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NAD T743 Receiver

1. ON Lore Ey j ANTENNA i z E 6666 010 NVAOIO L R SPEAKERS B POWER ON OFF E 3 Y r Seria No No Do Series q A VIDEO VIDEO T 743 C EUROPEAN VERSION ATTENTION 12 Please make all connections to your T 743 receiver with the unit powered off or unplugged It is also advisable to power down or unplug all associated components while making or breaking any signal or AC power connections FM 8 AM ANTENNA The supplied wire dipole FM antenna will connect to the FM connector using the supplied balun adapter It will usually work best when mounted on a vertical surface such as a wall with arms fully outstretched forming a horizontal T perpendicular to the origin point of the signal Experiment with placement and orientation of to yield the clearest sound and lowest background noise In areas of difficult FM reception an external FM antenna can yield dramatic gains in quality consult your NAD audio specialist or a professional antenna installer The AM loop antenna supplied with the T 743 or a suitable replacement is required for AM reception Open the clip terminal lever insert the wire and close ensuring that the lever locks the wire in place Testing different positions for the antenna may improve reception vertical orienta
2. T 743 mae A V Receiver Owner s Manual SAFETY INFORMATION 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 CE EXPLANATION OF GRAPHICAL SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons 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 PRECAUTIONS Read the Operating Instructions carefully and completely before operating the unit Be sure to keep the Operating Instructions for future reference All warnings and cautions in the Operating Instructions and on the unit should be strictly followed as well as the safety suggestions below INSTALLATION 1 Water and Moisture The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall be placed on the apparatus 2 Heat Do not use this unit near sources of heat including heating vents stoves or other appliances that generate heat It also should
3. keys to move up or down among the Setup menu s list of items use Enter to select a menu item and use 4 gt to change the parameter value setting of any item Selecting the lt Save and Exit gt returns up to the lt Setup gt menu while saving any parameter value changes to the T 743 s memory selecting lt Do Not Save and Exit gt also returns to the main lt Setup gt menu but abandons any changes made on the previous menu Selecting lt Exit gt from the main Setup menu exits the OSD altogether retaining parameter value changes if any made previously INPUT SETUP The T 743 is equipped with nine configurable and nameable inputs six audio video inputs labeled DVD SAT VCR and VIDEO 4 6 including VIDEO 6 on the front panel and two audio only inputs labeled CD and EXT 7 1 These are flexibly configurable and nameable For each labeled video input jack position DVD SAT VCR VIDEO 4 6 as displayed on the lt Video In gt line of the lt Input Settings gt menu you may freely assign an analog audio input selected on the lt Audio In gt line and a digital input selected on the lt Digital In gt line These will become active whenever that input is selected 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 The digital signal can be temporarily selected OFF using the front panel DIGITAL AUDIO SELECTOR
4. Note also that while most Dolby Digital recordings are 5 1 channel surround productions older examples may be multichannel 2 channel or even monaural the T 743 will automatically reproduce the Dolby Digital signal with the maximum number of channels available The table below indicates which listening modes are available with the two types of audio signal sources digital or analog input 2 channel whether the actual signal is monaural stereo or surround encoded and digital multichannel Dolby Digital or DTS Where a listening mode is not available to a given signal source it will not appear in the lt Listening Mode gt selection rotation 2 ch analog or PCM Multi ch DD DTS Stereo Downmix EARS Dolby Digital or DTS Dolby Pro Logic Il Enhanced Stereo Enhanced Stereo Enhanced Stereo II Enhanced Stereo II downmixed signals DISPLAYING THE SIGNAL MODE Keying the front panel s DISPLAY or HTR 2 remote s DISP key will display on the VFL the channel mode of the currently selected input signal in the format front surround subwoofer see 5 DISPLAY in the Front Panel section The following table shows examples of displays seen with various signal types Source Readout OSD Analog Analog Digital PCM Digital PCM Multichannel Dolby Digital Dolby D 3 2 1 full surround Dolby D 3 1 1 Dolby D 2 0 etc Itichannel DTS dts 3 2 1 full surround dts 3 1 1 dts 2 0 etc M Cc SELEC
5. Enter keys Using the 4 w and 4 keys you can select mode variations and adjust various parameters depending on the current Listening Mode For more information see About the T 743 s Listening Modes NOTE Listening Mode is part of the T 743 s Preset system See Creating and Using Presets below NOTE The Listening Mode used the last time a given input was selected will be recalled the next time that input is selected unless overridden by a Dolby Digital or DTS signal which automatically invoke their native Listening Modes ABOUT THE ON SCREEN DISPLAYS OS CHANNEL BALANCE TEST SETUP Adjusting the relative balance of your system s 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 743 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 your NAD audio specialist may be able
6. Q 1 SAVE CANCEL INPUT SETTINGS INPUT DUD VIDEO IN DUD ANALOG IN DUD GAIN 12dB d DIGITAL IN OPTICAL 1 TRIGGERS 1 ON DON T SAVE AND EXIT SAVE AND EXIT 15 ABOUT THE ON SCREEN DISPLAYS OSD AND FRONT PANEL READ 16 SPEAKER SETTINGS FRONT LARGE CENTER LARGE SURROUND LARGE SUBWOOFER ON ROSSOVER FREQ 200H DON T SAVE AND EXIT SAVE AND EXIT SPEAKER SETUP 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 80 Hz e A Large speaker is any full range model that is one with deep bass response e An Off 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 lt Surr Back gt setup item to OFF Depending on the relationship between speakers the possible selections for each speaker are as follows Front L R Center Surr L R Subwoofer LARGE LARGE SMALL OFF LARGE ON LARGE SMALL or SMALL OFF OFF LARGE OFF SMALL OFF SMA
7. included adapter and should be fully extended to form a T This folded dipole antenna will usually work best oriented vertically with the arms of its T full outstretched and arranged perpendicular to the origin of the desired broadcast There are no rules however and experimenting freely with antenna placement and orientation may yield the clearest sound and lowest background noise 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 19 USING THE T 743 20 SELECTING THE RADIO Press the AM FM key on the T 743 front panel the HTR 2 s orange TUNER the numeric 9 key or the yellow AM and FM keys to select the receiver s radio mode Each subsequent press of either key will toggle the unit between its FM and AM bands TUNING STATIONS Press SEARCH 4 gt on the front panel momentarily to step up or down between FM or AM frequencies Press and hold SEARCH 4 for more than 2 seconds to search up or down the T 743 s tuner will stop at the next sufficiently strong signal it encounters See Front Panel above Pressing the SEARCH 4 keys momentarily during the
8. item using the remote s and 4 gt keys One can select the video input DVD SAT VCR or VIDEO 4 6 you wish to assign to the TRIGGER 1 output Select lt Save and Exit gt to store the trigger assignment INPUT SETTINGS INPUT DUD VIDEO IN DUD ANALOG IN DUD GAIN 12dB DIGITAL IN OPTICAL 1 TRIGGERS 1 ON DON T SAVE AND EXIT SAVE AND EXIT 29 TROUBLESHOOTING 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 743 DOES NOT RESPOND TO HTR 2 REMOTE T 743 DOES NOT RESPOND TO FRONT PANEL COMMANDS OR REMOTE CONTROL 30 POSSIBLE CAUSE S AC power unplugged Power not switched on Outlet is unpowered Faulty missing cables lt Speaker Settings gt channel s set to None Power amp or speaker connections faulty No surround listening mode is engaged Surround channels set to None on lt Speaker Settings gt menu Surround channels level set too low on lt Channel Levels gt menu Subwoofer is off unpowered or improperly connected Subwoofer set to OFF on lt Speaker Settings gt menu Sub level set too low on lt Channel Levels gt menu Source is a 2 0 etc Dolby Digital or DTS recording without center channel Center set to OFF on lt Speaker Settings gt menu Center level set too low on lt Channel Levels gt menu Source s digital output
9. MODES The T 743 receiver offers nine distinct listening modes tailored for different types of recordings or program material The table below lists which modes are available to what input signals With a two channel STEREO source the following listening modes can be selected e Stereo e Downmix All output is directed to the left right front 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 a 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 multichannel digital recordings Dolby Digital and DTS are reproduced in Downmix mode via the left and right front channels only as Lt Rt left right total signals e Dolby Pro Logic e Dolby Pro Logic II PLII Two channel recordings whether stereo or surround encoded are reproduced with Dolby Pro Logic or ProLogic Il surround processing yielding output to left center and right front channels and discrete left right surround channels assuming these are present in the current lt Speakers Setup gt PLII does not employ the surround back speakers if any NOTE ProLogic Il is a more recent evolution of the original Dolby ProLogic surround processing that yields more stable imaging and full bandwidth sound to the rear channe
10. Panel above SELECTING SOURCES With the HTR 2 s remote s Amp device selected the remote s numeric key section directly selects the receiver s inputs plus the internal tuner Tuner Tape Monitor Tape and multichannel input Ext 7 1 5 1 refer to the red labels directly above each key e When an audio only source CD DISC TUNER is selected the most recently selected video signal remains selected until another audio video input is selected e When you change sources the VFL will display the new input in its primary display e A newly selected input s listening mode Stereo EARS Pro Logic Il etc will revert to the mode to which it is configured on the lt input Settings gt line of the setup menu unless the incoming signal is a Dolby Digital or DTS source in which case the input will be set automatically to the appropriate decoding mode ADJUSTING THE VOLUME Use the HTR 2 remote s lt Volume up down gt keys to adjust the master volume of the T 743 raising or lower all channels together Note that e A momentary keypress will change the master volume by 1 dB increments if you hold down lt Volume up down gt the master volume change will run on until the key is released e The T 743 s OSD will show the volume setting as a line graphic with a numeric display above in dB relative to the reference level Since recordings vary considerably in overall average level there is no imperative to listen at any p
11. all channels or for multi speaker background music cocktail party listening e Enhanced Stereo 2 ST2 All recordings reproduced in stereo via the surround speakers only plus subwoofer if any assuming these are configured in the current lt Speakers Setup gt ST2 can prove useful in certain late night or very low volume listening situations USING THE T 743 The following Surround Sound Modes require a specially encoded signal that must be present in digital format to be decoded by the T 743 These modes are automatically switched on when the appropriate data stream is detected selected in the setup menu of the source media e Dolby Digital e DTS Digital recordings in Dolby Digital or DTS formats are reproduced via the channels employed in the original recording up to the maximum channels present in the current lt Speaker Settings gt setup NOTE The DVD player must be sending a Dolby Digital or DTS bit stream from its digital output Your DVD player probably includes its own setup menu that among other things lets you select the default bit stream format and usually includes an Auto setting that directs the player to choose the Dolby Digital DTS signal whenever these are available In a few cases you may have to set the player s bit stream manually to DD DTS or an equivalent In the case of DVDs that carry both Dolby Digital and DTS you will select one or the other from the disc s not the player s main menu
12. button INPUT SETTINGS From the main lt Setup gt menu select the lt Input settings gt menu item using the HTR 2 remote s 4 w and Enter keys Using the 4 gt keys select the video input DVD SAT VCR VIDEO 1 6 you wish to configure Use the 4 w keys to move to the lt Audio In gt line and then use the 4 gt keys to select the analog audio input you wish to be linked to that input usually this will be the same e DVD with DVD Video 4 with Video 4 and so on NOTE It is not necessary to have an analog audio input connected for every video input you employ In fact in some cases for example for a DVD player it may be preferable to make only a coaxial or optical digital audio link to the T 743 for audio playback This avoids possible confusion and ensures that the T 743 s high performance surround and digital audio circuitry will always be employed Now use the 4 w keys to move to the lt Digital In gt line and select the digital input Opt 1 2 Coax 1 4 you wish linked to that input If you set lt Digital In gt to Off no incoming digital signal will be selected by that input Set an input s lt Digital in gt to Off only if you wish to ensure that that input will not play an incoming digital bitstream even if one is present NOTE The lt Trigger Out gt line of the lt Input Settings gt menu is used to configure the T 743 s 12 vol
13. code libraries we cannot support the HTR 2 s operation with other brand components Checking Code Library Number You can check the current code library on any Device Selector key as follows Enter Library Mode by simultaneously pressing and holding for 3 seconds both the desired component s Device Selector key and the A V PRESET key until the Learn LED turns green Press the DISP key the HTR 2 indicates the current code library by flashing its TAPE VCR and MACRO keys For example to indicate code library 501 the HTR 2 will flash TAPE 5 times pause and then flash MACRO once You might wish to make a note of your components code library numbers SUMMARY OF HTR 2 MODES Mode Keys To Press for 3 seconds Learn Copy Punch Through Device Key Record Key Delete Mode Device Key Return Key Macro Record Macro Key Function Key Library Mode Device Key Preset Key Back Light Timeout Factory Reset Display Key Digit Key see Factory Reset above TRIGGER SETUP The T 743 s rear panel TRIGGER output can be assigned to any of its six AV inputs DVD SAT VCR VIDEO 4 6 Whenever the assigned input is selected either manually or by recalling a Preset the TRIGGER output will produce 12 V DC which can be used to activate a connected component or system See your NAD audio specialist for more information ASSIGNING THE TRIGGER OUTPUT From the OSD s main lt Setup gt menu select the lt Input Settings gt
14. is not connected to a T 743 digital input Batteries are flat or incorrectly inserted IR transmitter window on remote or IR receiver window on T 743 is obstructed T 743 front panel is in very bright sunlight or ambient light Microprocessor error T 743 may have over heated 12V TRIGGER IN OUT is set to AUTO or in position POSSIBLE SOLUTIONS S Check AC cable connection and outlet Check cables Check lt Speaker Settings gt menu Check power amp cabling and speakers Select appropriate listening mode Correct lt Speakers Settings gt or lt Channel Levels gt settings Power up subwoofer check sub s AC outlet or check connections Correct lt Speakers Settings gt or lt Levels setup gt settings Play a known 5 1 channel recording or select Dolby Pro Logic or Mono mode Correct lt Speakers Settings gt or lt Channel Levels gt settings Check connections Check source component setup Check batteries Check IR windows and ensure clear line of sight from remote to T 743 Reduce sunlight room lighting Power down the T 743 via the front panel Power button and unplug it from the AC outlet Wait five minutes re connect and power up Switch to OFF position SPECIFICATIONS AV SURROUND SOUND RECEIVER Amplifier Section Power output Stereo Mode 8 ohms within rated distortion IHF dynamic power 8 ohms IHF dynamic power 4 oh ms Power output Surround Mode Total harmonic distortion at rated power IM di
15. not be placed in temperatures less than 5 C 41 F or greater than 35 C 95 F 3 Mounting surface Place the unit on a flat even surface 4 Ventilation The unit should be situated with adequate space around it so that proper ventilation is assured allow 10 cm 4 in clearance from the rear and the top of the unit and 5 cm 2 in from each side Do not place on a bed rug or similar surface that may block the ventilation openings Do not install the unit in a bookcase cabinet or airtight rack where ventilation may be impeded 5 Objects and liquid entry Take care that objects or liquids do not get inside the unit through the ventilation openings 6 Carts and stands When placed or mounted on a stand or cart the unit should be moved with care Quick stops excessive force and uneven surfaces may cause the unit and cart to overturn or fall 7 Wall or ceiling mounting The unit should not be mounted on a wall or ceiling unless specified in the Operating Instructions WARNING TO REDUCE THE RISK OF FIRE OR ELECTRONIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT This product is manufactured to comply with the radio interference requirements of EEC DIRECTIVE 89 366 EEC 92 31 EC and 93 68 EEC Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby
16. of time It is usual and perfectly acceptable to leave the T 743 in Standby mode in between normal viewing and listening sessions 11 SWITCHED AC OUTLET This convenience jack can supply switched power to another component or accessory It is powered on and off by the front panel STANDBY SWITCH or the HTR2 s On and Off keys NOTE The total draw of all devices connected to this jack must not exceed 120 watts 12 SPEAKERS A amp B Connect the left and right front centre left and right surround and surround back speaker outputs to the corresponding loudspeakers Each output s red terminal and black terminal must be connected to the corresponding and terminals of the loudspeaker Use extra care to ensure that no stray wires or strands cross between posts or terminals at either end Connect Speakers B left and right speaker outputs to the corresponding remote loudspeakers When speakers B are activated the output is taken from the front left and right channels and any signal source is converted downmixed to stereo as indicated in the florescent display NOTE Use stranded wire of at least 16 gauge AWG specialized speaker cable may be valuable consult your NAD audio specialist Connections to the T 743 can be made with banana plugs US model only or using bare wire or pins by loosening the terminal s plastic nut making a clean neat connection and re tightening carefully use the transverse
17. search process will stop the search After first pressing amber TUNER mode select key on the HTR 2 to set the remote to control radio functions press TUNE DOWN or TUNE UP on the HTR 2 yellow lettering hold in to perform slow manual search press momentarily to automatically search see above SETTING RADIO PRESETS The T 743 can store as many as 40 of your favorite radio stations for immediate recall 30 FM stations and 10 AM To store a radio preset first tune the desired frequency see above then press the front panel MEMORY key Press the PRESET 4 gt key to select the preset number to be assigned Then press the MEMORY key once again The STORED message will appear in the VFL Display NOTE The Radio Presets must be stored from the front panel this setup function is not accessible from the HTR 2 remote NOTE The T 743 s Radio Presets are distinct from its global Presets that can be used to manage listening and setup modes and levels See Using Presets above SELECTING RADIO PRESETS Press PRESET 4 gt on the front panel to step up or down between presets press and hold PRESET 4 gt to scroll continuously up or down The HTR 2 remote s PRESET 4 w keys work similarly CHOOSING THE FM MUTE MODE The front panel FM MUTE Mode key is a dual purpose control First it toggles the T 743 between stereo mute and unmated stereo reception assuming that a multiplex stereo station of sufficient strengt
18. to delete the Learn LED flashes the number of times indicates which type of function has become active see the table below Press the active Device Selector key again to exit Delete Mode NOTE You may delete multiple function key commands on the same Device Selector page but to delete from more than one Device Selector page you must exit Delete Mode and then re enter it on the required page Flashes Command Type 1 Default Library Command 2 Copied Library Command 3 Learned Command LOADING CODE LIBRARIES The HTR 2 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 tape deck DVD player or other component ollow the procedure below to change the code library Begin by ensuring that the component you wish the HTR 2 to control is plugged in and powered up on not merely in standby To enter the HTR 2 s Library Mode simultaneously press and hold for 3 seconds both he desired Device Selector key and the A V PRESET key until the Learn LED turns green While keeping he HTR 2 pointed toward the component enter the first appropriate three digit code library number from he table below If the component turns off press ENTER to accept that code library number and exit the Library Mode If the component does not turn off enter the next three digit code library number from the able When you enter the correct number th
19. to the DISC inputs 17 5 1 CH INPUT Connect to the corresponding analog audio outputs of a multichannel source component such as a DVD Audio or multichannel SACD player or external multichannel decoder Typically these sources will produce 5 1 channel output in which case the SURROUND BACK jacks are left unconnected The signals present at these jacks may be heard by selecting the front panel soure Down and Up key or the HTR 2 s Ext 5 1 button See Selecting Sources below NOTE There is no bass management or other processing other than master volume control available to this 5 1 CH INPUT While the multi channel audio outputs of a DVD Video player can be connected to these jacks using the T 743 s own Dolby Digital and DTS decoding and digital analog converters via a digital connection will usually produce superior results 13 SETTING UP THE T 743 14 GETTING STARTED Before you make the first connection to your T 743 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 Suffice it to say that these two questions will influence your system s ultimate performance every bit as powerfully as your selection of electronics and speakers Your NAD audio specialist dealer will be happy to advise you and to recommend reference m
20. D 17 Background to OSDION OO Feira si id A 17 TEMP OSDiiin States ta a a da Aetna Oa rai idas 17 Creating and Using Preset 0sc onsen ceca ct VERS teed eee eels ween ees wees eae eS Sowa 18 Creating PISCIS 5 cede Ree eee e RRA ARA e E AAA 18 RecalMg Presets sr corr A AE AAA 18 USING THE T 743 00 22 A a e 19 Selecting SQUARE AA E SU dara iment Ryd ae 19 AJUDA VOLUMES a a aa 19 Mutingihe Sound eso papas EA ASS 19 Listening t R di 0 A A a A AR a ak ee AA A 19 ADOULANICNNGS 503 ee ARI AAA AAN 19 Seletin MORAN asc rra n i AER AA 20 TIMO SAS e a A A as 20 Seting Radio RSS SES o mico rue a a agg dice daii dic iia 20 Selecting Radio Presets viana e RRA e le E EEEE 20 Choosing the FM Mute Mode iii a ci 20 ADOUDRIDSS tia e AA AAA AN 20 ADOLTUSSNAMOS i i ro la ee da a e 20 Entering User Mam s oros ds a a ARA A 20 Abotit DTS and Dolby Digital Mod s civic ca a ani aa 21 About the T 743 s Listening MOS jock ic aces e a See web Wa wan eee leans 22 Displaying the Signal Mode s icccvenned see e eee eee raria E PENTEL A 23 Selecting Listening MOGs lt svcsrironasso rocas Roe SAS TEE ROREE TEES Ss ORO REE 23 Adjusting Listening Modes s s fetes weai a a wid e ae nd toda acs eieaa a adie ot then 24 Surround Sound ChannelicCharts i aea a ipaa ie a A arma tn D a AO ee 25 Adjusting Channel Levels On theBly occsctede ie ii a 25 ToAdj st Channel Levels cock ease rr IAEA AAA 25 Adjusting the Tone Controls ei ana 25 Using the HTR 2 Remote Cont
21. DVANCED OPTIONS OSD BACKGROUND OFF OSD TEMP DISP ON DON T SAVE AND EXIT SAVE AND EXIT ADVANCED OPTIONS OSD BACKGROUND ON OSD TEMP DISP_ OF DON T SAVE AND EXIT SAVE AND EXIT 18 SAVE TO PRESETS PRESET 1 PRESET 2 PRESET 3 PRESET 4 PRESET 5 RETURN TO SETUP MENU SAVE TO PRESETS PRESET 1_ SAUE PRESET 2 gt PRESET 3 PRESET 4 PRESET 5 RETURN TO SETUP MENU SAVE TO PRESETS PRESET 1 STORED PRESET 2 PRESET 3 PRESET 4 PRESET 5 RETURN TO SETUP MENU S OSD AND FRONT PANEL READ CREATING AND USING PRESETS The T 743 s simple but powerfully flexible system of Presets allows you to customize virtually every aspect of your audio video playback and recall them with a single key press Every parameter of T 743 operation that is available from the main lt Setup gt menu input settings level settings delay settings speaker settings and listening mode selection and adjustments is stored together as a single Preset You might create one Preset optimized for pop music and another for classical or Presets that recall each family member s favorite setup or one for fully cinematic home theater playback and another for late night movies with each Preset s surround mode channel levels and speaker setup fine tuned to a particular scenario or preference CREATING PRESETS Creating a Preset consists simply of storing a complete set of all settings access
22. LL SMALL OFF SMALL ON OFF SMALL OFF SPEAKER SETTINGS From the OSD s main lt Setup gt menu select the lt Speaker Settings gt line using the HTR 2 remote s 4 w and Enter keys Using the 4 gt keys set lt Front gt to Large or Small as your main front speakers require according to the guidelines noted above Similarly set lt Center gt lt Surround gt and lt Surr Back gt to Large Small or Off as your system s loudspeakers require Set lt Sub gt to On or Off selecting On only if you have a subwoofer connected to the T 743 s SUB analog output jack NOTE The Speaker Settings 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 743 s Preset system consequently multiple speaker settings can be stored for easy recall as different types of recordings or listening modes require See Creating and Using Presets NOTE 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 LISTENING MODE From the OSD s main lt Setup gt menu select the lt Listening Mode gt line using the HTR 2 remote s 4 w and
23. Laboratories DTS DTS ES and Neo 6 are trademarks of Digital Theater Systems Inc SAFETY INFORMATION ELECTRIC POWER 1 Power Sources Connect this unit only to power sources specified in the Operating Instructions and as marked on the unit 2 Polarization As a safety feature some units are equipped with polarized AC power plugs which can only be inserted one way into a power outlet If it is difficult or impossible to insert the AC power plug into an outlet turn the plug over and try again If it still does not easily insert into the outlet please call a qualified service technician to service or replace the outlet To avoid defeating the safety feature of the polarized plug do not force it into a power outlet 3 AC power cord When disconnecting the AC power cord pull it out by the AC power plug Do not pull the cord itself e Never handle the AC power plug with wet hands as this could result in fire or shock e Power cords should be routed to avoid being severely bent pinched or walked upon Pay particular attention to the cord from the unit to the power socket e Avoid overloading AC outlets and extension cords beyond their capacity as this could result in fire or shock 4 Extension cord To help prevent electric shock do not use a polarized AC power plug with an extension cord receptacle or other outlet unless the polarized plug can be completely inserted to prevent exposure of the blades of the plu
24. TING LISTENING MODES Keying the HTR 2 remote s SURR MODE button steps through each of the T 743 s Listening Modes available to the current input signal It also momentarily displays the Listening Mode in the OSD NOTE Changing the type of input signal may automatically change the Listening Mode If the new signal is a Dolby Digital or DTS recording it will automatically invoke its native mode The reverse is also true if Dolby Digital or DTS was previously selected 23 ING THE T 743 24 LISTENING MODE MODE PLII MUSIC DIMENSION 3 CENTER WIDTH 7 PANORAMA 0 RETURN TO SETUP MENU LISTENING MODE MODE PLII MUSIC DIMENSION 3 CENTER WIDTH QO PANORAMA OFI RETURN TO SETUP MENU ADJUSTING LISTENING MODES Several of the T 743 s listening modes have one or more selectable variations and adjustable parameters you can modify to suit you system the recording or your personal preferences Use the HTR 2 remote s Surr Mode key or the front panel SURROUND MODE key to select the Listening Mode you wish to display and listen to this will display on the T 743 s VFL Display One can also select variations using the HTR 2 4 cursor keys on the lt MODE gt line of the OSD Use the HTR 2 s a v and 4 gt cursor keys to navigate among and modify that mode s adjustable parameters if any NOTE Listening Mode parameter changes are maintained when you change listening modes You may also
25. a particular mode is selected MODE INPUT FRONT CENTER FRONT SURR SURR SUBWOOFER NUMBER LEFT RIGHT RIGHT LEFT CHANNELS SPEAKER SETTING ANY ALL SMALL LARGE Dolby Digital 1 x gt x Dolby Digital 2 X ae X x Dolby Digital 5 x x x x x x LFE Dolby ProLogic II 2 x x x x x x DTS 5 Xx x X x x x LFE EARS 2 x x x x x x x rule ae 2 x ar al x See et 2 5 x x xe Stereo 2 X x x ma X Speaker channel available Ke Only if selected in Speaker Setup Menu LFE Low Frequency Effects are not present on all films Finally make sure all the speaker terminals are tightened particularly if using banana plugs ADJUSTING CHANNEL LEVELS ON THE FLY You can make changes to the relative levels of center surround and subwoofer outputs This may prove useful in a number of circumstances for example to increase or tone down a film s dialog level by raising lowering the center channel or to reduce excessive deep bass or enhance deep bass by lowering raising the subwoofer level without having to go into the CHANNEL LEVELS OSD menu TO ADJUST CHANNEL LEVELS Use the HTR 2 remote s Surr Center and Sub keys for direct access level adjustment of these channels over a range of 12 dB You can also adjust all channel levels using the front panel s Levels key see Front Panel above or via the lt Channel Levels gt line of the main lt Setup gt menu NOTE THAT The surrou
26. and pressing the desired key to be copied to simply press the device key from which you wish to copy having first pressed its Device Selector key if it resides on another page The status LED will turn green press the Device Selector key again to exit Learning Mode Example Copy the Pause command from the CD page to the AMP II key e On the HTR 2 simultaneously press and hold AMP and record the Learn LED turns steady green e Press Il pause the Learn LED turns amber e Press CD press II pause the Learn LED turns green e Press AMP again to exit the learning mode NOTE The copy and punch through functions are similar However if you copy a command and then subsequently delete or over write the original source key command the copied to key s command remains unchanged If you punch through to a command and then delete or over write the original key the punched through functions also change accordingly MACRO COMMANDS A macro command is a series of two or more remote codes issued automatically from a single keypress You might use a macro to automate a simple command sequence such as Turn on the DVD player and then press play Or you might compose an elaborate macro to power up an entire system select a source choose a Listening Mode and begin playback again all from a single keypress The HTR 2 can store one macro on each of its function keys these exclude the Device Select
27. and so on LEARNING CODES FROM OTHER REMOTES Begin by positioning the HTR 2 nose to nose with the source remote so the two devices infrared windows are about 2 inches apart e Enter Learning Mode On the HTR 2 simultaneously press and hold for 3 seconds both a Device Selector key and the record key just below the DISP key until the Learn LED at the center of the HTR 2 urns steady green e Press the HTR 2 s function key you wish to teach a command the Learn LED will turn amber e Press and hold the function key on the source remote The HTR 2 Learn LED will flicker amber for a second or two then turn solid green The command is learned e Press the HTR 2 s Device Selector key again to exit the learning mode If the Learn LED does not flicker amber you may need to vary the distance between the remotes If the Learn LED turns red rather than green that particular command of that source remote command could not be learned Cancel Operation You can cancel configuring a key by pressing the active Device Selector key before the learn is complete the Learn LED will turn red Example Learning DVD Pause Position the HTR 2 and your DVD player s remote as described above e On the HTR 2 simultaneously press and hold DVD and the Learn LED turns steady green e Press the HTR 25 II pause key the Learn LED turns amber e Press and hold the DVD player s remote s pause key the HTR 2 s Lear
28. articular master volume setting A setting of 20 may sound as loud from one CD or DVD as 10 does from another e If muting has been activated below adjusting master volume via the HTR 2 remote or the front panel knob automatically releases the mute function e The T 743 will power up from Standby mode at whatever master volume setting was last used however if the prior setting was greater than 20 dB the T 743 will power up to 20 dB This prevents inadvertently beginning a session at excessive volume MUTING THE SOUND Use the HTR 2 remote s lt Mute gt key to silence all channels completely Muting is always available regardless of source or listening mode selections Note that e Cycling through Standby or powering off does release muting the T 743 will return from Standby with muting off if Standby was invoked with muting on e Changing input or listening mode selections does not release muting e Adjusting the master volume upward via the HTR 2 or the front panel knob automatically releases the mute function LISTENING TO RADIO The T 743 s internal AM FM tuner offers very high quality sound from radio broadcasts Note that reception and sound quality will always be dependent to a degree on the type of antenna s used as well as proximity to the broadcast origin geography and weather conditions ABOUT ANTENNAS The supplied ribbon wire FM antenna can be connected to the rear panel FM antenna input using the balun
29. aterials NOTE You will need the HTR 2 remote handset to configure your T 743 See Using the HTR 2 Remote below DEALING WITH HUM AND NOISE Hum and noise sometimes prove a challenge in complex multichannel audio systems Note these consider ations to help prevent hum and noise problems e Power all your system s audio component from AC outlets originating from the same circuit of your house wiring As far as possible power all audio components from the same outlet or adjacent outlets on the same circuit lt may be useful to power video displays and computers from outlets on another circuit especially if that circuit is supplied from the other leg of the house wiring e Do not bundle analog audio cables with AC power cables or with coaxial digital audio cables It is best if they cross at right angles if they must be in close proximity e Employ high quality well shielded audio cable throughout and ensure that all connections are secure e A pencil eraser can be used to burnish copper and gold plated contacts to ensure good low resistance contact specialized contact cleaners can also be useful Avoid unnecessary unplugging and re plugging since the gold or copper contact plating of typical cable connectors even very high quality ones is very thin and easily worn Track down hum noise problems one component at a time working backwards from the receiver That is Connect the speakers to the receiver only and check
30. cedence The T 743 will automatically play any active signal present at the selected digital input if none is present it will fall back to the analog audio input assigned to that Video input Digital inputs can be selected OFF to listen to the analog input of a source with an assigned digital input SURROUND MODE Use to select the T 743 s Listening Mode Press repeatedly to step through the T 743 s Listening Modes See About the T 743 s Listening Modes below NOTE Depending on the format of the currently selected input digital or analog stereo or multichannel different modes will be available See About the T 743 s Listening Modes below LEVELS Press repeatedly to select the channel and then use the VOLUME SETUP knob to adjust the levels of the T 743 s 7 channels pairs in turn front left center right surround surround back subwoofer The selected channel appears on the VFL and on screen displays use the VOLUME SETUP knob to adjust its level relative to the others over a range of 12 dB Channel levels may also be adjusted via the on screen menus see Adjusting Channel Levels below NOTE The HTR 2 remotess Surr Center and Sub 4 w keys provide direct access to those channels relative levels however in this case the level changes are only temporary and are not saved in memory TONE DEFEAT Press to disable the tone controls press again to re enable them for instance to compare a tone setti
31. channel digital signal format developed in the Dolby laboratories Discs bearing the DOLBY Digital symbol 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 DOLBY PRO LOGIC Dolby Pro Logic is a surround format consisting of four channels front right centre front left and surround Media sources with the Dolby Surround feature produce a theatre like surround sound The surround channel is monophonic but it is reproduced in both surround speakers DOLBY PRO LOGIC II SURROUND This mode applies conventional 2 channel signals such as digital PCM or analog stereo signals as well as Dolby Surround signals etc to surround processing which offers improvements over conventional Dolby Pro Logic circuits Dolby Pro Logic Il surround has two decoding modes DOLBY PRO LOGIC II MOVIE Designed for the cinema this method highlights the cinematic sound quality by adding a process that emphasises the special effects of action scenes DOLBY PRO LOGIC II MUSIC Designed for music this method highlights the sound quality of music by adding a process that emphasises the musical effects Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are registered trademarks of Dolby Laboratories 21 USING THE T 743 22 ABOUT THE T 743 S LISTENING
32. code libraries see Loading Code Libraries below CONTROLLING THE T 743 The HTR 2 is divided into two main sections Eight Device Selector keys at the top AMP DVD TV and so on set the handset s remaining keys to a page of commands to control a particular component A Device Select key determines only what component the HTR 2 will command it does not perform any function on the receiver All of the remaining keys are function keys that can learn control codes from virtually any infrared remote controller allowing you to teach the codes of your equipment regardless of brand to the HTR 2 However the HTR 2 is already preprogrammed to operate the T 743 All of the function keys on the AMP Device Selector page perform T 743 functions The HTR 2 can also command many other NAD compo nents from its DVD CD TUNER and TAPE pages It is important to note that certain HTR 2 keys perform different functions depending on the selected Device Selector page The color of the Device Selector key labeling corresponds to the labeling of the function keys Most centrally the red AMP Device Selector page corresponds to the red input select labeling adjacent to the numeric keys When the HTR 2 s AMP Device Selector page is active these keys select the receiver inputs Similarly the purple DVD Device Selector page corresponds to several purple labels the green TV page to green labels
33. component video outputs from compatible source components typically a DVD player and terrestrial or satellite HDTV tuner Connect the T 743 COMPONENT VIDEO OUT to the component video input of a compatible video monitor TV Be sure to observe consistency in connecting the Y Cr Cb jacks some source and TV components label these Y Pb Pr to the corresponding sources inputs do not rely purely on the colour coding of the jacks which may not always be consistent among brands The routing of the component video inputs follows the S Video composite but is default as COMPONENT VIDEO IN 1 is routed to the COMPONENT VIDEO OUT jacks when the DVD input is selected COMPONENT VIDEO IN 2 is selected when the SAT input is active the audio and digital inputs assigned to DVD and SAT will be used see also Input Setup NOTE The T 743 s component video inputs and outputs are fully wide band compatible with all HDTV formats The T 743 does not display its on screen menus on its component video output To use on screen menus you will need to make an S Video or composite connection between the T 743 and the monitor TV and select it for menu display 9 AC POWER CORD After you have completed all connections to the amplifier plug the AC line cord into a live wall socket 10 POWER Press in to switch the A V Receiver to standby mode Pressing POWER again turns the unit OFF recommended if you do not plan to use your A V Receiver for an extended period
34. e codes The NAD HTR 2 is ready to operate the T 743 receiver right out of the box but it is really eight remotes in one Each of the 8 Device Selector keys at the top of the handset can call up a new page of remote control codes to be transmitted by the remaining 44 keys You may teach codes from any infrared remote controlled component regardless of brand to any or all of these Obviously the most logical system is that you teach the codes from your DVD player to the DVD Device Selector page your television s codes to he TV page and so on but there is no required scheme You may load any commands to any key on any page see Learning Codes From Other Remotes below The HTR 2 is already preprogrammed with a full complement of commands for the T 743 receiver on its AMP Device Selector page and as well as with library commands to operate most NAD brand DVD CD or TAPE components on the corresponding Device Selector pages These default commands are permanent Even if you teach the HTR 2 new commands to take their place the underlying library commands remain in place and can easily be recalled should you add an NAD component to your system later see Delete ode below NOTE For use with the T 743 it should not be necessary to re program any keys on the HTR 2 AMP page However in order for the HTR 2 to control your specific NAD brand components you may need to load one or more different
35. e component will turn off press ENTER to accept that code ibrary number and exit the Library Mode NAD brand component HTR 2 code library numbers CD CD Player new 200 CD Player old 201 TAPE Tape Deck B 400 Tape Deck A 401 DVD T562 600 T550 L55 601 1512 T531 1532 602 1571 1572 602 L56 604 1513 1533 605 USING THE HTR 2 REMOTE CONTROL Search Mode If none of the codes from the table when entered turns on the component and if you are quite sure you have followed the above procedure completely and carefully you may want to try the search method as follows Enter Library Mode by simultaneously pressing and holding for 3 seconds both the desired Device Selector key and the A V PRESET key until the Learn LED turns green Now press and hold the HTR 2 s 4 or w key the remote will step through all the available codes at a rate of approximately 1 per second When the component turns off immediately release the cursor key press ENTER to accept that code library and exit the Library Mode Try a few commands should you prove to have stepped past the needed code library re enter the Library Mode and use the cursor key to step back to it NOTE It is possible that search mode will find code libraries that operate at least partially some other brand non NAD components You may certainly exploit such capabilities as you find them However since we can only ensure the completeness or accuracy of NAD
36. e for serious music listening Dolby ProLogic Il Music and DTS Neo 6 Music modes can also create enjoyable experience from 2 channel sources On the digital side the T 743 combines extraordinarily high speed DSP processing employing one of the most advanced high speed DSP engines available with fully 24 bit 96 kHz sampling capable D A converters for all channels A single high precision master clock synchronizes all digital circuits to eliminate the timing errors jitter that otherwise compromise sonics The result is legitimately state of the art surround decoding from Dolby Digital and DTS sources with genuinely superior sound quality in all modes EASE OF USE Despite the effort NAD has invested in the T 743 receiver s sonic performance we expended no less in making it powerfully easy to use Its design is uniquely simple for so sophisticated a component and the HTR 2 universal remote control is equally understandable as are the T 743 s own front panel and on screen displays Its simple yet powerful system of presets permits you to fine tune your listening setup for different conditions sources or listeners and to recall these multiple parameters with a single keypress INTEGRATION The T 743 receiver offers extensive flexible system integration options through its configurable DC trigger outputs and input and its standard protocol IR communications links ABOUT THE T 743 UPGRADABILITY The T 743 receiver per
37. fe appreciably turning it off altogether set it to O seconds will lengthen it still further FACTORY RESET The HTR 2 can be reset to its factory state deleting all learned commands copied and punched through keys macros and other setup information reverting all keys to their pre programmed library commands To perform a factory reset simultaneously press and hold for 10 seconds the HTR 2 s ON and RTN keys the Learn LED will start to flash green Release ON and RTN before the second flash is complete the Learn LED will turn red indicate the remote has been reset NOTE You must release ON and RTN before the second flash goes out otherwise the unit will not reset should this occur repeat the full procedure DELETE MODE The HTR 2 can store learned copied and default library commands on any single key The default library commands are the pre programmed NAD codes such as the native T 743 commands on the AMP page You can delete commands by layers back down to the default library command on any key removing learned commands punched through functions and copied keys NOTE The default library commands cannot be deleted so you need not worry that using Delete Mode might cause irreparable changes To enter Delete Mode simultaneously press and hold for 3 seconds both the desired key s Device Selector key and the RTN key until the Learn LED turns green Press the function key whose command you wish
38. for hum Then connect one component only a CD player for example alone with no other components connected and check for hum Connect additional components one at a time to the receiver and check for hum At each stage if hum noise appears examine the audio cabling and AC power routing of the new component In some cases moving the new component s AC cord to a different outlet or installing a ground lift 3 to 2 prong adapter on its power cord will eliminate the hum ABOUT THE ON SCREEN DISPLAYS OSD AND FRONT PANEL READ The T 743 receiver employs a simple self explanatory system of on screen display menus that will appear on the connected video monitor TV These are required during the setup process and are useful in day to day operation so be sure to connect the monitor TV before proceeding with setup NOTE The on screen displays are carried on both the S Video and composite MONITOR OUT jacks but are not incorporated into the component video output DISPLAY THE OSD Press any of the HTR 2 remote s central cursor keys 4 4 gt v and Enter to display the T 743 s main lt Setup gt menu on your video monitor TV If the OSD does not appear check your MONITOR OUT connections NOTE The OSD does not appear on the T 743 s component video output nor does it appear on the VIDEO 3 and 4 record outputs these are for recording not monitoring NAVIGATING THE OSD AND MAKING CHANGES Use the HTR 2 remote s
39. g 5 When not in use Unplug the AC power cord from the AC outlet if the unit will not be used for several months or more When the cord is plugged in a small amount of current continues to flow to the unit even when the power is turned off CAUTION Modifications or adjustments to this product which are not expressly approved by the manufacturer may void the user s right or authority to operate this product MAINTENANCE Clean the unit only as recommended in the Operating Instructions DAMAGE REQUIRING SERVICE Have the unit serviced by a qualified service technician if e The AC power plug has been damaged e Foreign objects or liquid have gotten inside the unit e The unit has been exposed to rain or water The unit does not seem to operate normally e The unit exhibits a marked change in performance e The unit has been dropped or the cabinet has been damaged DO NOT ATTEMPT TO SERVICE THE UNIT YOURSELF OWNER S RECORD For your convenience record the model number and serial number you will find them on the rear of your set in the space provided below Please refer to them when you contact your dealer in case of difficulty Model No Serial No TABLE OF CONTENTS TABLE OF CONTENTS Safety Information 5 005 ds Maen a wa aoe a Rae bata dah Renate 2 3 GETTING THE MOST FROM THE NAD T 743 1 cece ee eee 5 UNPACKING AND SETUP 12 ccc eee eee eee eee eens 6 What sim the Box tas Pr nae via ae Bee eee elie G
40. h is tuned FM Mute eliminates noise from empty FM frequencies but also mutes very weak or distant stations it also causes the search function to skip them Toggling off the FM Mute will result in reduced noise 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 NOTE The one can store the same channel in two preset locations one with FM Mute On and with FM Mute Off NOTE Toggling between FM Mute on or off also defeats the T 743 s FM muting circuit If you wish to listen to a particularly weak or distant broadcast toggle off the FM Mute and tune it manually ABOUT RDS The Radio Data System RDS permits compatible FM receivers to display text determined by the broadcaster The T 743 supports two RDS modes station name PS mode and radio text RT mode However not every FM station incorporates RDS in its broadcast 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 after a brief delay the RDS symbol will light in the T 743 s front panel readout and the readout s character section will show its station name PS text ROCK101 for example Press the front panel DISPLAY key to toggle the readout between this and the station s radio tex
41. he T 743 is among the most technically sophisticated A V receivers we worked hard to make it one of the most musically transparent home theater components available as well this is what we mean by NAD s Music First design philosophy Here are just a few examples e NAD s exclusive Soft Clipping circuitry further enhances sound quality and dynamic potential e High performance components used throughout the receiver s analog audio circuits maximize quality from all sources including multichannel analog sources such as DVD Audio and SACD e Preamp output all channels and main amp input jacks make potential expansion as flexible as possible e A Second set of Speaker terminals Speakers B for remote listening e Gold surfaced connectors are employed throughout to ensure maximum signal integrity E A R S AND DIGITAL SURROUND A key element of the T 743 unique musical aptitude is NAD s proprietary Enhanced Ambience Recovery System EARS In sharp contrast to many ambience synthesis music surround modes EARS exploits the T 743 substantial DSP power to route the ambient content that is encrypted in virtually all natural acoustic recordings to the appropriate main center and surround speakers without resorting to artificially generated reflections or regeneration EARS natural ambience yields a subtle but exceptionally effective surround mode that naturally enhances the spatial presentation in a fashion suitabl
42. hole through the post for bare wire or pin connections To minimize the danger of short circuits ensure that only 1 2 inch of exposed wire or pin is employed in connecting NOTE This unit is designed to produce optimum sound quality when connected to speakers with impedances within the receiver s operating range Please check front center and surround speakers are rated to be 4Q min per speaker IMPORTANT NOTE For optimum surround performance the T 743 speaker settings and levels must be set correctly via the receiver s setup routines see Setting Up the T 743 13 DVD SAT VCR VIDEO 4 VIDEO 5 These comprise the T 743 principal inputs Connect S Video composite video and analog stereo audio from source components such as DVD players and HDTV satellite tuners see Input Setup below VCR and VIDEO 4 may be used with recording components such as videocassette or DVD recorders connect the T 743 S Video composite video OUT jacks to these components record inputs Note that VCR VIDEO 4 may freely be used for play only components in which case their OUT jacks would remain unconnected 14 MAIN IN AUDIO PRE OUTS SUBWOOFER OUT The T 7435 five built in power amplifier channels will deliver excellent quality with even very demanding low sensitivity home theatre speaker systems However it is also possible to use the T 743 as a pre amplifier with external power amplifiers for some of all channels remove the supplied jumpers if necessar
43. ible from the main lt Setup gt menu including Tone Control settings To save a collection of settings to a Preset use the HTR 2 remote s 4 w keys to scroll to the to main lt Save to Preset gt item Use 4 w to scroll to the desired Preset s line 1 5 lt Stored gt will be flashing Now press the HTR 2 s Enter to store the Preset lt Stored gt will be stop flashing confirming that the Preset has been stored NOTE The selected Preset remains in force until you select a different Preset NOTE It is strongly recommended to leave Preset 1 empty that is memorized with no changes at all made to the calibrated values you have entered on all of the lt Setup gt menu lines This will make returning to your calibrated setup defaults easy RECALLING PRESETS You may recall a Preset at any time the newly recalled Preset will replace the previous Preset if any Presets can only be recalled using the HTR 2 remote Press the HTR 2 s square A V Preset key red dot then press the numeric key 1 5 corresponding to the desired preset NOTE The A V Preset key works as a momentary shift key You must press it every time before invoking a Preset via a numeric key USING THE T 743 You may operate the T 743 receiver from its front panel or via the HTR 2 remote control Since the remote will be the primary controller for most cases we will focus on remote controlled operations Be sure also to read the section Front
44. ina s Baad beatin Ad 6 Save the packaging 6 CHOOSING a LOCATION rico e ie oie 6 CONNECTING AM ANTENNA ccccccc ee eee eee eee eee eee 6 ABOUT THE T 74300000 A ghar Ocantuac anal 7 EAR S and Digital Surround msi A es 7 ASC HOF USC aa AA A Hood Toe ANd Gama ang ane BER 7 IEDF sa AA OU ENE REA Le EREEE SLANE I AAA 7 Upgrada Dilly errai e a A a 8 About the HTR 2 System Remote Control 2 0 2 2 c cece eke ee cee ea aaa a e 8 QUICKSTART aio ic ac A onan AA eae aumtaqocanade 9 Play TI iy swt ew ETS AAA SAA Bah el AAA A 9 FRONT PANEL ita a A NA A ane ass 10 11 REAR PANEL 00200 a as a a ad 12 13 ATENON sE AS ASA OS ASA 12 SETTING UP THE T743 00000305 a O a aaa 14 Getting E A O O 14 Dealing With Humand Noli AAA A TRS a eS 14 ABOUT THE ON SCREEN DISPLAYS OSD AND FRONT PANEL READOUT 15 Displaying the USD aos A AN Aa 15 Navigating the OSD arid Making Changes 222 65 00 0 cen rd a e ka 15 Input Set eses AS AAA A avin detrital aa ae 15 INDUESSUMOS ys So s4 coe wrk we A SEWN eee eee RAR eed e SIS eee eee 15 e ip Bp cit sn arses ae pa An 16 Speaker Seting irrar caia wae how in ta E ada Peas 16 Listening Mode iia A A A 16 Channel Balance Test Setup mcr a a OR RES ORO 17 Usingan SPLE MEEF ieri cascr erga amA i E a saad a A Bii om Ra AR 17 Setting ChamelBalance sc rcererceier SoHE pn ERA AAA 17 Speaker Distante ck nx nwe menue E beamed A EE ema 17 Seto Speaker DistanCe ci A A e Red 17 Advanced Options le aa y A A Guim A NAAA AN
45. ls not speakers for example a 2 channel analog or digital source whether stereo or surround encoded will show 2 0 0 even though the receiver s lt Speaker Settings gt may indeed be set up to use the subwoofer with all sources and the current Listening Mode may employ center and surround speakers When the AM FM tuner is the selected input sequentially pressing DISPLAY shows the currently tuned station s RDS data toggling between the current station s Radio Text and Station Name displays see Listening to Radio below MEMORY Use to store tuned stations to the T 743 s 40 preset memory locations see Listening to Radio below FM MUTE MODE In the normal Mute position only the stations with a strong signal can be listened to and the noise between stations is muted Pressing the FM Mute Mode button allows distant and potentially noisy stations to be received See Listening to Radio PRESET 4 Press to step up or down between radio presets 30 FM and 10 AM station presets are available Note that this function wraps Pressing gt will step from Preset 30 to Preset 1 or vice versa using the 4 key Unused presets are skipped over Note that Presets must previously have been stored see Listening to Radio below SEARCH 4 gt Press momentarily to step up or down between FM or AM frequencies Press and hold SEARCH 4 gt for more than 2 seconds to search up or down the T 743 s tuner will stop at the
46. ls in Movie mode offering sound that is more similar to Dolby Digital decoding The T 743 provides two PLII variations MOVIE and MUSIC See Adjusting Listening Modes below e EARS Two channel recordings whether stereo or surround encoded are reproduced with proprietary NAD surround processing with signals output to the left center and right front channels and discrete left right surround channels plus subwoofer assuming these are present in the current lt Speakers Setup gt EARS does not employ the surround back speakers if any EARS extracts the 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 It s virtues include a realistic stable front stage sonic imaging and spacious but unexaggerated ambient virtual acoustics that remain faithful to the original recording e Enhanced Stereo 1 ST1 All recordings reproduced in stereo via the maximum speaker complement configured in the current lt Speakers Setup gt ST1 can be useful for maximum volume from
47. mits flexible system growth via individually accessible pre out and main in jacks for three channels enabling external amplifiers to be used for any of these while still maintaining utility of the receiver s on board power amplifier channels for additional channels remote room links or any other suitable purpose ABOUT THE HTR 2 SYSTEM REMOTE CONTROL Packed with your T 743 is the NAD HTR 2 remote control a full system remote especially designed to be easy to use and easy to understand Be sure to read the section Using the HTR 2 Remote Control to familiarize yourself with the remote s layout and operations before proceeding to setup your A V receiver Chances are you will want to use your HTR 2 as your primary way to command your entire A V system The HTR 2 can be employed to operate additional NAD or other brand components such as a DVD CD player television satellite HDTV tuner VCR or virtually anything else that operates via standard infrared remote control QUICK T In case you simply cannot wait to experience the performance of your new NAD T 743 receiver we provide the following Quickstart instructions to get you underway The steps below connect your DVD player to the T 743 s DVD input be sure to read Input Setup below PLAY A DVD MOVIE e Connect the T 743 composite video or S Video MONITOR OUT jack to your TV monitor s corresponding input Cables not supplied e Connect your DVD player s composite vide
48. n LED flickers amber and then turns solid green The command is learned e Press DVD again to exit the learning mode USING THE HTR 2 REMOTE CONTROL PUNCH THROUGH The HTR 2 s punch through function allows you to retain a function key from one Device Select page on another so that for example the AMP SURR MODE function might still control the T 743 when the DVD Device Selector page is active NOTE The HTR 2 s VOL keys are pre programmed as punched through for all Device Select pages VOL will operate the T 743 s master volume regardless of the currently selected device The SURR CENTER and SUB Channel Volume controls similarly are pre programmed as punched through To set a punch through after entering the Learning Mode and pressing the desired key to be punched through simply press the device key twice of the device to punch through to The status LED will turn green press the Device Selector key again to exit Learning Mode Example Punch through the from the DVD page to the AMP SURR MODE key e On the HTR 2 simultaneously press and hold DVD and record the Learn LED turns steady green e Press SURR MODE the Learn LED turns amber e Press AMP twice the Learn LED turns green e Press DVD again to exit the learning mode COPY A COMMAND FROM ANOTHER KEY You may copy a command from any HTR 2 key to any other To copy a key function after entering the Learning Mode
49. nd 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 receiver is as musically transparent and spatially accurate as possible incorporating much of what we ve learned from a quarter century s experience designing audio and home theater components As with all our products NADS Music First design philosophy guided the T 743 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 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 NAD T 743 and get the most from this powerful and flexible home theater component One more thing We urge you to register your T 743 ownership on the NAD Worldwide Web site lt http NADelectronics com w Registration html gt For warranty information contact your local distributor UNPACKING AND SETUP WHAT S IN THE BOX Packed with your T 743 receiver you will find e An AM loop antenna e AFM ribbon wire antenna with balun e A removable AC cable if you wish any IEC standard AC cable of suitable wattage may be substituted e The HTR 2 remote control with 4 four AAA batteries e This owne
50. nd back channels if any adjust in lockstep with the surround channels Channel Level changes made via the HTR 2 are retained even if you cycle the receiver through Standby Channel Levels are part of the T 743 s Preset system See Creating and Using Presets Level settings are added subtracted to the setup levels established by the T 743 level calibration routine invoked by the HTR 2 Test key However selecting any Preset will revert channel levels to those stored in the preset ADJUSTING THE TONE CONTROLS The T 743 bass and treble controls are adjusted using the front panel s TONE CONTROLS and TONE DEFEAT buttons see Front Panel NOTE Bass treble settings affect only the front left right channels and are active in all listening modes Bass treble settings are part of a Preset Bass treble settings in effect when a Preset is stored will be reinstated whenever that Preset is recalled 25 USING THE HTR 2 REMOTE CONTROL 26 E SPEAKERS j 7 PON fi A v g o E 5 3 3 3 3 E i g o 3 lt 5 E lt 5 F e OHOO TVIVIDEO ZOOM MAN PRESET CH PRESET SPECIFICATIONS e Controls up to 8 devices e 44 function keys e Learns up to 352 commands e Records up to 44 macros with a maximum of 64 commands each e Configurable punch through e Key illumination with programmable timeout e Upgradable e Contains pre programmed library of NAD remot
51. next sufficiently strong signal it encounters Note that this function too wraps and will continue searching up or down from one end of the AM or FM band to the other Note that SEARCH 4 gt tunes the FM band by 0 05 MHz steps twice the precision of most tuners and receivers On the AM band SEARCH 4 gt moves by 10 kHz or 9 kHz steps To change the step amount hold in the FM MUTE MODE and AM FM keys simultaneously VFL DISPLAY The Vacuum Fluorescent Display provides visual information on all of the T 743 s important modes settings and functions for both MAIN and second ZONE locations VOLUME SETUP Turn clockwise to increase the master volume setting counterclockwise to lower it The VFL and on screen displays show the setting displayed in decibels between 74 and 18 The VOLUME SETUP knob is also used to increment decrement individual channel levels and other adjustable parameters FRONT PANEL 11 12 13 14 15 16 17 18 SOURCE 4 gt Use to select one of six inputs Press repeatedly to step through the T 743 s audio video inputs The digital inputs are default assigned to the video input DVD SAT VCR VIDEO 4 5 CD but can be arranged in any order using the T 743 s SETUP OSD The chart below shows the default assignments see Input Setup Digital Input Jack Default Assignment OPT 1 DVD OPT 2 SAT Coax 3 VCR Coax 4 VIDEO 4 Coax 5 VIDEO 5 Coax 6 CD NOTE Digital inputs take pre
52. ng to unmodified sound NOTE While TONE DEFEAT is engaged the TONE CONTROLS key will have no effect TONE CONTROLS Press to adjust treble using the VOLUME SETUP knob over a 10 dB range press again to adjust bass and a third time to exit tone control adjustment SPEAKERS A amp B Press either speaker A or B or both to select the set of speakers you wish to listen to The Speakers A are the main set of 6 multi channel front and surround speakers The Speaker B are an auxiliary set for remote locations such as other rooms of your home For Speaker B selection all surround sound sources are downmixed to stereo as shown in the florescent display VIDEO 6 INPUT Use these convenience jacks for occasional sources such as a camcorder portable MP3 or tape player or a video game console or any other analog audio or composite or S Video video source Select the Video 6 input using the HTR 2 remote or the front panel VIDEO 6 key PHONES Accepts stereo headphone using a standard 1 4 inch stereo phone plug use a suitable adapter for headphones equipped with a smaller plug set the Listening Mode to Stereo NOTE For headphone listening the front left right speakers must be set to Large on the OSD s Speaker Settings page otherwise headphone bass response will be restricted NOTE Plugging in headphones will automatically switch the T 743 to Stereo mode 11 REAR PANEL T 743 AH NORTH AMERICA
53. o or S Video output to the T 743 s corresponding DVD input S Video cable not supplied e Connect the DVD player s optical digital output to the T 743 s optical DIGITAL IN 1 input Optical cable not supplied e Connect your left and right front speakers to the T 743 s FRONT L and R outputs being sure to connect red to red and black to black with care to avoid stray wires or strands crossing between terminals Connect center surround and surround back speakers as well if you like If your system includes a powered subwoofer connect the T 743 s AUDIO PRE OUT SW1 2 or both jacks to its line inputs e Press in the main power switch black pushbutton on the T 743 s rear panel this puts the T 743 into STANDBY mode and illuminates an amber LED to indicate it is ready to receive remote commands then use the HTR 2 s ON key to power up the receiver Be sure the TV monitor is powered up with the correct input selected e Start playback of the DVD player Press the HTR 2 remote s Amp Device Selector key and then its red DVD numeric 1 key to select the DVD input You should hear multichannel or stereo sound and see an image on the TV monitor If one or the other fails to appear you may need to use the receiver s on screen menu system to check assignment of audio video and digital inputs see Setting Up the T 743 Enjoy the movie or music but be sure to set aside time to read this manual thoroughl
54. or keys NOTE Macros are independent of the currently selected device RECORDING MACROS To record a macro simultaneously press and hold for 3 seconds both the MACRO key and the HTR 2 function key to which you wish to assign the macro until the status LED turns green The macro button will also light up Press the sequence of function keys to be recorded into the macro being sure to first press the requisite Device Selector key for each function you may switch devices while recording the macro as many times as necessary allowing you to create macro containing commands from more than one Device Selector page When you have finished entering the desired command sequence press MACRO again to store the macro the Learn LED and MACRO key illumination will turn off NOTE Each macro can store a maximum of 64 command steps If you exceed this number the macro will be stored automatically after the 64th command is added Example Record a Macro to the 0 key to Turn on the T 743 Select the DVD Input and Commence Playback e On the HTR 2 simultaneously press and hold MACRO and 0 numeric zero the Learn LED turns steady green e Press AMP press ON press 1 red DVD press DVD press play the Learn LED blinks as each step is added e Press MACRO again to exit the macro record mode To clear a macro perform the above steps without entering any functions EXECUTING MACROS To execute a macro pres
55. out 1 foot 30 cm SETTING SPEAKER DISTANCE From the OSD s main lt Setup gt menu select the lt Speaker Distance gt item using the remote s 4 w and Enter keys Using the 4 gt keys set lt Front gt and lt Center gt to the distance measuring from your principal listening position to the front surface of the front and center loudspeakers Using the same remote keys set lt Surround gt to the distance of the nearest surround channel speaker NOTE Distance can be displayed as feet or meters selectable by the lt DISTANCE gt item in the Speaker Distance menu ADVANCED OPTIONS The T 743 allows for setting of special listening and system options These are usually one time options settings and once set do not need to be changed BACKGROUND to ON or OFF When ON is selected on screen menus will appear against a black background obscuring the current video program if any when OFF is selected menus will appear in white text superimposed upon the current video program if any TEMP OSD TEMP OSD When ON is selected the temporary OSD such as volume and speaker levels are displayed When OFF no temporary OSD will be displayed CHANNEL LEVELS RONT Lo OdBi CENTER OB FRONT R OB SURRR OdB SURR L OdB SUB OdB DON T SAVE AND EXIT SAVE AND EXIT SPEAKER DISTANCE FRONT GFt CENTER 6Ft SURROUND EFt DISTANCE FEE DON T SAVE AND EXIT SAVE AND EXIT A
56. playing channel to the required level it s usually simplest to begin with the left front The level offset reading on the right will change by 1 dB increments 12 dB adjustment is available 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 Using the remote s 4 w and 4 gt keys adjust each speaker to produce the same SPL meter reading or subjective loudness Note that 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 743 s 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 Your system s speaker distance settings are a subtle but important refinement of your setup Informing the T 743 of the loudspeaker to listener dimensions of each speaker automatically imposes the correct delays optimizing imaging intelligibility and surround sound ambience Enter your dimensions with precision within ab
57. r s manual Save the packaging Please save the box and all of the packaging in which your T 743 arrived Should you move or otherwise need to transport your receiver 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 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 receiver s front panel and your primary listening viewing position this will ensure reliable infrared remote control communications The T 743 generates a modest amount of heat but nothing that should trouble adjacent components It is perfectly possible to stack the T 743 atop other components but the reverse usually should be avoided Nonetheless it is generally preferable that the T 743 stand alone It is especially important that sufficient ventilation be provided if you are contemplating locating the T 743 within a cabinet or other furniture consult your NAD audio video specialist for advice on providing adequate airflow CONNECTING AM ANTENNA ES Insert into the groove ASSEMBLING THE AM 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 ABOUT THE T 743 Though t
58. rol ocococccccccccn eee 26 OCIO SA A A A AR A A AA ee 26 o TAS a neau graye paaa e a Cd ae tee ae E PERRO ROTTER UMA par Ree Re iA 26 Learning Codes From Other Remotes 0 cece ee tees 26 TABLE OF CONTENTS PURCHAMRROWG IY ts cda Oe AMMO eh WR Go ea AAA A oot TAAG 27 Copy a Command From Another REY coccion eR REE EE bee De eS 27 ACO COMMANA Ese dr ce a RA HERA y CEE HENCE AN AAA 27 Recording MAGOS succes hie arr AE a dy EE akan at MG Ric ce ely A 27 EXGOUTIMG MACIOS sun sees trai peda ia a arto dE ie ie toa teh dette dante 27 Keyallumination TIMSQUE ic a kata day eke E ad Paes ban bandas aad 28 Factory ROSE intra A IA aS choad dE ins bk ee ade bbe 28 DEBE MJE cross rr CORO os EIA ed ENDER eR ESD RRA 28 Loading COdeHEI DFARS alcatel Son ki howl Ur chatty testa AAN ane ca a R 28 Summary O HTRAMOJES c0 dees ea kee so ethane sa ee exw REEMA KG MOR E a Re RNG 29 Trigger SOUP cee caw es trainee edie A AAA ERE AAA A aero AAA 29 Assigning the NGOS OUIDUE rerersrirsrisi ieee eee ee Dd Ge be ROMER ER ESESS hE BS 29 Troubleshooting scr 20 cr eee ane Ena E a eee e eae ane 30 SPECIFICATIONS 0 303 003 4 eve aida iaa a ai 31 GETTING THE MOST FROM THE NAD T 743 Thank you for choosing NAD The T 743 A V 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 743 delivers a range of genuinely useful options for surround sou
59. s and release MACRO its key illumination lights for 5 seconds While it remains lit press an HTR 2 key to which a macro has previously been stored The corresponding macro will run as each step executes its parent Device Selector s key flashes lights briefly when execution is finished the MACRO key illumination goes out Pressing any other HTR 2 key while a macro is executing will abort the macro Remember that you must hold the HTR 2 so that its infrared emitter can activate the target components NOTE When a macro executes a 1 second delay is automatically inserted between its commanas If you need more than a 1 second delay between particular commands for example to permit a component to power up completely you can record empty steps into the macro by changing Device Selector pages without entering actual command functions 27 USING THE HTR 2 REMOTE CONTROL 28 KEY ILLUMINATION TIMEOUT The HTR 2 s key illumination can be set to remain lit for 0 9 seconds The default value is 2 seconds To set the illumination timeout simultaneously press and hold for 3 seconds both the HTR 2 s DISP and the 0 9 key with the digit corresponding to the desired timeout duration the Learn LED will flash twice to confirm the new setting When set to zero the illumination will not turn on at all NOTE Key illumination is the biggest drain on the HTR 2 s batteries A short key illumination timeout will extend battery li
60. save a modified Listening Mode for easy recall by saving it to a Preset see Using Presets Dolby Pro Logic II PLII PLII MOVIE is optimized for film soundtracks PLII MUSIC for music recordings DIMENSION 3 to 3 Adjusts front rear emphasis of the surround effect independently from the relative channel levels 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 O retains the center channel only default while a setting of 7 yields a fully phantom center channel PANORAMA ON OFF Adds a wraparound effect by extending some stereo content into the surround channels Downmix Dolby Digital Enhanced Stereo 1 ST1 Enhanced Stereo 2 ST2 DYN RANGE 25 50 75 100PCT 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 100PCT the default Settings of 75 50 and 25PCT progressively reduce dynamic range making soft sounds compara tively louder while limiting the peak loudness of loud ones the 25PCT 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 USING THE T 743 SURROUND SOUND CHANNEL CHART The following table shows which channels work when
61. stortion at rated power Damping factor 8 ohms Input sensitivity and impedance Frequency response Signal noise ratio ref rated power 8 ohms A WTD Signal noise ratio ref 1W 8 ohms A WTD Remote Control Tuner Section Input sensitivity Mono 500B Stereo Harmonic Distortion FM Mono Harmonic Distortion FM Stereo Signal noise Mono Signal noise Stereo Stereo separation at 1kHz Frequency Response 1 5dB Physical Specifications Dimensions W x H x D Net Weight Shipping Weight T743 2 x 70W 18 45 dBW 2 x 105W 20 2 dBW 2 x 145W 21 6 dBW 5 x 50W 16 98 dBW 0 08 0 08 60 400mV 50k ohms 5 to 20 000 Hz 0 8dB gt 96dB gt 80dB HTR 2 16 1dBf 36 1dBf 0 25 0 5 60dB 66dB 40dB 30Hz 15kHz 17 1 8 x 5 15 16 x 15 3 8 435 x 150 x 390 mm 29 3 Ibs 13 3 kg 37 2 lbs 16 9 kg Specifications are subject to change without notice For updated documentation and features please log onto www nadelectronics com for the latest information about your T 743 31 www NADelectronics com 02003 NAD Electronics International ADivision of Lenbrook Industries LTD All rights reserved No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International ADivision of Lenbrook Industries LTD T 743 Manual GB 10 03 China
62. t RT readout if any which might scroll song or artist name or any other text of the station s choosing ABOUT USER NAMES You can assign an eight character User Name to each radio preset which will show in the front panel readout whenever that preset is recalled ENTERING USER NAMES For example to name a radio preset NEWS recall the desired radio preset and then press the front panel MEMORY key once then within five 5 seconds press the front panel DISPLAY key the readout shows a blinking box Use the SEARCH 4 gt keys to select the first character of the name N from the alphabetic list press either PRESET 4 key to select the character and move to the next position Repeat this process for each character in sequence press the MEMORY key again to store the User Name and exit the text entry mode USING THE T 743 ABOUT DTS AND DOLBY DIGITAL SURROUND MODES DTS DIGITAL SURROUND The Digital Theater System Digital Surround simply called DTS is a multichannel 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 DTS is a registered trademarks of Digital Theater Systems Inc DOLBY DIGITAL Dolby Digital is the multi
63. t trigger See Trigger Setup The component video inputs are not configurable Selecting the DVD input routes the COMPONENT VIDEO IN 1 to the COMPONENT VIDEO OUT jacks selecting SAT routes COMPONENT VIDEO IN 2 to the COMPO NENT VIDEO OUT jacks Note that the OSD does not appear on the component video output NOTE THAT The combination of analog audio input and digital input assigned above will always be recalled whenever that input is selected via the front panel VIDEO key or the HTR 2 remote s input select keys or by recalling a Preset The digital and analog audio inputs assigned to a video input can be overridden by using the front panel AUDIO and DIGITAL AUDIO SELECTOR keys however the assigned input will return whenever that video input is reselected either via the front panel VIDEO key or using the HTR 2 s input select keys or a Preset Any audio input and any digital input may be configured with any video input and the same analog and or digital inputs may be assigned to multiple video inputs The analog audio input selected on the lt Audio In gt line is also routed to the TAPE OUT jacks NOTE That signals from digital inputs are not available on the analog TAPE OUT jacks SETUP MENU 1 LISTENING MODE 2 INPUT SETTINGS 3 SPEAKER SETTINGS 4 SPEAKER DISTANCE 5 CHANNEL LEVELS 6 ADVANCED OPTIONS 7 SAVE TO PRESET 8 INPUT VIDEO IN ANALOG IN DIGITAL TRIGGERS DON T SAVE AND EXIT SAVE AND EXIT F
64. tion will usually produce the best results Antenna proximity to large metal objects appliances radiators may impair reception as will attempts to lengthen the wire to the loop NOTE An external AM antenna can improve long distance reception substantially consult your NAD audio specialist or a professional antenna installer Do not connect anything other than a loop antenna to the AM ANTENNA terminal Do not remove the AM loop antenna MONITOR OUT Connect to video input of the monitor television using quality dual RCA and or S Video cables designed for video signals In general the S Video connection is superior and should be used if your TV monitor provides the corresponding input NOTE The T 743 transcodes S Video to composite video signals so that S Video signals connected to the DVD SAT VCR and VIDEO 4 6 inputs will be present at both the S Video and composite MONITOR OUT jacks when any of these inputs is selected This provides the convenience of requiring only a single video connection usually S Video between the T 743 and the TV monitor CD Connect the analog stereo audio output from a CD player or other line level audio source to this input DIGITAL IN OPT 1 2 COAX 3 6 Connect to the coaxial S PDIF format digital outputs of sources such as CD or DVD players HDTV or satellite tuners or other components connect DIGITAL IN OPT1 2 to optical S PDIF format digital outputs SOFT CLIPPING Enables NADSs proprietar
65. to help you with temporary use of a meter 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 example 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 forward toward the speakers and ensure that its 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 CHANNEL BALANCE Press the HTR 2 remote s Test key activating the T 743 s channel balancing test signal and displaying the lt Channel Levels gt menu on the OSD You will hear a surf sound that cycles through your speakers beginning with the left front If you do not hear the test signal check your speaker connections above and your lt Speaker settings gt OSD menu settings above As the test signal cycles around the speakers the OSD and the VFL front panel display will highlight the currently playing channel Now use the remote s 4 gt keys to adjust the loudness of the noise output from the currently
66. y Unlike the six full range channels there is no power amplifier built into the T 743 for a subwoofer Connect the SW output 1 2 or both to powered active subwoofers or to power amplifier channels driving a passive system SURR BACK R jack will supply the same signal from the surround back Left channel if the T 743 is so configured see Speaker Setup below Either one or both channels are available mono or stereo as per Speaker Setup Connect to one or two channels of an appropriate external power amplifier or other amplified component to furnish amplification for one or two surround back speakers Your NAD audio specialist will be happy to advise you NOTE Never connect the T 743 s speaker outputs and the speaker outputs of an external amplifier to the same speakers 15 TAPE IN OUT Connect the T 743 s TAPE OUT jacks to the stereo analog audio inputs of an audio recording component such as a cassette deck or CD recorder or of an outboard analog audio processor such as a stereo equalizer connect the receiver s TAPE IN jacks to the component s corresponding outputs NOTE Digital input signals are not available at the analog TAPE OUT jacks 16 DISC Connect the analog stereo audio output from a second CD player or other line level audio source to this input NOTE Connecting a phonograph turntable to the T 743 requires an outboard magnetic phono preamp component such as the NAD PP2 you cannot connect turntable directly
67. y and to set up calibrate and configure your T 743 carefully and completely 10 10 AV Surround Sound Receiver T 743 VOLUME SET UP DISPLAY MEMORY PRESET gt PHONES VIDEO 6 INPUT SPEAKERS o SURROUND SOURCE VIDEOS WN up E TONE CONTROL DEFEAT LEVELS MODE Mono voeo sveo Lauoiot 18 17 16 15 14 13 12 11 STANDBY SWITCH Pressing this key or the HTR 2 remote s ON button will switch the receiver on making it operational changing the amber Standby indicator to green and illuminating the VFL display STANDBY LED Illuminates amber when the T 743 is in Standby mode green when it is powered on and flashes momentarily to indicate infrared commands received from the HTR 2 remote Protection Mode is indicated by a red illumination and indicates that there is a problem with your set up or the unit itself When the fault is removed normal operation can be resumed this may require turning the unit off and on again This indicator will be steadily dark only when the main POWER switch REAR PANEL No 10 is switched off or the receiver is unplugged from the AC supply AM FM Press to toggle between the tuner AM and FM bands DISPLAY Press to display the channel mode of the currently selected source other than the internal AM FM tuner in the format front rear LFE For example a Dolby Digital or DTS 5 1 channel source will display 3 2 1 Note that the display shows signal channe
68. y Soft Clipping circuitry on all channels Soft Clipping gently limits the output of the T 743 to minimize audible distortion even should the receiver be over driven NOTE Soft Clipping may simply be left on at all times to reduce the likelihood of audible distortion from excessive volume settings However for critical listening to preserve optimum dynamics you may wish to defeat it by setting this switch off IR These mini jacks accept and output remote control codes in electrical format using industry standard protocols for use with IR repeater and multi room systems and related technologies Consult your NAD audio specialist for more information 12V TRIGGER IN OUT TRIGGER IN connects to the 12 volt trigger outputs of compatible components such as power controllers and home automation devices The TRIGGER AUTO OFF switch selects the 12V Trigger Input and disables the remote and front panel ON function TRIGGER OUT connects to 12V Input of compatible devices such as amplifiers and projector lifts to automate turn on off or activation See Trigger Setup your NAD audio specialist also can provide more information on using the T 743 s triggers AUTO TRIGGER SWITCH when in the AUTO position forces the T 743 to turn on only when a trigger signal is present at the trigger input When in the OFF position the trigger inputs are disabled REAR PANEL 8 COMPONENT VIDEO IN 1 2 OUT Connect the COMPONENT VIDEO IN 1 and 2 inputs to

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