear check your MONITOR OUT connections NAVIGATING THE OSD AND MAKING CHANGES Use applicable AVR 4 or corresponding front panel buttons to navigate through the OSD menu options 1 Press B to select a menu item Use or in some cases ENTER to move up or down the menu selections Repeatedly press B to advance or go further into the sub menu of desired menu item 2 Use to set or change the parameter value setting of a menu item 3 Press to save the settings or changes done on the current menu or sub menu Pressing will also return the user to the previous menu or exit from a particular menu IMPORTANT NOTE Unless otherwise specifically stated references to control buttons in the succeeding sections are with respect to AVR 4 buttons Equivalent front panel buttons apply when applicable MAIN MENU Main Menu DSP Option Tone Controls Zone 2 Controls Setup Menu Press gt to Advance Press 4 to Return The Main Menu contains the menu options for Listening Mode DSP an I it Option Tone Controls Zone 2 Controls and access to Setup Menu
12. and not as municipal waste It is encouraged that Pb necessary measures are implemented to maximize the separate collection of waste batteries and to minimize the disposal of batteries as mixed municipal waste Hg Cd End users are exhorted not to dispose waste batteries as unsorted municipal waste In order to achieve a high level of recycling waste batteries discard waste batteries separately and properly through an accessible collection point in your vicinity For more information about collection and recycling of waste batteries please contact your local municipality your waste disposal service or the point of sale where you purchased the items By ensuring compliance and conformance to proper disposal of waste batteries potential hazardous effects on human health is prevented and the negative impact of batteries and waste batteries on the environment is minimized thus contributing to the protection preservation and quality improvement of the environment NOTE THE T 748 IS NOT AN AUTO VOLTAGE UNIT CONNECT ONLY TO THE PRESCRIBED AC OUTLET I E 120V 60HZ OR 230V 50HZ RECORD YOUR MODEL NUMBER NOW WHILE YOU CAN SEE IT The model and serial number of your new T 748 are located on the back of the cabinet For your future convenience we suggest that you record these numbers here NAD is a trademark of NAD Electronics International a division of Lenbrook Industries Limited Copyright 2013 NAD Electronics International
13. 4 REMOTE CONTROL USING THE ZR 7 REMOTE CONTROL The ZR 7 is a discrete compact remote for controlling the Zone 2 feature of the T 748 Irrespective of the main room zone settings the ZR 7 allows full separate control of the Zone 2 source selection among other applicable features J OQO 1 ON OFF Switch ON OFF the Zone feature 2 SOURCE v I Select the active input of the NAD T 748 that will be sent out to the corresponding rear panel ZONE 2 output port 3 MUTE Temporarily switch OFF or restore the Zone Volume level 4 VOLUME AY I Increase or decrease Zone 2 audio output level This is applicable only when Zone 2 is the selected setting of Back Amp in the Amplifier Setup menu 5 PRESET lt gt I Step up or down between stored radio presets This control button is possible if the selected Zone is TUNER and the active tuner section has stored presets 6 The following CD Player Zone buttons can control a compatible CD Player The CD Player has to be powered ON and disc loaded SKIP PPI Go to the beginning of a track file or previous track flle SKIP I Go to the next track fle gt Start playback OPERATION USING THE T 748 MAIN MENU ABOUT THE ON SCREEN DISPLAY OSD TheT 748 employs a simple self explanatory system of on screen display menus that will appear on the connected video monitor TV These are reguired during the setup process
14. AND FEATURES After linking together your iPod player NAD IPD and the T 748 you can now plug them IN to their applicable power sources 1 With your T 748 iPod player and NAD IPD all at power ON state select SOURCE 5 iPod of your T 748 Your iPod player will show in its display the NAD logo and below it OK to disconnect On the other hand the T 748 VED will show in the upper line iPod Menu and the lower line Playlists The lower line will vary depending on the current menu selected At the same time the T 748 OSD will display the whole iPod Menu selections like Playlists Artist Albums Genres Songs Composers Audiobooks and Podcasts 2 Navigate through the iPod menu selections using a combination of the 4 D a v buttons NOTES e Toexit from the iPod Menu at Source 5 iPod press 4 bringing you to Menu Select OSD Follow the instructions as prompted e Source 5 is defaulted to iPod For Source 5 iPod to be changed and allocated for other inputs go to iPod Setup menu under the Source Setup menu At iPod Setup menu set Enabled to No you can now assign Source 5 with another input or setting as desired OPERATION LISTENING TO YOUR iPod PLAYER iPod MENU OPTIONS There are two menu options for iPod iPod Menu and Simple Mode At iPod Menu iPod navigation will be done and guided through the OSD or VFD of the T 748 At Simple Mode everything will be guided through
15. TV Monitor s resolution capability Some TV Monitors will automatically display the video signal at 480p 576p if they are not capable of displaying 480i 576i 18 A V PRESET A particular Source can be assigned a stored Preset The parameters set up in the selected Preset number will be adopted into the particular Source it is assigned Please refer to the separate section on A V Presets Setup for further understanding of Preset settings Scrolling to A V Preset and by pressing B and then w a Source could be assigned a Preset number ranging from Preset 1 to 5 If it is desired not to assign the particular Source a Preset setting select None SOURCE SETUP TABLE The Source Setup Table reflects the settings made in the Source Setup Normal menu All the Source settings are summarized and displayed in tabulated form in the Source Setup Table Name 1 Source 1 2 Source 2 3 Source 3 d Source 4 iPod 6 Front fi MP T Tuner P Press ENTER to Disable Navigating through the Source Setup Table via a combination of D and then a v buttons one will have the benefit of directly changing the settings for Audio Video Preset and Source Name without going back to the Source Setup Normal menu Highlight a particular Source number and then toggle ENTER button to enable or disable said Source number iPod SETUP iPod Setup Yes Auto Connect Yes Menu Timeou
16. Ur supa Ennek ELSE KE S ES nen nie eae UL ESSEN 17 SOURCE SETUP NORMAL 00 ccc cece cece eee e eee e enn n eee eeees 17 UR GE ETU PTA OL areaesnu dem aaneoneu EEE nudes anon 18 POs wena ciueaueeceeecavde lt Ghee EE EE E ave 18 SPERRER ETOP sone duns EENT dune SEN EK E cose ERE eae rien SE Ee 19 RITO CALIBRATION siacsucr parsed E hence i 19 SPEAKER CONFIGURATION 00 tenet eet n eee 20 PEPPER EEVEE eRe cee terete ts tere TT fete e rt ne et tere 20 SPEAKER DISTANCE sous cnrep ania maceueeuia mctareeeha palameeeia patent 21 POS TING TIE VOLUME sae szag enna deans emake CSEKE BET denen onan Rs 21 AMPLIFIER E I ao egdkdtje t st rren rO EE E RE 21 PUI rare E E E A 21 LISTEN G MODE SE MR eyre NENNE 22 LSTENING MODES m ereszt s k s bblsi kesz kr st koszi b ves r Iiis 22 THANK YOU FOR CHOOSING NAD The T 748 AV Surround Sound Receiver is a technologically advanced and highly capable product yet we have invested great effort in making it simple and easy to use The T 748 delivers a range of genuinely useful options for surround sound and stereo listening alike using powerful digital signal processing and superbly accurate digital audio circuitry However we have also been careful to ensure that the T 748 is as musically transparent faithful to every video detail and spatially accurate as possible incorporating much of what we ve learned from over three decades of experience designing audio video and home theater components As
17. a w keys to save a collection of said parameter settings to a Preset Select a Preset number and by pressing the keys you can selectively include in the particular A V Preset any of the above mentioned parameter settings by choosing Yes If you decide not to include in the particular A V Preset a certain parameter setting select No Now in order to save the settings chosen for the particular A V Preset number scroll down to Save Settings to Setup and press the B key If you chose to load instead the default settings scroll down to Load Defaults to Preset and press the B key to restore the default settings In addition to the parameter settings the A V Preset label itself can be assigned a new name This new Name will be shown in the VFD as well as on the OSD To rename the A V Preset label scroll to Name and press B to go the first character Then press to pick and select through the alphanumeric selections Press B to move to the next character or back to the previous character and at the same time save the changes done on the current character An A V Preset can be renamed up to 8 characters NOTE The selected A V Preset remains in force until you select a different A V Preset 25 OPERATION USING THE T 748 SETUP MENU SAMPLE PROCEDURE FOR SETTING UP A V PRESETS Speaker Setup from the Speaker Setup menu go to Speaker 1 Setup first your preferred settings for
18. amp other U S and worldwide patents issued amp pending DTS HD the Symbol amp DTS HD and the Symbol together are registered trademarks amp DTS HD Master Audio is a trademark of DTS Inc Product includes software DTS Inc All Rights Reserved HDMI the HDMI logo and High Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC 39 www NADelectronics com 02014 NAD ELECTRONICS INTERNATIONAL A DIVISION OF LENBROOK INDUSTRIES LIMITED All rights reserved NAD and the NAD logo are trademarks of NAD Electronics International a division of Lenbrook Industries Limited No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International While every effort has been made to ensure the contents are accurate at the time of publication features and specifications may be subject to change without prior notice T748R2_ENG_OM_V09 JAN 2014
19. faithfully thereby producing outstandingly high quality audio Note that the source must be at playback mode for Direct to become available as a listening mode option In order to automatically playback your source in their native format implement the following settings 1 Goto Listening Mode Setup under Setup Menu At the Listening Modes menu set all Dolby Digital DTS PCM and Analog settings to None With this setup your source will be played back directly at its native format 2 Next go to A V Presets Setup under Setup Menu At A V Presets Setup menu set Listening Mode item to Yes and then save this setting among other options say to Preset 1 by selecting Save Settings to Setup 3 Now you can associate Preset 1 to any of the Source settings For example at Source 1 setting under Source Setup Normal scroll down to A V Preset item and set it to Preset 1 Thus whenever Source 1 is selected the associated source will always be directly played back at its native audio format DOLBY PRO LOGIC IIx Dolby Pro Logic lix processes both stereo and 5 1 signals into a 6 1 or 7 1 channel output At Dolby Pro Logic lix you can either choose PLIIx Movie or PLIlx Music mode to tailor your listening experience to the source material Dolby Pro Logic lix surround processing yields more stable imaging and full bandwidth sound to the rear channels in Movie mode offering soun
20. other display information RAND Play tracks files in random order RPT Repeat track chapter file or whole disc PROG Enter or exit program mode CLEAR Delete programmed track flle RES Set output resolution of HDMI and Component Video output SETUP Access or exit setup menu A B C D Navigate or select BD ROM menu if applicable Page up down PHOTO and MUSIC menu list 11 IDENTIFICATION OF CONTROLS AVR 4 REMOTE CONTROL TUNER CONTROL USE WITH T 748 TUNER SECTION AND OTHER COMPATIBLE NAD RECEIVER AM FM DAB TUNER MODELS Set the DEVICE SELECTOR to TUN in order to gain access to these buttons Refer to the corresponding bE labels printed in the remote control faceplate and their respective assigned buttons to make use of these functions Some of the control buttons below are applicable only to specific NAD Receiver p or Tuner models check the owners manual of your 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 TUNE lt gt or D I Tune forward or backwards INFO Repeatedly pressing this button will show information as supplied by the current radio station The applicable display contents include related DAB display information and RDS broadcast data PRESET Ft4 DBI1 or
21. signal In most areas you will find from one to several RDS enabled stations but it is by no means impossible that your favorite stations will not be broadcasting RDS data VIEW RDS TEXT When an RDS enabled FM broadcast is tuned the readouts character section will show its program service name PS text Press the AVR 4 s INFO button to toggle the readout between this and the stations radio text RT readout if any which might scroll song or artist name or any other text of the stations choosing 30 Until now analogue radio signals such as FM or AM have been subject to numerous kinds of interference on their way from the transmitter to your radio These problems were caused by mountains high rise buildings and weather conditions With Digital Audio Broadcast DAB you can now receive CD like quality radio programs without any annoying interference and signal distortion DAB broadcasts use digital signals rather than traditional analogue transmissions thus providing clear high quality reception You get far more robust reception and virtually hiss or crackle free sound with DAB as long as you are within a good coverage area With DAB the listener can scroll through a list of available stations then instantly tune to the station of his choice There is no need either to remember channel frequencies All broadcasts are selected by simply selecting the service name The T 748 makes it possible for you to enjoy listening to DAB
22. television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help IMPORTANT SAFETY INSTRUCTIONS WARNING The unit must not be exposed to dripping or splashing liguids and liguid filled objects such as vases or cups should not be placed on the unit CAUTION Changes or modifications to this equipment not expressly approved by NAD Electronics for compliance could void the users authority to operate this equipment CAUTION These servicing instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so ATTENTION Disconnect this apparatus from the AC mains completely by unplugging the power cord plug from the AC receptacle CAUTION REGARDING PLACEMENT To maintain proper ventilation be sure to leave a space around the unit from the largest outer dimensions including projections that is equal to or greater than shown below Left and Right Panels 10 cm Rear Panel 10 cm Top Panel
23. the corresponding front panel or AVR 4 buttons to select through the available options as displayed in your iPod players display screen 35 OPERATION LISTENING TO YOUR iPod PLAYER CONTROL FEATURES Use the following control buttons in navigating through the iPod menu options Since the AVR 4 will be the primary controller in most cases we will focus on remote controlled operations Note that for other NAD IPD models like NAD IPD 2 that have remote control below controls have the same function as those available in the NAD IPD models remote control DISP During playback toggle DISP key of AVR 4 to show in the VFD upper line the following e Current iPod playback mode shuffle repeat modes e Song title e Artist Name e Album title If there is no information available the display will show Unknown Song Unknown Artist or Unknown Album as applicable Aside from this information the lower line will display the current title s song number allocation and time elapsed e V While at menu options or selection lists toggle to go up or down the options lists or song titles Press and hold w to quickly scroll through the song titles FELV gt l During playback or PAUSE mode press and hold Ke lt PP for fast forward or backward scanning of current song Press gt gt I to skip forward to the next song or kK to skip back to the previous song PAUSE II PLAY gt Pr
24. with all our products NAD s Music First design philosophy guided the T 748 s design such that it can confidently promise you both state of the art surround home theater and audiophile quality music listening for years to come DOLBY DIGITAL SURROUND MODES ici cdaarndun daca emdarn dalam 22 DLE r ETO pcan apsey sues aparece speas ceases ER ees nena neue 23 Bake ae ae cxietesmncetteesnudateecescua eves sees eeasacessenesnoees 24 58 CEs C8 sarees reer lni tetek te errr rer ee 24 EKE DS VEREC edbetak et atin care AN EPEAN AEE 24 Deuk SEN sz k weceakedin gens EE EE E lk aire 23 PE eel SET E a E E EE MGO T E A 25 AUTOPOWER DOWN E ceinte srias rres Enri rr DENES EREE 28 LISTENING TO AM FM RADIO 29 SELECTING A TUNER BAND incaeee rides tee padensiacnsces vid 29 STORING PRESENS ANP 2s ndvivcetraeruveeexmeeiaseiaemereres 29 CHO OSI VGCIME WINE MOD Erisso ishe rren EESE UNSEEN ESNE PESA 30 Pe EE NAME arrire marire ien A era 30 POO a E NASE I A con E S EEA T 30 LISTENING TO DAB RADIO oessesessesessesesessssessssessese 31 CONNECTING TAE DAG MODULE seriis tiiirti Sein iR 31 BG a iO E E E E N E 31 EREU Teee E ES E AEE 31 AE TONER OE ian TE E EE E denne E dtc 32 ES o E S E E E EEEE ETETE 32 SANON ORDER a e ceo eames ET ETAN E EEr ETARE SSE KEN ENET ETONE ESS 32 BRANE TAE a a EEE EEES A 32 MANURE TUNE eg t eszt kettest t ts t ezt b ke tte b ke tt szt lt EEES 32 ELNE R T seen az tt ter ner ere
25. 20cB the T 748 will power up at 20dB This prevents inadvertently beginning a session at excessive volume MUTING THE SOUND Use the AVR 4 s MUTE key to silence all channels completely Muting is always available regardless of the source or listening mode selections NOTES e Changing input or listening mode selections does not release muting e Adjusting the volume level via the AVR 4 or the front panel volume knob will automatically release the mute function AMPLIFIER SETUP Amplifier Setup Back Amp Main Back If the surround back speakers are not used in the main zone their surround back amplifier channels could be assigned for Main Back Main Front or Zone 2 The Surround Back amplifier is configurable through the following settings e Main Back Assign as surround back speakers e Main Front Provide a bi amp mode for the Main Front speakers Left and Right speakers thus reproducing the Front Left and Front Right amplifier channel outputs Zone 2 Assign the surround back amplifier channels to supply Zone 2 speaker level output via the surround back speaker terminals With Back Amp set to Zone 25 playback in the Main zone is reduced to 5 1 channels Refer also to the item about ZONE 2 AT AUDIO PRE OUT SURROUND BACK in the ZONE 2 CONTROLS segment of the OPERATION USING THE T 748 MAIN MENU section HDMI SETUP The T 748 supports HDMI Control and Audio Return Channel ARC functions Both functi
26. D is a lossless encoding technology developed for high definition optical discs in the upcoming era Dolby TrueHD delivers tantalizing sound that is bit for bit identical to the studio master unlocking the true high definition entertainment experience on high definition optical discs in the next generation When coupled with high definition video Dolby TrueHD offers an unprecedented home theater experience with stunning sound and high definition picture It supports bit rates of up to 18 Mbps and records up to 8 full range channels individually with 24 bit 96 kHz audio It also features extensive metadata including dialogue normalization and dynamic range control Supported by High Definition Media Interface HDMI a single cable digital connection is possible for high definition audio and video HD DVD and Blu ray Disc standards currently limit their maximum number of audio channels to eight whereas Dolby Digital Plus and Dolby TrueHD support more than eight audio channels Note that the T 748 only supports 7 1 channel DOLBY DIGITAL EX Using a Matrix decoder this method creates the back channel sometimes also called the surround center by means of signals on the left and right surround channels recorded in Dolby Digital 5 1 reproduction being provided in Surround 6 1 This method should be selected with sources bearing the Dolby Digital double D symbol EX symbol recorded in Dolby Digital Surround EX With this additional
27. Equalization EQ effect as set up at Auto Calibration 14 TONE Adjust Treble or Bass level Toggle TONE and then use buttons to set up tone level 15 L NITE Set Dynamic Range Control DRC level Toggle L NITE to select either DTS or Dolby DRC setting and then use w buttons to set up DRC level DVD BD CD PLAYER CONTROL USE WITH COMPATIBLE NAD CD PLAYER BLU RAY DISC PLAYER OR DVD PLAYER MODELS Set the DEVICE SELECTOR to BD in order to gain access to these buttons Some of the control buttons below are applicable only to specific NAD CD Player Blu ray Disc or DVD Players check the owner s manual of your NAD model for control button compatibility You can also load the applicable NAD Home code library to this device so that it can be made compatible with your other NAD equipment Refer to SETUP the section below about LIBRARY on how to load a NAD code library HOME Display or exit HOME menu d PICTURE Display or exit the Picture Mode menu TITLE POP UP Display DVD title menu or BD ROM pop up menu if available MENU Access disc menu if available SCAN 44 DDP I Fast reverse forward search A Open or close disc tray E Stop playback II Pause playback temporarily PPI Go to next track chapter or file k lt Go to the beginning of current or previous track chapter or file gt Start playback ENTER Select desired track folder or WMA MP3 file DISP Show playback time and
28. FOR ANY TECHNICAL OR USER INTERFACE DISCREPANCIES IN THIS MANUAL THE T 748 OWNER S MANUAL MAY BE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE CHECK OUT THE NAD WEBSITE FOR THE LATEST VERSION OF THE T 748 OWNER S MANUAL INTRODUCTION GETTING STARTED WHAT S IN THE BOX Packed with your T 748 you will find e An AM loop antenna e A FM ribbon wire antenna with balun e Adetachable mains power cord e Measurement microphone for auto calibration e AVR4remote control with 2 AA batteries e ZR zone remote control with 3V CR2025 battery e Owner s manual in CD ROM SAVE THE PACKAGING Please save the box and all of the packaging in which your T 748 arrived Should you move or otherwise need to transport your T 748 this is by far the safest container in which to do so We ve seen too many otherwise perfect components damaged in transit for lack of a proper shipping carton so please Save that box INITIAL SETUP Before you make the first connection to your T 748 you should have the arrangement of your listening room home theater components and furniture mapped out at least initially Unfortunately a discussion of the vital questions of loudspeaker placement and listening viewing positions is beyond our scope here CHOOSING A LOCATION Choose a location that is well ventilated with at least several inches to both sides and behind and that will provide a clear line of sight within 25 feet 8 meters between the T 748 s front panel and y
29. MAIN MENU segment of the OPERATION section NOTE Use stranded wire of at least 16 gauge AWG Connections to the T 748 can be made with banana type plugs Bare wire or pins can also be used by loosening the terminal s plastic nut making a clean neat connection and re tightening carefully To minimize the danger of short circuit ensure that only 1 2 inch of exposed wire or pin is employed when connecting 15 AC MAINS INPUT The T 748 comes supplied with a separate detachable mains power cord Before connecting the plug to the mains power source ensure that it is frmly connected to the T 7485 AC Mains input socket first e Connect only to the prescribed AC outlet i e 120V 60 Hz for 120V version models only or 230V 50 Hz for 230V version models only e Always disconnect the mains power plug from the mains power source first before disconnecting the cable from the T 7485 AC Mains input socket 16 SWITCHED AC OUTLET This convenience outlet can supply switched power to another component or accessory e The total draw of all devices connected to this outlet must not exceed 100 watts e tis powered ON and OFF by the front panel STANDBY button or by the AVR 4 s ON and OFF keys IDENTIFICATION OF CONTROLS AVR 4 REMOTE CONTROL USING THE AVR 4 REMOTE CONTROL F JA The AVR 4 remote control handset handles the key functions of the T 748 The AVR 4 can also be C Orr used to directly command other NAD products that respo
30. No Display Setup No DSP Option Lip Sync Delay ME Save Settings to Setup Load Defaults to Preset While at Save Settings to Setup menu line use B to save the settings above to Preset 2 When associated to a particular Source number the above preset values and settings allocated at Preset 2 preset settings as shown in the OSD captures at Step 4 will be recalled and applied to Said assigned source Tone Controls Tone Defeat Off Note that Speaker Setup is set to No At this condition there will be no Speaker Setup settings that will be associated to Preset 2 The Speaker Setup settings that will be applied to Preset 2 will be the last Tone Defeat POET or current Speaker Setup settings which in this sample are the same Treble 6dB Speaker Setup settings shown above in Step 1 Bass m 8dB i E EE RK telet s 5 Tone Controls 27 OPERATION USING THE T 748 SETUP MENU 7 You can setup up to 5 A V Presets These same A V Presets can also be associated defaulted to each Source in the Source Setup Normal window as below Source Setup Normal Source ek Enab led A C Name Source 1 Analog Audio Audio 1 Gain OdB Digital Audio HDMI 1 Video HDMI 1 A V Preset Preset 1 In the above example Preset 1 settings are allocated to Source 1 Whenever Source 1 is accessed the Preset 1 settings will be applied to Source 1
31. PORTANT NOTE When using the AVR 4 to carry out AM FM commands ensure that the DEVICE SELECTOR is set to TUN ASSEMBLING THE LOOP ANTENNA 1 Rotate the outer frame of the antenna 2 Insert the bottom edge of the outer frame into the groove on the stand 3 Extend the antenna cord SELECTING A TUNER BAND Press the AM FM DB button on the AVR 4 while at AMP or TUNER device selector page Each subsequent press will toggle you through AM FM or DAB band Stop release button at your desired tuner band TUNING AM FM STATIONS Upon selecting AM or FM band use TUNE 44 DBP on the AVR 4 to perform slow manual search press and hold to automatically search The front panel lt gt or AVR 4 s B buttons can also be used to tune for stations 1 Press B momentarily to step up or down between AM or FM frequencies 2 Press and hold D for more than 2 seconds to search up or down the T 748 s tuner will stop at the next sufficiently strong signal it encounters 3 Pressing the D during the search process will stop the search DIRECT TUNING If you know your desired stations frequency allocation you can tune directly to the station 1 Toggle ENTER button to switch between Preset and Tune mode see the lower line of the VFD Select Tune mode 2 Using the numeric keys of the remote control key in the frequency allocation of the station For example to enter 104 50MHZz press 1
32. R SURR L SURR BL and SURR BR to the respective channel input of a power amplifier or amplifiers driving the corresponding applicable speakers e SURR BL and SURR BR are also assigned as secondary ZONE 2 OUT This is applicable only if Zone 2 is the selected setting of Back Amp in the Amplifier Setup menu For further information refer to the item about ZONE 2 CONTROLS at the USING THE T 748 MAIN MENU segment of the OPERATION section e Unlike the full range channels there is no power amplifier built into the T 748 for a subwoofer Connect the SUBW output to powered active subwoofers or to power amplifier channels driving a passive system NOTE Never connect both the external amplifier and T 7485 speaker outputs to the same set of speakers 14 SPEAKERS e Connect the respective speakers FRONT L FRONT R CENTER SURR R SURR L SURR BACK L and SURR BACK R 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 e SURR BACK L and SURR BACK R can be assigned as Zone 2 speaker level output This is applicable only if Zone 2 is the selected setting of Back Amp in the Amplifier Setup menu For further information refer to the item about ZONE 2 CONTROLS at the USING THE T 748
33. R 4 s numeric buttons 22 is the corresponding library code for T 517 3 Press ENTER while still holding down the device button BD The BD device selector will flash once to indicate that the library input is successful Both the device selector button BD and ENTER can now be released 12 RESET THE AVR 4 TO ITS DEFAULT SETTINGS The AVR 4 can be restored to its factory settings including default libraries via the following procedures 1 Press and hold ON and DELETE buttons for about 10 seconds until the AMP device button lights up Within two seconds of the AMP device button lighting up release both buttons If the reset mode is successful the BD device button will flash twice TABLE OF LIBRARY CODES APPLICABLE TO AVR 4 REMOTE CONTROL LIBRARY CODE NAD PRODUCT DESCRIPTION 10 Default library for AMP page 11 Zone 2 20 C515BEE C545BEE C 565BEE 21 T 535 T 585 M55 DVD section of L 54 VISO TWO VISO FIVE 22 1513 1 514 1 515 1517 23 1587 1 557 1577 M56 30 IPD 1 31 IPD 2 40 Default library for TUN page Tuner section of C 725BEE T 175 1737 1 748 1755 T 765 1775 1 748 4 C422 C 425 C 426 42 C 445 NOTE The AVR 4 may not necessarily contain all the control buttons applicable for the above mentioned NAD products Use the prescribed remote control of the specific NAD product for a full compliment of the applicable remote control buttons IDENTIFICATION OF CONTROLS AVR
34. S PARLEURS 82 120V VERSION ONLY 3 MONITOR OUT Connect to the video input of a monitor television using quality dual RCA cables designed for video signals 4 AUDIO 3 IN OUT Connect AUDIO 3 OUT to the corresponding analog audio input of a recording component such as a cassette deck CD recorder or to an outboard audio video processor Connect AUDIO 3 IN to the component s corresponding analog audio output connectors The signal present at the AUDIO 3 OUT is determined by the source last selected via the front panel Source keys or the AVR 4 s input select keys with the exception of Source 3 or Source 4 If the default settings are maintained for both Source 3 and Source 4 analog audio input is AUDIO 3 and both their respective digital audio input is set to Off there will be no output at AUDIO 3 OUT when Source 3 or Source 4 is selected This prevents feedback through the recording component thereby preventing possible damage to your speakers 5 COMPONENT VIDEO INPUT Connect the Component Video Input to Component Video output of compatible source components typically a DVD player BD player digital cable box or other applicable components Be sure to observe consistency in connecting the Y Pb Pr jacks to the corresponding sources 6 ZONE2 Send zone selected audio source to the corresponding audio input of a separately located additional amplifier or receiver not supplied that can power its matching set of sp
35. Source select Off at the Digital Audio setting of the same Source menu VIDEO There are four types of video input a particular Source could be assigned These are HDMI Comp Component S Vid S Video and Video inputs A fifth option is Off wherein the particular Source is prompted not to select any Video input Navigate through the Video input selections by pressing B and then to step through the selections The following are the sets of assignable Video input HDMI gt HDMI 1 HDMI 2 HDMI 3 HDMI 4 Component Video gt Comp 1 S Video gt S Vid 1 S Vid Fr Video gt Video 1 Video 2 Video Front VIDEO FORMAT CONVERSION The T 748 is equipped with a Video Format Converter This allows for a simplified video connection between the T 748 and your TV Monitor when using multiple video formats such as Composite CVBS S Video and Component YUV This format change is accomplished by encoding the analog video signal into a digital signal using a very high quality digital encoder to maintain the best possible picture quality Once in digital format the video input signal could also be available at the other Monitor output jacks including HDMI MONITOR OUT Thus you do not have to necessarily assign the video output of a composite video input signal to MONITOR OUT Composite video The composite video input signal can be viewed also at HDMI MONITOR OUT at a resolution setting dependent upon your
36. T748 AV Surround Sound Receiver Source 1 volume z deE XIDOLBY dts HD TRUE Master Audio Homi Owner s Manual IMPORTANT SAFETY INSTRUCTIONS WITHIN THE PRODUCTS ENCLOSURE THAT MAYBE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED DANGEROUS VOLTAGE THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE SERVICING INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE APPLIANCE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE SAVE THESE INSTRUCTIONS FOR LATER USE FOLLOW ALL WARNINGS AND INSTRUCTIONS MARKED ON THE EQUIPMENT Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block any of the 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 a
37. Tuner The Zone feature allows one to simultaneously experience in a different zone of the house selected audio from any of the enabled Sources as well as from iPod Front MP and Tuner Select On to activate Zone 2 When activated the Source input for Zone 2 can be allocated by selecting through the following inputs All enabled Sources iPod Front MP and Tuner As long as the associated Source input is active it will continuously be available at ZONE 2 output port in the rear panel regardless of the Main Zone settings For example while the T 748 is at Source 1 mode you can set the Zone 2 Controls Source item to Source 3 the active Source 3 s audio output will be directed to ZONE 2 output port in the rear panel even though the T 748 is at Source 1 mode 16 You can then feed the ZONE 2 jacks to another amplifier or receiver that maybe located in another area of your home or building With your separate amplifier or receiver selecting the fed signal and with speakers connected you can then enjoy the zone selected sources audio signal Adjust the volume control of your amplifier or receiver according to desired audio level Ifa Zone 2 is set to Off it is deactivated or powered off ZONE 2 AT AUDIO PRE OUT SURROUND BACK SURR BACK L and SURR BACK R channels of AUDIO PRE OUT can be assigned as Zone 2 OUT This is applicable only if Zone 2 is the selected setting of Back Amp in the Amplifier Setup me
38. Tx Music Center Width 3 Dimension om Panorama OTT Several of the T 748 s listening modes have one or more selectable variations and adjustable parameters that you can modify to suit your system or personal preferences At Listening Mode menu use a combination of w keys to navigate and achieve desired settings NOTE Listening Mode parameter changes are maintained when you change listening modes You may also save a modified Listening Mode for easy recall by saving it to a Preset See A V Presets Setup below under Setup Menu discussions PRO LOGIC IIx PLIIx MOVIE is optimized for film soundtracks PLIIx MUSIC for music recordings Center Width 0 to 7 Modifies the hard centeredness of the center image by gradually mixing mono center content to the Front left right speakers as well A setting of 0 retains the center channel only default while a setting of 7 yields a fully phantom center channel Dimension 3 to 3 Adjusts front rear emphasis of the surround effect independently from the relative channel levels Panorama On Off Adds a wraparound effect by extending some stereo content into the surround channels NOTE Pro Logic IIx mode will decode as Pro Logic II mode when the BACK surround speakers are set to Off from Speaker Configuration menu See also section about Speaker Configuration under Speaker Setup of the Setup Menu DTS NEO 6 NEO 6 Cinema is optimized
39. articularly useful if only few Sources are used and one directly selects the Source from the front panel bypassing unused sources Select Yes to enable the particular Source or No to disable the Source NAME A new Name maybe assigned to a Source label For example if your BD player is attached to Source 1 it is possible to rename Source 1 to BD In order to rename the Source label scroll to the Name parameter Press D to go to the first character Then press a v to pick through the alphanumeric selections Press D to move to the next character and at the same time save the changes done on the current character The name can be as long as eight characters The new Name will be shown in the VFD as well as on the OSD ANALOG AUDIO The T 748 has five analog audio inputs These analog inputs Audio 1 Audio 2 Audio 3 Audio Fr Front and Audio MP can be variably assigned to each Source Scroll to Analog Audio and then press and then a vw to select and assign an analog audio input to the particular Source NOTE An incoming digital signal present at the assigned digital input will always take precedence over the assigned analog audio input even if both are present To maintain the analog audio input for the particular Source select Off at the Digital Audio setting of the same Source menu GAIN Gain adjustment allows all sources to play back at the same volume lev
40. broadcasts The T 748 has a Digital Audio Broadcast DAB module socket on the rear panel for adding a separately sold and NAD specified outboard DAB module the NAD DAB Adaptor DB 1 or the DAB NAD DAB Adaptor DB 2 All the control software for this format is included just plug in the module and start enjoying the CD like quality sound and expansive content selection available with DAB IMPORTANT NOTICE Unless otherwise specifically stated navigating or accessing DAB functions can be undertaken by using either the AVR 4 remote control or the front panel buttons If the control button or icon button being referred to is available on the AVR 4 remote control and front panel then the reference to said button is applicable to both the AVR 4 remote control and front panel NOTES e When using the AVR 4 remote control to carry out DAB commands ensure that the DEVICE SELECTOR is set to TUN e At DAB mode and with DEVICE SELECTOR set to TUN AVR 45 TUNER MODE button has the same function as that of front panel s MENU button e Inthe DAB discussions below all control buttons mentioned are with reference to the AVR 4 remote control CONNECTING THE DAB MODULE Plug in the other end of the DIN connector supplied with your NAD DAB Adaptor from the DAB module s output port into the corresponding DAB module input socket on the rear panel of the T 748 Select DAB mode on the T 748 by toggling the AM FM DB button in the AVR 4 remo
41. channel you will experience improved dynamics and a better sensation of movement within the sound field If media sources recorded in Dolby Digital EX are decoded with a Digital EX decoder the format is detected automatically and the Dolby Digital EX mode is selected However some media sources recorded in Dolby Digital EX can be detected as simple Dolby Digital media sources In this case Dolby Digital EX should be selected manually NOTE Please refer to the section Listening Mode at the Main Menu discussions for a description of Pro Logic PLIIx Movie PLIIx Music and Stereo Downmix modes DTS The Digital Theater System Digital Surround simply called DTS is a multi channel digital signal format that can process higher data rates than with Dolby Digital Although both Dolby Digital and DTS are 5 1 channel media formats discs bearing the DTS symbol are thought to provide better sound quality due to the lower audio compression required It also offers a broader dynamic producing magnificent sound quality A DTS audio input can be configured relative to its format as follows Stereo If the detected audio is of Dolby stereo format you can default it to one of the following settings Stereo PLIIx Movie PLIIx Music PLIIx Game Neo 6 Cinema or Neo 6 Music Surround If the detected audio is of DTS Surround format you can default it to one of the following settings Stereo PLIIx Movie PLIIx Music Neo 6 Cinema Neo 6 Mus
42. d that is more similar to Dolby Digital decoding For two channel signals PLIIx Music mode also features three additional user controls Dimension Center Width and Panorama See also section about Adjusting Listening Modes below The following chart shows the channels available assuming they are enabled in the Speaker Configuration menu Listening Mode Active Decoded Output Channels Two Channel coure 6 1 Speaker System 7 1 Speaker System PLIIx Music Front left and right Center Front left and right PLIIx Movie Surround left and right Back Center Surround Surround Subwoofer left and right Back Surround left and right Subwoofer NEO 6 Two channel recordings whether stereo or surround encoded are reproduced with NEO 6 surround with output to front left right center and discrete left right surround channels plus subwoofer assuming these are present in the current Speaker Configuration The T 748 provides two DTS NEO 6 variations NEO 6 Cinema and NEO 6 Music See also section about Adjusting Listening Modes below EARS Two channel recordings whether stereo or surround encoded are reproduced with proprietary NAD surround processing with signal output to the front left right center and discrete left right surround channels plus subwoofer assuming these are present in the current Speaker Configuration EARS does not employ the surround back speakers if any EARS extracts t
43. d centre in reproduction providing a total of 6 1 channels The expanded DTS ES Surround includes two formats with two different methods of surround signal recording as follows DTS ES DISCRETE 6 1 Since the signals of the 6 1 Surround channels including the back channel are completely independent it is possible to achieve the sensation that the acoustic image is moving about freely among the background sounds 360 degrees surrounding the listener Although maximum quality is achieved with sound tracks recorded using this system and reproduced using the DTS ES decoder when played with a conventional DTS decoder the back surround channel is automatically downmixed in the surround right and surround left channels of the surround system in such a way that none of the signal components are lost 24 DTS ES MATRIX 6 1 In this format the additional signals of the back channel receive a matrix encoding and are inputted into the right and left surround channels During reproduction they are decoded to the right left and back surround channels Since this bit stream format is 100 compatible with conventional DTS signals the DTS ES Matrix 6 1 format effect can also be achieved from sources with DTS ES 5 1 signals Naturally it is also possible to reproduce from a DTS 5 1 channel decoder signals recorded in DTS ES 6 1 When a DTS ES decoder processes a discrete DTS ES 6 1 or in Matrix 6 1 these formats are automatically detec
44. d microphone in the listening position at about the same height as your listening ears The microphone has a threaded insert at its base that makes possible for it to be mounted on a tripod Auto Calibration Please connect the measurement microphone to the T748 Position the microphone in the main listening position at ear height opel The sound at your main listening position is setup using the supplied microphone Depending upon the availability of speakers you can select either 7 1 or 5 1 setup Upon selection of either 7 1 or 5 1 the auto calibration starts refer to the OSD as auto calibration steps through each measurement parameter A special test tone is sent to each speaker and the data is memorized by the T 748 The duration of setup may take some time depending on the number of speakers After the measurements the T 748 calculates the ideal system response for your particular room and speaker setup If some inconsistencies or discrepancies are detected during the setup the process maybe interrupted or the problem is shown in the particular setup window A notice screen is correspondingly displayed After following and undertaking the displayed instructions re start the Auto Calibration setup again When the measurements are finalized the ideal system response is calculated for your particular room and speaker setup NOTES e Auto calibration is possible only for a 7 1 or 5 1 speaker configuration For other
45. delines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical 1 lt I gt n GROUND CLAMP N eg H N Dr sas A lt POWER LINES LT STAND OFF T INSULATORS b SERVICE 7 1 ENTRANCE ines CONDUCTORS MAST G ANT ENNA SERVICE ENTRANCE LEAD IN WIRE EQUIPMENT GROUND CLAMPS GROUND WIRE a b X T ANTENNA DISCHARGE oe UNIT C POWER SERVICE GROUNDING W ELECTRODE SYSTEM a GROUND gt e g Interior metal water pipe BONDING JUMPER d WIREa amp b TO EXTERNAL maa GROUND TERMINALS CLAMPS OF PRODUCT OPTIONAL ANTENNA GROUND ING ELECTRODE DRIVEN 8 FEET 2 44M INTO THE EARTH IF REQUIRED BY LOCAL CODES SEE NEC SECTION 810 21 f FCC NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or
46. e Adjusting the volume level via the AVR 4 or the front panel volume knob will automatically release the mute function 9 SURR Select desired listening or surround mode 10 IDENTIFICATION OF CONTROLS AVR 4 REMOTE CONTROL 10 AVOLV e Increase or decrease loudness level Release the button when desired level is reached e TheVFD 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 4 s VOL A F buttons 11 a w D ENTER Select an item in a menu 12 SLEEP Switch off the NAD Receiver or Tuner after a preset number of minutes SLEEP MODE The Sleep Mode timer will switch the T 748 to Standby mode automatically after a preset number of minutes Pressing the AVR 4 s SLEEP button once will display the current setting of the sleep time mode or remaining time before the T 748 goes to standby mode Pressing the AVR 4 s SLEEP button a second time within a 3 second period will change the sleep time mode to the next sleep time setting Each consecutive press increases the sleep time in 15 minute increments from 15 to 90 minutes To cancel the sleep mode continue pressing the AVR 4 s SLEEP button until Sleep Off is displayed on the VFD Switching the T 748 to standby mode from either the AVR 4 s OFF or the T 748 s Standby button will also cancel the sleep mode 13 EQ Enable or disable
47. e that Presets must have been previously stored Refer also to the item about STORING PRESETS AM FM at the LISTENING TO AM FM RADIO section of the OPERATION page DAB mode 230V version model only e Use front panel lt gt and ENTER buttons in combination with MENU button to select through applicable DAB menu options MENU e Press to activate or deactivate OSD menu s At DAB mode use the MENU button in combination with the front panel lt gt and ENTER buttons to activate DAB menu options LISTENING MODE e Toggle to select through the various Listening mode options e Depending on the format of the currently selected input digital or analog stereo or multichannel various listening modes are available e Refer also to the item about LISTENING MODE under the USING THE T 748 MAIN MENU segment of the OPERATION section VACUUM FLUORESCENT DISPLAY VFD e Displays visual information about the current settings like the active Source volume level listening mode audio format applicable RDS DAB as well as iPod related display information and other related indicators e Refer also to the item about DISPLAY SETUP under the USING THE T 748 SETUP MENU segment of the OPERATION section REMOTE SENSOR e Point the AVR 4 remote control at the remote sensor and press the buttons e Donot expose the remote sensor of the T 748 to a strong light source such as direct sunlight or illumination If you do so you
48. eakers Use high quality patch cables to reduce noise pickup over long distance runs 7 DAB MODULE INPUT 230V version model only The T 748 is compatible only with the NAD DAB Adaptor module models DB 1 or DB 2 e Plug in the other end of the Mini Din connector from the NAD DAB Adaptor module output port into this socket e With DAB you can receive CD like quality programs without any annoying interference and signal distortion e Refer also to the LISTENING TO DAB RADIO segment of the OPERATION section NOTE The external NAD DAB Adaptor module is not supplied with your T 748 8 HDMI HDMI 1 4 HDMI MONITOR OUT e Connect the sets of HDMI input to the HDMI OUT connectors of source components such as DVD player BD player or HDTV satellite cable box Connect the HDMI Monitor OUT to a HDTV or projector with HDMI input WARNING Before connecting and disconnecting any HDMI cables both the T 748 and the ancillary source must be powered OFF and unplugged from the AC outlet Failure to observe this practice may cause permanent damage to all equipment connected via HDMI sockets 9 DIGITAL AUDIO COAXIAL 1 2 OPTICAL 1 2 e Connect to the corresponding optical or coaxial digital output of sources such as CD or BD DVD players digital cable box digital tuners and other applicable components e Coaxial and Optical digital input association is configurable via the Source Setup item of the Setup Menu OSD 10 IRIN e This
49. eakers manually or if you already had Auto Calibration but would like to make adjustments Speaker Configuration Speaker Levels and Speaker Distance can be manually set up via their respective setup menu 19 OPERATION USING THE T 748 SETUP MENU SPEAKER CONFIGURATION Speaker Configuration Small 80Hz Center Small 80Hz Surround Small 80Hz Back Small 80Hz Subwoofer On Front Every surround sound system requires bass management to direct low frequency content from any or all channels to the speakers best able to reproduce it For this function to operate correctly it is important that you correctly identify your speakers capabilities We use the terms Small and Large and Off but note that physical size may be irrelevant e A Small speaker is any model regardless of physical size that lacks significant deep bass response that is below about 150 Hz e A Large speaker is any full range model that is one with deep bass response e An None speaker is one that is not present in your system For example you might not have any surround back speakers installed in that case you would set the Back setup item to None The Speaker Configuration is global that is it remains in force with all inputs and in all listening modes However speaker settings are part of the T 748 s A V Preset system Consequently multiple speaker settings can be stored for easy recall as differ
50. ed above at Dolby Setup the only difference being the soundtrack is now in DTS format DTS Neo 6 Music Please refer to the same description of NEO 6 Music under the ADJUSTING LISTENING MODES segment of the OPERATION USING THE T 748 MAIN MENU DTS SURROUND MODES The following are further descriptions of DTS surround modes DTS HD MASTER AUDIO DTS HD Master Audio is a technology that delivers master audio sources recorded in a professional studio to listeners without any loss of data preserving audio quality DTS HD Master Audio adopts variable data transfer rates facilitating data transfer to the maximum rate of 24 5 Mbps in the Blu ray disc format 18 0 Mbps in the HD DVD format which by far exceeds that of a standard DVD These high data transfer rates enable lossless transmission of 96 kHz 24 bit 7 1 channel audio sources without deteriorating the quality of the original sound DTS HD Master Audio is an irreplaceable technology that can reproduce sound faithfully as intended by the creator of music or movies DTS ES EXTENDED SURROUND DTS ES This is a new multi channel digital format which greatly improves the 360 degrees spatial sensation of the Surround impression thanks to the greater space expansion of the surround signals providing high compatibility with the conventional DTS format In addition to the 5 1 channels the expanded DTS ES Surround also offers the back surround also sometimes called the surroun
51. el so you don t need to adjust the volume every time a new source is selected It is generally preferable to reduce the level of the loudest source rather than making louder the softer sources Scroll to Gain press B and then a v to step through the desired level from 12dB to 12dB 17 OPERATION USING THE T 748 SETUP MENU DIGITAL AUDIO To take advantage of the T 748 s high performance surround and digital audio circuitry it is advisable that its Digital Audio inputs are selected There are three types of Digital Audio input for the T 748 These are HDMI Optical and Coaxial digital inputs A fourth option is Off whereby no incoming digital audio signal is selected by the particular Source The desired digital audio input for a particular Source can be selected by scrolling to Digital Audio press B and then a v to step through the desired digital input source After finalizing the desired type of Digital Audio input press B and then a v again to select the specific Digital Audio input The following are the sets of assignable Digital Audio input HDMI gt HDMI 1 HDMI 2 HDMI 3 HDMI 4 Optical gt Optical 1 Optical 2 Optical Fr Coaxial gt Coaxial 1 Coaxial 2 NOTE An incoming digital signal present at the assigned digital input will always take precedence over the assigned analog audio input even if both are present To maintain the analog audio input for the particular
52. ent types of recordings or listening modes require Speaker Configuration can be managed and adjusted by pressing a combination of and then a vw keys Set Front Center Surround and Back to Large Small Small 60Hz up to Small 150Hz or None as your subsystem s speakers require Set Subwoofer to On or Off selecting On only if you have a subwoofer connected to the T 7485 SUBW output jack If the Subwoofer is set to Off Front speaker will automatically be set to Large ENHANCED BASS When the subwoofer is set to On and Front is set to Large Enhanced Bass becomes available Normally with speakers set to Large the subwoofer is not active The Enhanced Bass option allows full range operation of the speakers with the additional bass contribution of the subwoofer This feature is particularly useful when one wants to experience maximum bass output Please note that due to acoustic cancellation effects the bass response may be uneven when using this setting You can set Subwoofer to On even with Large front speakers in which case bass content from any channels set to Small will be routed to both the subwoofer and to the front speakers LFE channel signal will pass only to the sub In most subwoofer equipped systems setting front speakers to Small is usually the better option All the speakers low frequency content can be direc
53. espond to remote control commands No RDS information Display shows No Service List POSSIBLE CAUSES e AC power unplugged e Power not switched on e Outlet has no power e Mute function is activated e Faulty missing cables e Speaker Configuration channel s set to OFF e No surround listening mode is engaged e Surround channels set to OFF on Speaker Configuration menu e Surround channels level set too low on Speaker Levels menu e Subwoofer is off not powered or improperly connected e Subwoofer set to OFF on Speaker Configuration menu e Subwoofer level set too low on Speaker Levels Menu e Source is a 2 0 etc Dolby Digital or DTS recording without center channel e Center set to OFF on Speaker Configuration menu e Center level set too low on Speaker Levels menu e Sources digital output is not connected to a T 748 digital input Source component not configured for multichannel digital output Batteries are flat or incorrectly inserted Infrared receiver IR window of T 748 or IR transmitter of the remote control is obstructed e T 748 front panel is in very bright sunlight or ambient light e Station signal too weak e Station not transmitting RDS data DAB antenna not connected properly e No DAB coverage in the area REFERENCE TROUBLESHOOTING POSSIBLE SOLUTIONS
54. ess PAUSE II during playback to stop playback temporarily Resume play by pressing PAUSE II again or PLAY DP d APPLICABLE ONLY IN iPod MENU MODE Press to return to a previous option or menu selection Press B to move forward an option or make a selection ENTER APPLICABLE ONLY IN SIMPLE MODE Press ENTER to select an option or start playback 36 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 players own display screen to make full use of its feature there is no OSD at this condition In addition to the above commands common to the DR 1 below are the descriptions of the other DR 1 control buttons LIGHT Press LIGHT to turn ON the backlight of your iPod player if it is at idle mode MENU Press MENU to return to previous option or menu selection ENTER Press ENTER to select an option or start playback REPEAT Toggle to initiate repeat mode as follows repeat one song repeat all songs or cancel repeat mode X RANDOM Toggle to initiate playback in random order There are three random modes Shuffle Song Shuffle Album or Shuffle Off TO VIEW VIDEOS OR PHOTOS LOADED IN YOUR iPod Videos or photos uploaded in your iPod can be viewed directly via the T 748 The following are the steps 1 Make sure that the
55. f each speaker automatically imposes the correct delays optimizing imaging intelligibility and surround sound ambience Enter your dimensions with precision within about 1 foot 30 cm SETTING SPEAKER DISTANCE While at Speaker Distance menu use the w keys to individually set Front Left Center Front Right Surround Right Back Right Back Left Surround Left and Subwoofer to the distance measuring from your principal listening position to the front surface of their corresponding loudspeakers Distance can be set up to 30 feet or 9 0 meters Distance can be displayed as feet or meters selectable at the Unit of Measure item ADJUSTING THE VOLUME Ve IZ U SETUP MUTE gt gt lt j res v FN POP UP SE In addition to the Volume knob use the AVR 4 s VOL A to adjust the master volume of the T 748 raising or lowering the channels altogether A momentary keypress will change the master volume by 1 dB increments If you hold down VOL A the master volume change will run on until the key is released Since recordings vary considerably in overall average level there is no imperative to listen at any particular master volume setting A setting of 20dB may sound as loud from one CD or DVD as 10dB does from another OPERATION USING THE T 748 SETUP MENU The T 748 will power up from Standby mode at whatever master volume setting was last used however if the prior setting was greater than
56. for film soundtracks NEO 6 Music for music recordings Center Gain 0 to 0 5 Adjust for better center image in relation to the surround sound channels 15 OPERATION USING THE T 748 MAIN MENU DSP OPTION DSP Option Lip Sync Delay LIP SYNC DELAY DSP Options has the feature Lip Sync Delay whose function is to match any delay that may occur in the picture relative to the audio By varying Lip Sync Delay from Oms to 120ms one can delay the audio output in order to synchronize it with the video image TONE CONTROLS Tone Controls Off Treble 0dB Bass 0dB The T 748 has two Tone Control levels Treble and Bass Bass and Treble controls only affect the low bass and high treble leaving the critical midrange frequencies free of coloration These controls allow one to tweak on the fly the frequency response of the source during playback The control setting could be adjusted by navigating through the Tone Controls OSD menu via a combination of ENTER and 4 D a vw jkeys Maximum and minimum values for all three Tone Control levels are 10 dB Tone Defeat gives one the choice of varying or completely bypassing the tone control section of the T 748 If Off is selected the Tone Control circuits are active Select On to bypass the Tone Controls effectively defeating the effect of the tone control circuits ZONE 2 CONTROLS Zone 2 Controls Off Source Analog
57. g signal can be listened to and the noise between stations is muted Pressing the TUNER MODE button again FM STEREO OFF allows distant and potentially noisy stations to be received Noise is reduced if the FM station signal level is less than the FM Stereo threshold since mono FM is inherently less noise prone though at the sacrifice of the stereo effect ABOUT USER NAMES A particular Preset number can be assigned an eight character User Name The assigned User Name will be shown in the VFD whenever the associated Preset number is recalled ENTERING USER NAMES To assign a Preset number with the user name NEWS follow the procedure as below 1 Recall the desired Preset number 2 Then press and hold INFO of the AVR 4 until the display shows a flashing cursor point 3 Use the a v buttons to select the first character of the name N from the alphabetical list 4 Press D button to select the character and correspondingly move forward to the next position Press 4 to go back to the previous character Repeat this process for each character in sequence 5 Press the INFO key to store the User Name and exit the text entry mode ABOUT RDS The Radio Data System RDS permits sending small amounts of digital information using conventional FM radio broadcasts The T 748 supports two RDS modes program service name PS mode and radio text RT mode Not every FM station incorporates RDS in its broadcast
58. g the T 748 with your own iPod player you can enjoy listening to your favorite tracks and playlists as well as view applicable still image and video playback You can control your iPod player using the assigned buttons in the T 748 front panel And with the corresponding AVR 4 remote control function keys you can select the materials stored in your iPod for playback as well as access many of its functions even from across the room The optional NAD IPD also charges your iPod player while it is connected to the T 748 NOTES e NAD IPD Dock for iPod NAD IPD currently has two versions the NAD IPD 1 and NAD IPD 2 These two NAD IPD models and later variants are compatible with the T 748 e NAD IPD and iPod player are not supplied with your T 748 e iPod player functions features and playback capabilities accessible through T 748 may vary depending on your iPod player model e When using the AVR 4 to control the iPod functions make sure that the Device Selector is set to MP CONNECTING THE OPTIONAL NAD IPD AND iPod PLAYER TO THE T 748 Make sure that all the devices are unplugged before making the connections 1 Connect the NAD IPD s DATA PORT to the corresponding MP DOCK data port of the T 748 2 Connect also the NAD IPD s S Video out and audio out to the T 748 AUDIO 2 S VIDEO input the default iPod source allocation in the T 748 3 Dock your iPod player into the NAD IPD NAVIGATING THE IPOD PLAYER S FUNCTIONS
59. gs set forth at the PCM option See discussion below about PCM DOLBY DIGITAL SURROUND MODES The following are further descriptions of Dolby Digital surround modes DOLBY DIGITAL PLUS Dolby Digital Plus is the next generation audio technology for all high definition programming and media It combines the efficiency to meet future broadcast demands with the power and flexibility to realize the full audio potential expected in the upcoming high definition era Built on Dolby Digital the multi channel audio standard for DVD and HD broadcasts worldwide Dolby Digital Plus was designed for the next generation A V receivers but remains fully compatible with all current A V receivers Dolby Digital Plus delivers multi channel audio programs of up to 7 1 channels and supports multiple programs in a single encoded bitstream with the maximum bit rate potential of up to 6 Mbps and the maximum bit rate performance of up to 3 Mbps on HD DVD and 1 7 Mbps on Blu ray Disc It outputs Dolby Digital bitstreams for playback on existing Dolby Digital systems Dolby Digital Plus can accurately reproduce the sound originally intended by directors and producers It also features multi channel sound with discrete channel output interactive mixing and streaming capability in advanced systems Supported by High Definition Media Interface HDMI a single cable digital connection is possible for high definition audio and video DOLBY TrueHD Dolby TrueH
60. h station that has acceptable signal strength The T 748 will automatically assign a preset number to each station and then search for the next station Up to 30 of the best received FM stations or 30 AM stations will be automatically stored DIRECT RECALL OF A PRESET NUMBER You can directly recall a desired Preset number 1 Toggle ENTER button to switch between Preset and Tune mode see the lower line of the VFD Select Preset mode 2 Using the numeric keys of the remote control directly key in your desired Preset number For example to enter Preset 5 press 5 DELETING A STORED PRESET You can empty a preset by deleting the stored information 1 Select the preset number to be deleted 2 While at the selected preset number press the DELETE button 3 The preset will then be deleted Delete is briefly shown in lower line of the VFD 4 To clear all the Presets at the same time repeat step 2 again but this time do not release the DELETE button Press and hold DELETE button until the current Preset number shown in the VFD is extinguished P Delete All is briefly shown in lower line of the VFD All Presets are now deleted 29 OPERATION LISTENING TO AM FM RADIO CHOOSING THE TUNER MODE The AVR 4s TUNER MODE key is a dual purpose control Toggle TUNER MODE to switch between FM STEREO ON and FM STEREO OFF In the normal position FM STEREO ON only the stations with a stron
61. he natural ambience present in nearly all well produced stereo recordings It does not synthesize any ambience or other sonic elements and thus remains truer to the sound of the original musical performance than most other music surround options Select EARS for listening to stereo music recordings and broadcasts EARS produces a subtle but highly natural and believable ambience from nearly all natural acoustic stereo recordings Typically these include classical jazz and folk genres as well as numerous examples from others Its virtues include realistic stable front stage sonic imaging and spacious but unexaggerated ambient virtual acoustics that remain faithful to the original recording ENHANCED STEREO All recordings are reproduced in stereo via the maximum speaker complement configured in the current Speaker Configuration Enhanced stereo can be useful for maximum volume from all channels or for multi speaker background music cocktail party listening For this mode Front Center Surround and Back speakers can be turned ON OFF as desired ANALOG BYPASS All analog signals remain in the analog domain without analog to digital conversions At Analog Bypass the DSP circuitry is bypassed but full tone control functions remain Bass management or Speaker settings are also not in effect as these are DSP functions OPERATION USING THE T 748 MAIN MENU ADJUSTING LISTENING MODES Listening Mode ele MPLII
62. ic or None None If None is selected the DTS signal will be defaulted to the Stereo or Surround settings set forth at the PCM option See discussion below about PCM NOTE Please refer to the section Listening Mode at the Main Menu discussions for a description of Stereo Downmix and DTS NEO 6 surround modes OPERATION USING THE T 748 SETUP MENU PCM PCM Pulse Code Modulation is the digital representation of a standard audio signal converted with little or no compression If None is selected for any of the Dolby or DTS settings this PCM section will default the audio signal as follows Stereo The detected stereo audio format will be configured into one of the following options PLIIx Movie PLIIx Music PLIIx Game Neo 6 Cinema Neo 6 Music EARS or Enhanced Stereo Surround The detected surround audio format will be configured into one of the following options PLIIx Movie PLIlx Music Neo 6 Cinema Stereo or None ANALOG If the audio input is an analog signal the following are the surround modes the input can be defaulted Pro Logic PLIIx Movie PLIIx Music NEO 6 Cinema NEO 6 Music EARS Enhanced Stereo Analog Bypass and None NOTE All these Listening Modes for Dolby Digital DTS PCM and Analog can be directly changed by pressing the Listening Mode button on the front panel or through the Listening Mode option at the Main Menu window The chosen audio format wil
63. 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 748 from a remote location 11 MP DOCK The T 748 is equipped with a data port in the rear panel where an optional NAD IPD NAD IPD Dock for iPod 1 NAD IPD 2 and later variants can be plugged in e Connect the MP DOCK DATA PORT jack of the T 748 to the corresponding DATA PORT socket of the optional NAD IPD model e AUDIO 2 IN and S VIDEO IN are the assigned default ports for the audio video output of the separately sold NAD IPD NAD IPD Dock for iPod 1 NAD IPD 2 and later variants e Refer also to the LISTENING TO YOUR iPod PLAYER segment of the OPERATION section NOTE The NAD IPD Dock for iPod is not supplied with your T 748 12 RS 232 NAD is a certified partner of AMX and Crestron and fully supports these external devices Check out the NAD website for information about AMX and Crestron compatibility with NAD See your NAD audio specialist for more information e Connect this interface using RS 232 serial cable not supplied to any Windows compatible PC to allow remote control of the T 748 via compatible external controllers IDENTIFICATION OF CONTROLS REAR PANEL 13 AUDIO PRE OUT ZONE 2 e The AUDIO PRE OUT makes it possible to use the T 748 as a pre amplifier to external power amplifiers for some or all channels Connect FRONT L FRONT R CENTER SURR
64. ions Station Name Program Type 4 Ensemble Name b Time and Date d Audio Signal information 4 Channel and frequency b Signal Q 4 Software version STATION NAME The name or identification of the DAB broadcast station is shown DLS Dynamic Label Segment DLS is the scrolling text supplied by the broadcasting station It may contain information on music titles or details regarding the program or station PROGRAM TYPE This is a description of the type of broadcast supplied by the station such as Pop Rock Drama and the likes ENSEMBLE NAME Displays the name of the ensemble on which current service is found TIME AND DATE The current time and date as supplied by the DAB station are displayed AUDIO SIGNAL INFORMATION Displays the bit rate and audio type stereo mono or joint stereo as transmitted by the DAB broadcast provider These are set by the broadcaster to suit the type and quality of material being transmitted CHANNEL AND FREQUENCY The channel and frequency of the currently tuned DAB broadcast are displayed SIGNAL QUALITY This displays the digital error rate 0 to 99 of the currently tuned channel the lower the figure the better the quality of the received broadcast SOFTWARE VERSION Show the version number of the installed software 34 The T 748 is equipped with a data port in the rear panel where an optional NAD IPD Dock for iPod NAD IPD can be plugged in With the NAD IPD linkin
65. l be reflected back to the appropriate setting at the Listening Mode Setup DOLBY SETUP Dolby Setup Dolby Digital Dyn Range Ctrl 100 Dolby Prologic IIx Music Center Width 7 3 Dimension Panorama URT Under this menu the Dolby Digital s Dynamic Range Control can be adjusted as well as the settings for Dolby Digital Pro Logic IIx Music Dyn Range Ctrl You can select the effective dynamic range subjective range from soft to loud for playback of Dolby Digital soundtracks For fully cinematic effect always select 100 the default Settings of 75 50 and 25 progressively reduce dynamic range making soft sounds comparatively louder while limiting the peak loudness of loud ones The 25 setting will yield the least dynamic range and is best for late night sessions or other times when you wish to retain maximum dialog intelligibility while minimizing overall volume levels Dolby Pro Logic IIx Music Please refer to the same description of PLIIx Music under the ADJUSTING LISTENING MODES segment of the OPERATION USING THE T 748 MAIN MENU 23 OPERATION USING THE T 748 SETUP MENU DTS SETUP DTS Setup DTS Digital Surround Dyn Range Ctr ieee DTS Neo 6 Music Center Gain Under this menu the Dynamic Range Control of DTS Digital Surround can be adjusted as well as the settings for DTS Neo 6 Music Dyn Range Ctrl This is the same configurable Dynamic Range Control feature as describ
66. ll be temporarily shown if Off is selected at Display option as described above OPERATION USING THE T 748 SETUP MENU A V PRESETS SETUP AZV Presets Setup Preset aal Name Preset 1 Listening Mode Yes DSP Options Yes Tone Controls Yes Speaker Setup No Display Setup No Save Settings to Setup Load Defaults to Preset The T 748 s simple but powerfully flexible system of A V Presets allows you to customize virtually every aspect of your audio video playback and recall them with a single key press The parameters Listening Mode DSP Option and Tone Controls accessible via the Main Menu together with Speaker Setup and Display Setup configurable through Setup Menu are stored together as a single A V Preset You might create one A V Preset optimized for pop music and another for classical One more A V Preset can be set up to recall each family member s favorite setting or one for fully cinematic home theater playback and yet another one for late night movies with each A V Preset fine tuned to a particular scenario or preference CREATING PRESETS Creating an A V Preset consists simply of storing a complete set of the parameters set forth in Listening Mode DSP Option and Tone Controls accessible via the Main Menu together with Speaker Setup and Display Setup configurable through Setup Menu Scroll to A V Presets Setup using the
67. may not be able to operate the T 748 with the remote control Distance About 23ft 7m from the front of the remote sensor Angle About 30 in each direction of the front of the remote sensor 8 SOURCE lt P gt Toggle through the input selections Source 1 Source 2 Source 3 Source 4 iPod Source 7 Front Input Media Player and Tuner AM FM DAB as applicable More Sources can be directly recalled upon enabling them at the Setup Menu Refer also to the item about SOURCE SETUP under the USING THE T 748 SETUP MENU segment of the OPERATION section 9 VOLUME The VOLUME control adjusts the overall loudness of the signal being fed to the loudspeakers or headphones Turn clockwise to increase the volume level counter clockwise to lower it 10 PHONES Accepts stereo headphone using a standard 1 4 inch stereo phone plug use a suitable adaptor for headphones equipped with a smaller plug Plugging in headphones automatically mutes output from the speakers For headphone listening the Front speakers must be set to Large at the Speaker Configuration of the Speaker Setup item at the Setup Menu otherwise headphone bass response will be restricted Plugging in headphones will automatically switch the T 748 to Stereo or Analog Bypass modes 11 FRONT INPUT PORTS Use these convenience jacks for occasional sources such as a camcorder video game console any analog audio or optical digital audio sources and composite
68. mplifiers 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 is provided for your safety When the provided plug does not fit 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 the attachments accessories specified by the manufacturer 12 Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a Wwa 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 qualified 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 N Qu BWN NOTE TO CATV SYSTEM INSTALLER This reminder is provided to call the CATV system installer s attention to Section 820 40 of the NEC which provides gui
69. nd to applicable common remote control DEVICE SELECTOR codes This includes other NAD Stereo Receiver Integrated Amplifier and Preamplifier models It has 2 additional controls to remotely operate NAD CD Players AM FM Tuners and dedicated AM FM DAB INPUT 2 Tuners It will operate up to a distance of 23ft 7m Alkaline batteries are recommended for maximum 1 J J operating life Two AA batteries should be fitted in the battery compartment at the rear of the Remote INPUT 4 EZi Control handset When replacing batteries check that they have been put in the right way round as INPUT 7 indicated on the base of the battery compartment NOTE The remote control handset supplied with the T 748 is of a universal NAD type designed to operate several NAD models Some buttons are applicable only to specific NAD models Contact your dealer or NAD audio specialist for assistance 1 ON OFF The AVR 4 remote has a separate ON and OFF button e Press ON button to switch the T 748 from Standby to operating mode Press OFF button to switch the T 748 to Standby mode 2 DEVICE SELECTOR A Device Selector button determines only what component the AVR 4 will command it does not perform any function on the T 748 e Press desired Device Selector button for the applicable buttons to be directed to a page of commands relevant to the selected device Upon selecting a Device you can now press the corresponding AVR 4 cont
70. ng through the parameters at the Display Setup menu Use a combination of 4 D a v keys to step through the Display Setup menu items NOTE The configurations set forth at Display Setup are carried over whenever it is enabled during A V Presets setting Please see also the section below about AV Presets Setup VACUUM FLUORESCENT DISPLAY VFD Display Select On to display all applicable data or characters at the VFD Nothing will be shown at VFD if Off is selected At Off setting however whenever any of the front panel controls or their corresponding keys in the remote control is activated the appropriate VFD characters will be shown temporarily and then fade away Dimmer If it is desired to reduce the brightness of the VFD set Dimmer to Dim Otherwise select Bright to return to normal VFD brightness Line 1 Line 2 The VFD shows two main lines of data or characters Line 2 is the line of data or characters located at the lower bottom of the VFD while directly above it is Line 1 For both lines one can select which display could be shown by choosing through the following Source Shows the active Source Volume Current Volume level is shown Listening Md Selected Listening Mode is shown A Src Format Shows the active Source s detected audio format Off Select Off if it is desired not to show any data at the applicable Line Temp Line Choose between Line 1 and Line 2 as the desired line where VFD wi
71. nna professional for more information No Service List will be shown in the VFD when no DAB stations are found after the scanning process If this occurs check the connection and position of the DAB antenna or call your local DAB broadcast providers for coverage information SERVICE LIST Follow the steps below to select through the DAB service stations found 1 At DAB mode press D to step through the list of available stations as shown in the lower display line of the VFD 2 Press ENTER to select the desired station 31 OPERATION LISTENING TO DAB RADIO DAB TUNER MODE Aside from Full scan as already described above pressing TUNER MODE will also present you with other options namely Local scan Station order Dynamic range Manual tune Prune list and DAB reset Use D to step through these options An asterisk to the right of a menu option indicates that it is the currently selected option for a particular DAB menu For example lt Favourites gt means Favourites is the selected sequence for the DAB menu Station order LOCAL SCAN LOCAL SCAN performs local scanning of available DAB services in your area Check with your dealer or visit www WorldDAB org to check the applicable digital transmission frequencies in your area 1 While listening to a DAB broadcast press TUNER MODE button and then D to select Local scan Press ENTER 2 Local scan of available DAB se
72. nu With this condition the following are applicable e The surround back amplifier channels supply Zone 2 speaker level output via the surround back speaker terminals With this setup Zone 2 audio speaker level can be increased or decreased using the VOL Volume keys of the supplied ZR 7 zone remote control e Atthesame time Zone 2 item 6 ZONE 2 in the IDENTIFICATION OF CONTROLS section continues to send zone selected audio source to the corresponding audio input of a separately located additional amplifier or receiver not supplied that can power its matching set of speakers Zone 2 audio level for this port is fixed it cannot be adjusted by any ZR 7 volume command e Onthe other hand the secondary Zone 2 at AUDIO PRE OUT item 13 AUDIO PRE OUT ZONE 2 in the IDENTIFICATION OF CONTROLS section also sends zone selected audio source to the corresponding audio input of a separately located additional amplifier or receiver not supplied that can power its matching set of speakers Zone 2 audio output for this secondary Zone 2 can be increased or decreased using the VOL Volume keys of the supplied ZR 7 zone remote control e For the applicable Zone 2 function Zone 2 audio level can only be adjusted using the Volume keys of ZR 7 remote control only if Back Amp in the Amplifier Setup menu is set to Zone 2 Setting Back Amp to Main Front or Main Back will not allow Zone 2 audio level adjustment
73. ons are possible if external devices that also support both features are interconnected to the T 748 via HDMI connection HDMI Setup Control CEC Sourc efiko Power Off Volume On HDMI Audio Out Amp HDMI ARC SON CONTROL CEC Consumer Electronics Control CEC is a set of commands that utilizes HDMIS two way communication to allow for single remote control of any CEC enabled devices connected with HDMI A CEC command will trigger the necessary commands over HDMI for an entire system to auto configure itself to respond to the command 21 OPERATION USING THE T 748 SETUP MENU When devices that support HDMI Control CEC are connected the following modes of operation can be executed via the T 748 orthe external device using any of the devices remote control Source On Off At On setting the T 748 will automatically switch sources if another CEC device requests a Source change For example if PLAY is pressed on a BD Player with CEC the T 748 and TV with CEC will automatically switch to their respective input connections the T 748 switching to the HDMI input where the BD Player is connected while the TV will switch to its input where the T 7485 HDMI MONITOR OUT is connected This completes the auto configuration the BD Player is automatically played back using the T 748 and TV Power On Off At On setting the T 748 will automatically go to standby mode if it receives a CEC standby command On
74. our primary listening viewing position this will ensure reliable infrared remote control communications The T 748 generates a modest amount of heat but nothing that should trouble adjacent components It is especially important that sufficient ventilation be provided DEFAULT SOURCE SETTINGS The following table lists the default SOURCE settings Note that the Audio input settings show both digital and analog audio input Digital input will always take precedence over analog audio input even if both are present Source Audio Input Video Input Source 1 HDMI 1 Audio 1 HDMI 1 Source 2 Optical 2 Audio 2 Component Video 1 Source 3 Coaxial 1 Audio 3 Video 1 Source 4 Coaxial 2 Audio 3 Video 2 iPod Audio 2 S Video Front Optical Front Input Audio Front Input S Video Front Input Media Player Audio Front Input Tuner For Video output select the highest quality video format available on your TV Monitor and utilize this for your Monitor OUT connection from the T 748 to the TV Monitor For T 748 this should be HDMI with the other choice being Composite video output To modify the above default settings and for a better understanding of source setting and combinations please refer to the item about SOURCE SETUP in the USING THE T 748 SETUP MENU segment of the OPERATION section IDENTIFICATION OF CONTROLS FRONT PANEL 1 AV Surround Sound Receiver T 748 VOLUME LISTENING MENU MODE a ae a Q Q
75. p through the channel list Release 4 D when you have arrived at your desired channel Press ENTER to tune the selected channel e Channel and frequency are shown in the lower line of the VFD The number ofo display at the upper line of the VFD indicates the signal strength level of the current channel To improve the reception of the selected channel adjust or reposition the DAB antenna until the best reception is indicated e Ifthe manually tuned channel and frequency are not available No Service List will be shown in VFD NOTE The number of ensembles and stations that could be scanned will vary depending upon your location PRUNE LIST There maybe situations wherein certain stations become inactive The Prune list option enables the deletion of these inactive stations in the service list 1 While listening to a DAB broadcast press TUNER MODE button and then D to select Prune list 2 Press ENTER Use B and then press ENTER to select between Cancel or OK SELECT Any inactive stations normally preceded by a mark are automatically deleted when OK SELECT is selected Otherwise select Cancel DAB RESET The DAB reset option enables the re initializing of the NAD DAB Adaptor by going to Full Scan mode 1 While listening to a DAB broadcast press TUNER MODE button and then D to select DAB reset Press ENTER 2 TheT 748 will initiate DAB
76. rable These are provided to reproduce a variety of sound effects depending upon the content of the source to be played Use a combination of 4 D a v to configure the following settings 22 LISTENING MODES The audio format as detected by the selected Source can be automatically configured and processed through the following options Listening Modes Dolby Digital Stercome m Ep dayta Surround PLIIx Movie TS Stereo Neo 6 Music Surround Neo 6 Cinema PCM Stereo Stereo Surround PLIIx Music Analog Analog Bypass DOLBY DIGITAL Dolby Digital is the multi channel digital signal format developed in the Dolby laboratories Discs bearing the Dolby Digital double D symbol logo were recorded with up to 5 1 channels of digital signals reproducing a much better sound quality with dynamic and spatial sound sensations that are much better than in the previous Dolby Surround A Dolby Digital audio input can be configured relative to its format as follows Stereo If the detected audio is of Dolby stereo format you can default it to one of the following settings Stereo PLIIx Movie PLIIx Music PLIIx Game Neo 6 Cinema or Neo 6 Music Surround If the detected audio is of Dolby Surround format you can default it to one of the following settings Stereo PLIIx Movie PLIIx Music Dolby D Ex Neo 6 Cinema or None None If None is selected the Dolby Digital signal will be defaulted to the Stereo or Surround settin
77. ration requires special knowledge and instrumentation that the average person probably doesn t possess The Auto Calibration featured in T 748 uses a microphone along with sophisticated digital electronics built into yourT 748 to automatically setup and calibrate the T 748 to the exact speakers and speaker placement of your own unique Home Theatre The following parameters are automatically measured and adjusted accordingly s Noise Level Check noise level relative to each speaker and subwoofer e Number of Speakers Speaker configuration is detected including number of surround speakers and whether a subwoofer and center channel is connected e Speaker Distance Accurately set the appropriate distance of each speaker position as well as the subwoofer with respect to the microphone position e Speaker Level and Size T 748 crossover is set based on each channel s signal handling capability and the subwoofer crossover is automatically set SPL Sound Pressure Level of each speaker is matched with respect to the microphone position e Equalization Adjust tonal quality bass treble level for each speaker This applies to all sound fields and for each speaker This is a one time set up unless speakers are moved or changed in which case the calibration should be performed again OPERATION USING THE T 748 SETUP MENU MEASUREMENT IS THE FIRST STEP Connect the microphone jack into the front panel s MP MIC input Place the supplie
78. rece err er Teter ee Tre Tere tren te 33 DP DTG sszeet sstzseg n esm entetez es eezsk ettek ste atz 33 SETTING DAE PRESE ses szet sag t s ss samt k zs tenne anes ORE 33 PELE MING DAET RE E sengencteanvenskyaemiiecaaeeaneasacraemee 33 NEORMATION SETTING ee k bt kos kesat digs atone heed doors Baus 34 OPERATION LISTENING TO YOUR iPod PLAYER 35 CONNECTING THE OPTIONAL NADIPD AND zs dts k ls se asics 35 iPod PLAYER TO THET ZAB teccpscas Seans FASET NEAN ERES ETE dees 35 Fog MENUOPTON vsti cioctaddrtiaxhyid rE on a tt knei 35 SONI DOLE UGE aiacgeveroseereveresecrevetesecdiererteaise 36 Ol bean te ttre a er Cnn er erent et Tet er Terre 36 TO VIEW VIDEOS OR PHOTOS LOADED IN YOUR iPod 36 REFERENCE TROUBLESHOOTING 6 scsndcsascsswsedersnersdesadiwiecncedewadnea 37 SPECIFICATIONS ssgszass dse et tetk sks nk ves gy ss ed egg s b 38 We encourage you to take a few minutes now to read right through this manual Investing a little time here at the outset might save you a good deal of time later and is by far the best way to ensure that you make the most of your investment in the T 748 and get the most from this powerful and flexible home theater component One more thing We urge you to register your T 748 ownership on the NAD Worldwide Web site http NADelectronics com For warranty information contact your local distributor NAD SHALL NOT BE HELD LIABLE
79. reset and immediately go on to Full Scan mode thereby enabling the T 748 to re scan again the full range of available DAB broadcasts IMPORTANT NOTICE When DAB reset option is selected all stored DAB presets will be erased OPERATION LISTENING TO DAB RADIO SETTING DAB PRESETS The T 748 can store as many as 40 DAB stations of your favorite DAB broadcast for immediate recall 1 To store a DAB preset first tune the DAB broadcast and then press the AVR 4 s panel MEMORY button DEVICE SELECTOR must be set TUN The VFD will show Preset Memory is blinking waiting for a Preset number to be assigned 2 Enter a Preset number in two ways Directly enter a number between 1 to 40 and then press MEMORY button Toggle A V or w to step through the Preset numbers stop at desired number and then press MEMORY Your desired DAB broadcast is now stored in the assigned preset 3 Press A V or a v to step up or down between presets Stop at desired Preset number Note that Presets must have been previously stored DELETING A DAB PRESET The procedure for deleting a DAB preset or all DAB Presets is the same as that of deleting AM FM Presets 33 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 AVR 4 s INFO button to step through the following display opt
80. rientation until you get the clearest sound and lowest background noise Fix the antenna in the desired position by using thumb tacks push pins or any suitable means AM ANTENNA TERMINAL The AM loop antenna supplied with the T 748 or a suitable replacement is required for AM reception Connect the supplied AM loop antenna to these terminals If an external AM antenna is used make connections to the AM and GND terminals in accordance with the instructions supplied with the antenna Testing different positions for the antenna may improve reception vertical orientation will usually produce the best results Antenna proximity to large metal objects appliances radiators may impair reception as will as attempts to lengthen the wire to the loop Refer also to the item about ASSEMBLING THE LOOP ANTENNA at the LISTENING TO AM FM RADIO section of the OPERATION page 2 AUDIO 1 2 VIDEO 1 2 S VIDEO These comprise the T 748 s other sets of principal input Connect these S Video composite video and analog audio input ports to the corresponding output ports of source components such as DVD players or cable satellite boxes AUDIO 2 IN and S VIDEO IN are the assigned default ports for the audio video output of the separately sold NAD IPD NAD IPD Dock for iPod 1 NAD IPD 2 and later variants SURR BACK R ZONE2 L CAUTION ATTE TION MUM SPEAKER IMPEDANC f 8 4 Q MI MUM IMPEDANCE DES HA f E
81. rol buttons applicable for the selected Device L NITE AM FM DB PRESET PRESET TUNER MODE BLEND MEMORY DELETE fej e s Cc D A B 3 INPUT SELECTORS Refer to the corresponding labels printed in the remote control faceplate and their respective assigned buttons to make use of these functions e Set the DEVICE SELECTOR to AMP in order to gain access to these buttons e INPUT 1 INPUT 2 up to INPUT 5 corresponds to T 748 s Source 1 Source 2 up to Source 5 Select FRONT to select Front Inout and MP for Front Audio MP input AVR 4 4 NUMERIC KEYS The numeric keys allow for direct input of tracks for CD players and direct channel preset access for tuners and receivers 5 A V PSET In combination with the numeric keys press a Preset number from 1 to 5 as referenced to A V Presets settings Note that the Preset settings can be configured via the A V Presets menu 6 DIMMER e Reduce or restore VFD brightness e Depending on the NAD model the brightness of the front panel display will vary when you toggle this button e Use with NAD T 748 and other compatible NAD Stereo Receiver Tuner and CD Player models 7 TEST Initiate soeaker TEST mode while at the Soeaker Levels section of the Soeaker Setup menu 8 MUTE e Temporarily mutes audio output or restores audio from mute mode e MUTE mode is indicated by flashing Standby LED indicator for NAD Integrated Amplifiers or Mute shown in the VFD of NAD Receivers
82. rvices in your area will start The arrows show the progress of the sequence When scanning is completed the last number shown on the right side of the VFD corresponds to the total number of DAB broadcast stations found Then the first station is tuned in STATION ORDER Use Station order to sort the sequence of the listed stations There are four orders Alphanumeric Active Ensemble and Favourites 1 While listening to a DAB broadcast press TUNER MODE button and then D to select Station order Press ENTER a Wu 2 Toggle D to select through Alphanumeric Active Ensemble and Favourites 3 Press ENTER to select desired station order ALPHANUMERIC This is the default setting Stations are arranged by numbers first and then alphabetically by letters ACTIVE Active stations are listed at the top of the broadcast list DAB broadcasts that are in the list but have no service in the area will be displayed last in the broadcast list 32 ENSEMBLE Digital radio is broadcast as groups of data called ensemble Each ensemble contains a number of stations transmitted at a set frequency When Ensemble is selected as the mode of station order the radio stations are arranged in the order of their ensemble names NOTE Ensemble is also interchangeably termed as multiplex by other broadcast providers FAVOURITES The T 748 memorizes the top ten stations you listen as you t
83. sitivity Signal Noise ratio Total Harmonic Distortion Loop sensitivity 20dB S N FM SECTION Tuning range Usable sensitivity MONO S N Ratio MONO S N Ratio STEREO Total Harmonic Distortion MONO Total Harmonic Distortion STEREO Channel Separation RDS decode sensitivity POWER CONSUMPTION Idle power Standby power PHYSICAL SPECIFICATIONS Unit Dimensions W x H x D Net Weight Shipping Weight Gross dimensions include feet volume knob and extended speaker terminals 2 x 80 W 8 ohms within rated distortion 2x110W 2 x 160 W 7 x 40W lt 0 08 lt 0 08 gt 60 250 mV 47 kohms 0 5 dB ref 1 kHz 20 Hz 20 kHz 5100 dB ref rated power at 8 ohms A WTD gt 90 dB ref 1 W at 8 ohms A WTD 520 kHz 1710 kHz 120 V version 10 kHz steps 522 kHz 1620 kHz 230 V version 9 kHz steps 60 dBu 40 dB lt 1 5 60 dBu 87 50 MHz 108 00 MHz lt 10 dBu 65 dB 60 dB 0 25 0 5 30 dB 0 5 50 W lt 0 5 W 435 x 167 x 397 mm Gross 17 xe 2 12 elndh s 11 5 kg 25 3 Ibs 14 0 kg 30 8 Ibs Specifications are subject to change without notice For updated documentation and features please log onto www NADelectronics com for the latest information about T 748 Dolby and the double D symbol are registered trademarks of Dolby Laboratories 38 anufactured under license under U S Patent Nos 5 956 674 5 974 380 6 226 616 6 487 535 7 212 872 7 333 929 7 392 195 7 272 567
84. speaker configurations like a 2 1 setup you have to manually set them up by referring to the guidelines below for Speaker Configuration Speaker Distance and Speaker Levels e The test tone emitted during measurement is loud This maybe bothersome for you and may affect as well your other household members and even your neighbor ABOUT EQUALIZATION Equalization is one of the parameters automatically adjusted when the Auto Calibration feature is initiated If after Auto Calibration the resulting equalization effect does not suit your taste or preference you have the option to turn off such equalization effect Below is the procedure on how to turn off equalization 1 Ensure that auto calibration is completed Equalization cannot be turned ON or OFF if auto calibration is not performed and completed 2 Using the AVR 4 remote control and with Device Selector set to AMP page direct the AVR 4 to the T 7485 remote sensor 3 Press and hold AVR 4 s EQ button until the upper line of the VFD shows Adjusting EQ and the lower line OFF equalization is now turned OFF 4 Ifyou decide to turn ON again the calibrated equalization effect press and hold AVR 4 s EQ button until the upper line of the VFD shows Adjusting EQ and the lower line ON equalization is now turned back ON It is recommended that you take full advantage of the T 7485 Auto Calibration feature for your speaker setup However if you desire to setup your sp
85. speakers in sequence NOTE If you are balancing levels by ear choose one speaker usually the center as a reference and adjust each of the others in turn to sound as loud as the reference Be sure that you remain in the primary listening position while balancing all channels To produce the same SPL meter reading or subjective loudness use the remote s w keys to adjust each speaker You can exit Test mode at any time by pressing key bringing you back to Speaker Setup menu You can also press the TEST key to discontinue the Test mode NOTES e All speakers must be in their final locations before level setting e Your subwoofer if any should be set with its integral crossover defeated or if undefeatable set to its highest possible frequency if you are using the T 7485 Subwoofer output Final subwoofer level adjustment by ear using music and film sound material is frequently useful e Due to the effects of room acoustics matched pair speakers front surround back will not always calibrate to exactly the same level offset readings SPEAKER DISTANCE Speaker Distance D D gt Unit of Measure Front Left Center Front Right Surround Right Back Right Back Left Surround Left Subwoofer eljelelelelielieiei T Your systems speaker distance settings are a subtle but important refinement of your setup Informing the T 748 of the loudspeaker to listener dimensions o
86. t 30s The iPod Setup menu allows you to preset the following associated settings when iPod is the selected source Enabled Select Yes to enable iPod as a Source or No to disable it Auto Connect Select Yes to automatically enable and connect the iPod player docked in the linked NAD iPod docking station when Source 5 the default iPod source allocation in the T 748 is selected Select No if you do not want a docked iPod to be automatically connected Menu Timeout Set the time for the OSD to revert to the Now Playing display when the iPod menu has been left idle no scrolling or navigation being done for the specified time out time For the Now Playing OSD to be shown there should be a song paused or being played before going to the iPod menu You can set the Menu Timeout between the range 5s to 60s at 5s increments If you do not want for the menu to timeout select Os SPEAKER SETUP After connecting all ancillary sources and other combinations the Speaker Setup menu will guide you on how to manage and setup your speakers in order to achieve optimum sound acoustics in your listening environment The following are the Speaker Setup Menu sections Speaker Setup Auto Calibrati ongi Speaker Configuration Speaker Levels Speaker Distance AUTO CALIBRATION It has been shown that many if not most surround sound systems are not accurately setup and calibrated To be done properly calib
87. te control NOTES e The NAD DAB Adaptor DB 1 or DB 2 is not supplied with your T 748 e Refer to the installation diagram printed on the carton box of the NAD DAB Adaptor for guidance on how to connect the NAD DAB Adaptor to the T 748 e f there is no NAD DAB Adaptor connected the VFD will show Check DAB Tuner OPERATION LISTENING TO DAB RADIO DAB OPERATION With the separately sold NAD DAB Adaptor already connected to the T 748 you can now carry out the T 748 to receive DAB broadcasts 1 Toggle AM FM DB button until DAB mode When DAB mode is selected VFD will show DAB Initialize Please wait and then go to Full scan mode Full Scan will take at least 20 seconds or more to complete FULL SCAN will enable the scanning of the full range of digital frequencies Band III and L Band This sequence cannot be interrupted The arrows show the progress of the sequence When scanning is completed the last number shown on the upper right side of the VFD corresponds to the total number of DAB broadcast stations found Then the first station is tuned in See ALPHANUMERIC description below to understand the order or arrangement of stations 2 The strength of the incoming signal can be shown on the VFD by pressing the ENTER button The more o segments visible in the lower display line the stronger the signal By changing the position of the antenna you can increase the signal strength Consult an ante
88. ted and the Optimum Surround mode is selected However some DTS ES Matrix 6 1 sources may be detected as DTS In this case the DTS ES Matrix mode should be selected manually in order to reproduce them DTS NEO 6 SURROUND This mode applies the conventional 2 channel signals such as digital PCM or analog stereo signals to the high precision digital matrix decoder used for DTS ES Matrix 6 1 to achieve 6 1 channel surround playback DTS Neo 6 surround includes two modes for selecting the optimum decoding of the Signal sources DTS NEO 6 CINEMA This method is ideal for the reproduction of movies The decoding takes place by emphasizing the separation in order to achieve the same atmosphere with 2 channel as with 6 1 channel sources DTS NEO 6 MUSIC Mainly recommended for music reproduction The right and left front channels do not pass through the decoder and are reproduced directly so there is no loss in sound quality and the effects of the right surround left surround central and back surround channels add a natural sensation of expansion of the sound field ENHANCED STEREO Please refer to the same description of ENHANCED STEREO under the LISTENING MODES segment of the OPERATION USING THET 748 MAIN MENU DISPLAY SETUP Display Setup VFD Di sp La Ea Dimmer Bright Line 1 Source Line 2 Listening Md Temp Line Line 2 The Vacuum Fluorescent Display VFD and On Screen Display OSD can be shown in various ways by navigati
89. the following options access Configuration sub menu and change Subwoofer from On to Off them through their respective menu page Front becomes Large Listening Mode Stereo Speaker Setup Auto Calibration Speaker Configuration Speaker Levels Speaker Distance Listening Mode Mode Speaker Configuration DSP Option 5ms Front Large Center Small 80Hz Surround Small 80Hz Back Small 80Hz DSP Option Subwoofer hi Lip Sync Delay H 2 With the above settings scroll to A V Presets Setup from the SETUP MENU page Use B to access A V Presets Setup menu Setup Menu Tone Controls Tone Defeat On Source Setup Speaker Setup Amplifier Setup HDMI Setup Listening Mode Setup Display Setup AZV Presets Setup Tone Controls Tone Defeat MON 3 At AW Presets page set Preset 1 to the following conditions as below Use w to select Yes or No Then press and to exit a line item and move on to the next setting Display Setup Set Line 2 to Listening Mode A V Presets Setup Preset al Name Preset 1 Listening Mode Yes DSP Options Yes Display Setup VFD Display On Dimmer Bright Tone Controls Yes Speaker Setup Yes Display Setup Yes Line 1 Source E DCR istening Md Temp Line Line 2 Save Settings to Setup Load Defaults to Preset 26 OPERATION USING THE T 748 SETUP MENU
90. the guidelines about DISPLAY THE OSD and NAVIGATING THE OSD AND MAKING CHANGES to navigate through the menu options and their sub menu selections SOURCE SETUP There are three sub menu items under Source Setup These are Source Setup Normal Source Setup Table and iPod Setup Source Setup Source Setup Normal Source Setup Table iPod Setup SOURCE SETUP NORMAL The Source Setup Normal menu makes it possible to set allocate or change the following settings Source Setup Normal Source H Enabled Yes Name Source 1 Analog Audio Audio 1 Gain OdB Digital Audio HDMI 1 Video HDMI 1 A V Preset None OPERATION USING THE T 748 SETUP MENU SOURCE The T 748 is equipped with eight configurable Sources A particular Source can be enabled or disabled renamed assigned analog and digital audio sources video sources A V Presets among other settings These settings can be implemented through the following parameters NOTE Source 5 is defaulted to iPod Remove the default setting of Source 5 to iPod via the following procedure 1 Goto iPod Setup menu under the Source Setup menu At iPod Setup menu set Enabled to No 2 Then go back to Source Setup menu and select Source Setup Normal 3 Goto Source 5 and set Enabled to Yes Source 5 can now be configured to any desired settings ENABLED One can enable disable a Source via this option This is p
91. the other hand if the T 748 receives a CEC power up command the T 748 will correspondingly switch ON from standby mode Volume On Off At On setting the T 748 will respond to CEC volume and mute commands For the above Control modes the T 748 will not respond to any CEC command if the particular mode is set to Off HDMI AUDIO OUT Amp HDMI Audio stream is sent to the T 748 Audio output is manifested through the T 748 s speakers TV HDMI Audio stream is sent to the TV Audio output is manifested through the TV s speakers HDMI ARC HDMI ARC stands for HDMI Audio Return Channel HDMI ARC function enables an HDMI ARC compatible TV to send audio data stream to the T 748 Audio output is manifested through the T 748 s speakers e HDMI ARC is enabled only with Volume setting set to On If Volume is set to Off HDMI ARC is automatically set to Off e HDMI ARC is shown in the VFD when it is set to On and active IMPORTANT NOTES e The CEC or HDMI ARC response among the devices may vary or may not be achieved as expected This may depend upon the other devices setup configuration compatibility or capability e Audio and video will continuously stream from the HDMI source with CEC to the TV with CEC even if the T 748 is at standby mode LISTENING MODE SETUP Listening Mode Setup Dolby Setup DTS Setup Enhanced Stereo The T 748 has various listening mode options and is mostly configu
92. tly adjusted within the range 60Hz to 150Hz NOTE The configurations set forth at Speaker Setup are carried over whenever it is enabled during A V Presets setting Please see also the section AV Presets Setup for reference 20 SPEAKER LEVELS Speaker Levels OdB Center OdB Front Right 0dB Surround Right OdB Back Right OdB Back Left OdB Surround Left OdB Subwoofer 0dB Adjusting the relative balance of your systems loudspeakers ensures that surround sound recordings whether music or film will present the balance of effects music and dialog that the artists intended Additionally if your system incorporates a subwoofer it establishes a correct relationship between the volume of the subwoofer and the other speakers and thus of low frequencies bass to other sonic elements USING AN SPL METER It is quite practical to perform the T 748 level setup routines by ear and careful work will produce acceptably accurate results However the use of an inexpensive sound pressure level SPL meter such as Radio Shack part number 33 2050 makes this task easier more accurate and more repeatable Ownership of such a meter could prove a valuable audio tool The SPL meter should be placed at the primary listening position at approximately the height of the seated listener s head A tripod is helpful but with a little duct tape almost anything a pole lamp music stand or ladder backed chair for e
93. une in stations They will be listed at the top of the broadcast list DYNAMIC RANGE The level of compression of stations can be set to eliminate the differences in dynamic range or sound level between DAB broadcasts Popular music would normally be more compressed than classical music resulting in possible different audio levels when changing from one station to the other Setting the Dynamic Range to D range 0 means no compression D range 1 2 indicates medium compression and D range 1 shows maximum compression No compression is recommended especially for classical music 1 While listening to a DAB broadcast press TUNER MODE button and then D to select Dynamic range Press ENTER 2 The lower line display shows the current dynamic range setting with an asterisk Toggle 4 DB to select through D range 0 D range 1 2 and D range T 3 Press ENTER to select desired dynamic range level MANUAL TUNE This option allows you to manually tune to a desired DAB broadcast and include it in the service list if not yet available at the time You can also use MANUAL TUNE to assist you in positioning the DAB antenna for best reception of the desired DAB broadcast 1 While listening to a DAB broadcast press TUNER MODE button and then D to select Manual tune Press ENTER The current channel and frequency are shown in the lower line of the VFD 2 To select other channels toggle 4 DB to ste
94. video sources If your source has two output jacks indicative of stereo output insert both jacks into the T 748 s corresponding Front L item A and R MONO input to achieve stereo output as well On the other hand if your source has a single audio out jack only or is marked Mono output plug this into the T 748 s Front R MONO input item B Connect composite video output source to the front composite video input item C Connect S Video output source to the front S Video input item D Use the front optical audio input item E for optical digital audio SOUICES 12 FRONT MP MIC INPUT Connect your Media Players standard stereo phone jack to this input This is also same input where the supplied microphone is connected for speaker auto calibration Refer also to the item about AUTO CALIBRATION under the USING THE T 748 SETUP MENU segment of the OPERATION section IDENTIFICATION OF CONTROLS FRONT PANEL REAR PANEL IDENTIFICATION OF CONTROLS ATTENTION Please make sure that the T 748 is powered off or unplugged from the mains power source 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 FM ANTENNA TERMINAL Connect the supplied lead type FM antenna to the FM antenna input Extend the lead Experiment freely with your antenna placement and o
95. w Step up or down Preset numbers 4 D In combination with TUNER MODE or other compatible buttons select through applicable DAB menu options ENTER Select Preset or Tune mode at AM FM band Display signal strength at DAB mode be AM FM DB Select DAB FM or AM band as applicable TUNER MODE In FM mode toggle between FM Mute On and FM Mute Off At DAB mode use the TUNER MODE button in combination with the front panel and ENTER buttons to A B PRESET AM FM DB PRESET activate DAB menu options BLEND Engage or disengage BLEND feature This is not applicable to T 748 MEMORY Save current station to a Preset number DELETE Delete selected Preset number NOTE For iPod player specific control buttons please refer to CONTROL FEATURES under OPERATION LISTENING TO YOUR iPod PLAYER LIBRARY The AVR 4 can store a different library of default NAD codes for each of its DEVICE SELECTOR pages 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 Refer as well to the table below for a list of applicable NAD Library Codes with their corresponding NAD models LOAD ANOTHER LIBRARY CODE Example Load NAD DVD Player T 517 library code to AVR 4 s BD device 1 Press and hold BD in the DEVICE SELECTOR section of AVR 4 2 While holding down the device button BD press 2 and 2 using AV
96. xample can do as well Just be sure that no large acoustically reflective surfaces obstruct or are near the microphone element Orient the meter with its microphone usually at one end pointing straight up toward the ceiling not toward the speakers and ensure that C weighting scale is selected Set the meter to display 75 dB SPL On Radio Shack meters this necessitates either setting the meter to its 80 dB range and taking your readings at the 5 point or selecting the 70 dB range and reading at the 5 point SETTING SPEAKER LEVELS AT TEST MODE While at Speaker Levels menu press the AVR 4 remote s TEST key activating the T 7485 Speaker Levels balancing test signal You will hear a surf sound as the test mode cycles through the speakers test appears to the right side of the current speaker beginning with the Front Left If you do not hear the test signal check your speaker connections or your Speaker Configuration OSD menu settings Use the remote s keys to adjust the loudness of the noise output from the currently playing channel to the required level it s usually simplest to begin with the Front Left As the test signal cycles around the speakers the OSD will highlight the currently playing channel The level offset reading on the right will change by 1 dB increments 12 dB adjustment is available Press ENTER to adjust the next speaker or for the Test mode to continue on with the other
97. your iPod s own display screen as you would do in normal iPod use The following is the procedure to switch between iPod Menu and Simple Mode options 1 Press and hold MENU button in the front panel or AVR 4 for about 3 seconds 2 iPod Menu is selected when the upper line of the VFD shows iPod Menu and the lower line of the VFD shows Playlists iPod Menu is the default menu option 3 Press and hold MENU button again and the upper line of the VFD shows iPod and the lower line of the VFD shows Simple Mode You are now at Simple Mode iPod MENU At iPod Menu mode there are several available menu options that are similar to what you can find in an iPod player The OSD shows the following iPod Menu options Playlists Artists Albums Songs Podcasts Genres Composers and Audiobook Use 4 8 to move up or down the iPod menu selections Navigate and select through these iPod Menu options as you would when operating your iPod player independently NOTE At iPod Menu your docked iPod players click wheel and controls will not be operational Your iPod player will show in its display the NAD logo Use the corresponding front panel or AVR 4 buttons to navigate through the iPod Menu options SIMPLE MODE At Simple Mode refer to your docked iPod players own display screen to navigate and make full use of its features Use your docked iPod s own click wheel and controls or

Manual - Datatail

Contents

Download Pdf Manuals

Related Search

Related Contents