NAD T742 Receiver
Contents
1. NAD AV Surround Sound Receiver AV Surround Sound Receiver T 742 VOLUME SET UP FM MUTE PRESET FM AM DISPLAY MODE MEMORY DOWN UP e SURROUND TONE 5 INPUT v VIDEO 4 0 EXT51 SETUP CONTROLS VIDEO L R AUDIO Owner s Manual __ _ IMPORTANT SAFETY INSTRUCTIONS CAUTION ATTENTION SHOCK DO NOT OPEN PAS OUVEM CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Warning To reduce the risk of fire or electric shock do not expose this unit to rain or moisture The lightning flash with an 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 product Do not place this unit on an unstable cart stand or tripod bracket or table The unit may fall causing serious injury to a child or adult and serious damage to the unit Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the unit Any mounting of the2. gt ARROW lt TUNE UP TUNE DOWN functions the same as the button of the front panel of the T742 See complete description in the FRONT PANEL CONTROL S section above In DVD mode these keys function as the UP and DOWN ARROW keys used for navigating the various graphical user interface GUI menus on both the DVD player and DVD Video discs Refer to the NAD DVD Player Owner s Manual for more detailed information on this function 12 DISPLAY The DISPLAY button functions the same as the DISPLAY button on the front panel of the T742 See complete description in the FRONT PANEL CONTROLS section above In DVD mode this button displays information about player settings using the graphical user interface GUI Refer to the NAD DVD Player Owner s Manual for more detailed information on this function 15 13 TUNE MODE RETURN The TUNE MODE button functions the same as the button of the front panel of the T742 switching between the Tune Mode and the Preset Mode See complete description in the FRONT PANEL CONTROLS section above In DVD mode this button function is determined by the individual DVD disc title being played Refer to the NAD DVD Player Owner s Manual for more detailed information on this function 14 OPEN CLOSE Opens or closes the loading tray of the DVD player 15 STOP Stops play of the DVD player 16 PLAY Commences playback of DVD or CD discs loaded in the DVD player 17 PAUSE STEP With CD di
3. speakers in your system This setup procedure should be done when you first install your system and subsequently when new or different speakers are attached or when the speaker positions are changed The SET UP facility uses a menu system that is 3 layers deep to accomplish the speaker setup The Front Panel display will give you feedback on where you are in the menu system at any given moment By first pressing the SET UP button and then turning the VOLUME SETUP knob all menu items can be accessed CENTRE WIDTH Dolby Pro Logic Il Music Mode only This allows centre channel sounds to be positioned between the centre speaker and the left right speakers over a range of eight steps Step 3 uses a combination of all three front speakers to give the best vocal imaging and most seamless soundstage and is recommended for most recordings Step 0 places all centre sound in the centre speaker Step 7 places all centre sound equally in the left right speakers as in conventional stereo the spatiality and directionality of those existing Dolby Surrond programs Layer 1 SPK SET SET UP OPTIONS Layer 2 MAIN Layer 3 Layer 3 SMA Layer 2 CEN Layer 3 Layer 3 SMA Layer 3 Layer 2 REAR Layer 3 Layer 3 SMA Layer 3 Layer 2 SUB Layer 3 Layer 3 OFF Layer 2 EXIT Layer 1 DELAY Layer 2 CEN Layer 3 OmS Time in mS Layer 2 REAR Layer 3 OmS Time in mS Layer 2 EXIT Layer 1 PL2 SET Lay
4. DE LA PRISE ET POUSSER JUSQU AU FOND CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT If an indoor antenna is used either built into the set or installed separately never allow any part of the antenna to touch the metal parts of other electrical appliances such as a lamp TV set etc CAUTION POWER LINES Any outdoor antenna must be located away from all power lines OUTDOOR ANTENNA GROUNDING If an outside antenna is connected to your tuner or tuner preamplifier be sure the antenna system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA No 70 1984 provides information with respect to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode a Use No 10 AWG 5 3mm2 copper No 8 AWG 8 4mm2 aluminium No 17 AWG 1 0mm2 copper clad steel or bronze wire or larger as a ground wire b Secure antenna lead in and ground wires to house with stand off insulators spaced from 4 6 feet 1 22 1 83 m apart Mount antenna discharge unit as close as possible to where lead in enters house d Use jumper wire not smaller than No 6 AWG 13 3mm2 copper or the equivalent when a separate a
5. the Test signal generator to allow for adjustment of all speaker levels so that each channel can be adjusted for equal loudness at your listening position The test signal scrolls automatically with 2 second intervals from Front Left Centre Front Right Rear Right Rear Left to subwoofer in continuous cycles If an adjustment in setting is made for one of the speakers scrolling will stop until 2 seconds after the adjustment was made The display panel shows which speaker is being fed with the test signal Use the VOLUME buttons to respectively increase or decrease the level for the current speaker Press the TEST button again to leave or cancel the Test mode any changes will be memorized automatically Refer also to chapter Setting Up the Surround Sound System for more information TITLE functions when in the DVD mode to display the title screen induded on DVD video discs Refer to the NAD DVD player Owner s Manual for more detailed information on this function 8 LEVEL MENU Although the T742 is correctly set up it may some times be desirable to make minor adjustments to suit particular software Pressing the Level button allows for direct adjustment of individual channel levels Press the Level button to scroll to Front Left Centre Font Right Rear Right Rear Left and Subwoofer The display panel shows which speaker can be adjusted Use the VOLUME buttons to respectively increase or decrease the level for the current speake
6. the front left and right speakers CHANNEL DELAYS For the best surround sound performance it is important that sound from all speakers reach the listeners ears at the same time Because the surround rear speakers are usually closer to the listener than the front speakers there is tendency for the ear to localize sounds to the rear because the ear takes most notice of the sounds that arrive at the head first Similarly the centre speaker is often closer to the listener than the front left and right speakers To compensate for this the T742 can slightly delay the audio sent to the centre and rear closer speakers In this way when playing Dolby Digital or Dolby Pro logic soundtracks the sound from all speakers arrives uniformly at the listening position as intended by the film s producer Each millisecond corresponds approximately with 1 foot or 30 5 centimeters NOTE The channel delay option is not available in DTS surround mode TO ADJUST DELAY SETTINGS When Front Panel Display shows DELAY pressing the SET UP button on front panel again second press will enter the DELAY SETTING menu Rotate VOLUME SETUP knob to cycle between CENT gt REAR gt EXIT First stop at CEN current delay setting for Centre Speaker Press the SET UP button again to change the delay setting Rotate the VOLUME SETUP knob to change centre delay adjustment in 1mS increments from OmS to 5mS Press SET UP button again to exit Centre delay adjustmen
7. to T742 Check connections to all speakers in the system Check or replace batteries Remove obstruction Place unit away from direct sun reduce amount of ambient light Check antenna connections to receiver Re tune or switch off FM Mute Check sta 2 on tuning Adjust or replace antenna Check sta 5 tuning Adjust replace antenna Check station tuning Switch off or move the source of the electrical noise Check statio antenna 5 uning Adjust or replace Check statio No remedy 5 uning Adjust or replace antenna 19 www NADelectronics com 2002 NAD ELECTRONICS INTERNATIONAL A DIVISION OF LENBROOK INDUSTRIES LIMITED All rights reserved No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International 1742 Manual 10 2002
8. AT will also be selected in the display the DVD or SAT indicator will start to blink If a digital audio signal is detected the DVD or SAT indicator will stopblinking iand remain lit If no digital audio signal is detected DVD or SAT indicator will cease blinking and extinguish VCR amp VIDEO 4 VCR amp 4 select the signal from a TV Satellite Cable receiver DVD player or VCR connected to VCR or VIDEO 4 as the active input VCR or VIDEO 4 is shown in the Display Panel when selected The VCR amp 4 inputs also have video and analogue audio outputs specifically for recording video devices The Digital Input VCR is linked to the VCR input marked Digital In on back panel No 5 Digital Input VCR allows for connection of a digital source with a Coaxial RCA Jack digital output Whenever the corresponding digital input is activated Digital Input VCR will also be selected in the display the VCR indicator will start to blink If a digital audio signal is detected the VCR indicator will stop blinking and remain lit If no digital audio signal is detected VCR indicator will cease blinking and extinguish 12 VIDEO OUTPUT The video signal available on the S Video and Video Composite outputs is dependent on the selected video input DVD SAT VCR VIDEO 4 VIDEO 5 However when one of the audio only sources is selected FM AM CD Tape Monitor or Ext 5 1 the last selected video signal from one of the video in
9. Fig 6 To avoid any danger of bare metal from the speaker cables touching the back panel or another connector ensure that there is only 1 2 1 27cm of bare cable and no loose strands of speaker wire NOTE This unit is designed to produce optimum sound quality when Speakers with impedance within the set s ranges are connected Please check the following information and choose speakers with the correct impedance for the connections FRONT SPEAKERS A 8 ohms min per speaker CENTER SPEAKER 8 ohms min SURROUND SPEAKERS 8 ohms min per speaker CENTER SPEAKER The terminal marked C connects to the centre loudspeaker that is used when the T742 is operated in Dolby Digital DTS Dolby Pro Logic EARS surround sound mode or with the 5 1 Ch input selected Connect the centre speaker in the same way as described with front Speakers above SURROUND SPEAKERS This connects the Surround loudspeakers that are used when the T742 is operated in Dolby Digital DTS Dolby Pro Logic EARS Surround sound modes or with the 5 1 Ch input selected Connect the surround speakers in the same way as described with FRONT SPEAKERS above connect the left surround speaker to the set of terminals marked SL and the right surround speaker to the terminals marked SR NOTE The Centre and or Surround speakers must be selected as Large or Small in the Set up menu SPK SET when speakers are connected to these outputs 9 SOFT CLIPPING Whe
10. MUTE MODE button No 5 and DOWN UP buttons No 8 a preset number can be emptied When Memory is active the Preset number flashes and the red MEMORY indicator is shown in the Display Panel If no other button is pressed within 10 seconds MEMORY will stop flashing and the receiver will default to its previous state Refer to the separate chapter Storing and recalling Presets for more information 7 PRESET TUNE The Preset Tune button toggles between the Preset and Tune mode When Preset mode is selected PRESET lights up in the display area Up to 40 Presets either AM 10 Presets or FM 30 Presets can be stored Refer also to separate chapter Storing and Recalling Presets for more information 8 DOWN UP V AND The function of these buttons depends on the tuning mode selected with the Preset Tune button No 7 The Preset Tune button toggles between the two operation modes a Preset mode indicated in the display area Press the W down button to scroll to a lower number Preset press the A up button scroll to a higher Preset number This is a wrap around function so that going from the highest number Preset the tuner will go to he lowest Preset number or vice versa when tuning either up or down b Tune mode Press the W down up button for more han 1 2 second to engage automatic tuning respectively up or down he frequency band The tuner will search automatically for the first reasonably s
11. Monitor selected ute on Speaker not properly connected or damaged Input lead disconnected or damaged n Setup OFF for surround speaker selected No surround mode selected ono sound source Speakers not properly connected Surround volume level too low In Setup OFF for centre speaker selected Speaker not connected properly Centre volume level set too low Source not connected using digital inputs Speakers wired out of phase Batteries flat or incorrectly inserted R transmitter or receiver windows obstructed R receiver in direct sun or very bright ambient ight Antenna leads incorrectly connected Station not selected or weak signal with FM ute on Weak signal ulti path signals or interference from another station nterference from other electrical sources computers games consoles nterference from fluorescent lighting or electrical motors Station signal too weak Station not transmitting RDS data SOLUTION Check if AC lead is plugged in and power switched on De select Tape Monitor mode Switch off Mute Check connections and speakers Check leads and connections Select appropriate Surround mode large or small Select a Surround Mode Test system with Stereo or Dolby Surround material Check speakers and connections Increase surround volume level Select appropriate Centre mode large or small Check speaker and connection Increase centre volume level Connect digital output of source
12. a Subwoofer To Adjust Speaker Settings When Front Panel Display shows SPK SET pressing the SET UP button on front panel again second press will enter the SPEAKER SETTING menu Rotate VOLUME SETUP knob to cycle between MAIN gt CEN gt REAR gt SUB gt EXIT First stop at MAIN and display shows LAR current setting for FRONT or MAIN speakers Press the SET UP button again to change the size Each press of the SET UP button will change the setting for that speaker MAIN Front Speakers can be selected as LRG or SML Now rotate the VOLUME SETUP knob until CEN LAR current setting for the CENTER speaker appears in the display window Press the SET UP button again to change the size Each press of the SET UP button will change the setting for that speaker CEN Centre Speaker can be selected as LAR SMA or OFF Now rotate the VOLUME SETUP knob until REAR LAR current setting for the SURROUND speakers appears in the display window Press the SET UP button again to change the size Each press of the SET UP button will change the setting for that speaker REAR Surround Speakers can be set to LAR SMA or OFF Now rotate the VOLUME SETUP knob until SUB ON current setting for the Subwoofer appears in the display window Press the SET UP button again to change the setting Each press of the SET UP button will change the setting for that speaker SUB subwoofer can be set to ON OFF Now rotate the VOLUME SETUP knob until EXIT appe
13. ars in the display window Press the SET UP button again to exit SPEAKER SETTING MENU Press the SET UP button again to exit the SET UP MENU Your speaker settings are now complete If in the future you add or change speakers his setup procedure should be repeated TIPS ON WHICH SPEAKER SETTINGS TO USE The four modes available to the T742 s setup are LARGE or SMALL and ON or OFF The LARGE mode is used when the speaker is full range and capable of reproducing the entire audible frequency spectrum 20Hz to 20kHz The SMALL mode is used when the speaker is not capable of reproducing the deepest bass portion of the audio frequency 20Hz to 100Hz The ON mode is used when the speaker is active and receives the audio information intended The OFF mode is used when the speaker is inactive Audio signals intended for speakers set to the OFF position are redirected to the main speakers Using a separate centre channel speaker will allow the dialogue to cut through even the biggest sound effects and musical scores Having the sound spread across three front speakers also stabilizes the stereo image making the usable listening area much bigger For best results you should consider using a centre speaker Ideally it should be the same type as the left and right speakers Installing surround speakers will greatly enhance the surround experience as these add considerably to the overall ambience Dolby Pro Logic encoded material is deliberately li
14. ative for headphone istening Use a suitable adapter to connect headphones with other types of connectors such as 3 5mm stereo personal stereo jack plugs nserting a headphone will automatically turn off all speakers and signals from the Audio Pre Out sockets and switches the T742 to the stereo mode Surround sound modes are not available when headphones are inserted in the headphone socket The sound from the EXT 5 1 CH input is not available on the headphones socket NOTES e n the VFL display Speaker settings be sure to have selected and adjusted a preset with MAIN SPEAKERS set to LARGE If set to SMALL bass response will be limited Listening at high levels can damage your hearing VIDEO 5 INPUT For easy and temporary connection you can connect a camcorder playback only or video game console If the game console or camcorder is mono connect the audio lead to the R Right audio socket 12 AUDIO amp VIDEO INPUT SELECTORS DVD amp SAT DVD amp SAT selects the signal from a TV Satellite Cable receiver or DVD player connected to DVD or SAT as the active input DVD or SAT is shown in the Display Panel when selected The Digital Input DVD or SAT is linked to the DVD or SAT input marked DVD amp SAT on back panel No 5 Digital Input DVD or SAT allow for connection of a digital source with an Optical Toslink digital output Whenever the corresponding digital input is activated Digital Input DVD or S
15. axial Digital SAT No 5 is linked to the SAT input Select SAT to hear a source connected to Digital SAT VCR amp VIDEO 4 Connections for the audio recording and playback to a VCR or other video recorder Using twin RCA to RCA leads connect to the left and right Audio Out of the VCR to the VCR or VIDEO 4 IN connectors for playback Connect the left and right Audio In of the VCR to the VCR or VIDEO 4 OUT connectors for recording Using a single RCA to RCA Video Composite lead or S Video lead also connect the video output of the VCR to Video In for Video playback Connect the Video Input of the VCR to Video Out of the NAD 1742 receiver for recording of video signals Refer also to the description of S Video and Video Composite above in this section The coaxial Digital Input VCR No 5 is linked to the VCR input Select VCR to hear a source connected to Digital Input VCR The coaxial Digital Input CD No 5 is linked to the CD input Select CD to hear a source connected to Digital Input CD 5 DIGITAL AUDIO INPUTS The T742 has four digital audio inputs to allow for connection of DVD CD Satellite receiver or other digital sources Digital AUDIO DVD and SAT allows for connection of a digital source with an Optical output Use a cable terminated with a TOS Link connector These Digital inputs are linked respectively to the VIDEO DVD SAT inputs Digital AUDIO VCR amp CD allow for connection of a digital source with a Coa
16. ce will sound unnatural To adjust the channel balance the T742 is equipped with a TEST button No 7 on the Remote Control to help assess the loudness levels of each speaker Before adjusting the channel balance level make sure the master volume is turned down to a normal listening level Pressing the TEST button engages the Test signal generator to allow for adjustment of all speaker levels so that each channel can be adjusted for equal loudness at your listening position The test signal scrolls automatically with 2 second intervals from Left Centre Right Rear Right Rear Left to sub woofer in continuous cycles If an adjustment in set ting is made for one of the speakers scrolling will stop until 2 seconds after the adjustment was made The display panel shows which speaker is being fed with the test signal Use the VOLUME buttons on the Remote Control to respectively increase or decrease the level for the current speaker NOTE There is no output in the Subwoofer during noise sequencer operation therefore it is difficult to adjust the level in test mode The Subwoofer level can be adjusted in the setup menu with musical input 18 The Channel Balance for each speaker can be adjusted in 1dB increments Continue to calibrate the level for each speaker until equal loudness is achieved at your listening position A more accurate adjustment can be made using a sound level meter if available Set the meter to Slow and C wei
17. cles or where the cord exits from the unit Unplug the unit from the wall outlet before cleaning Never use benzine thinner or other solvents for cleaning Use only a soft damp cloth The power supply cord of the unit should be unplugged from the wall outlet when it is to be unused for a long period of time Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through any openings This unit should be serviced by qualified service personnel when A The power cord or the plug has been damaged or B Objects have fallen or liquid has been spilled into the unit or C The unit has been exposed to rain or liquids of any kind or D The unit does not appear to operate normally or exhibits a marked change in performance or E The device has been dropped or the enclosure damaged DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Upon completion of any servicing or repairs request the service shop s assurance that only Factory Authorized Replacement Parts with the same characteristics as the original parts have been used and that the routine safety checks have been performed to guarantee that the equipment is in safe operating condition REPLACEMENT WITH UNAUTHORIZED PARTS MAY RESULT IN FIRE ELECTRIC SHOCK OR OTHER HAZARDS ATTENTION POUR EVITER LES CHOC ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE
18. device on a wall or ceiling should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overturn Read and follow all the safety and operating instructions before connecting or using this unit Retain this notice and the owner s manual for future reference All warnings on the unit and in its operating instructions should be adhered to Do not use this unit near water for example near a bath tub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool The unit should be installed so that its location or position does not interfere with its proper ventilation For example it should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through its ventilation openings The unit should be situated from heat sources such as radiators heat registers stoves or other devices including amplifiers that produce heat The unit should be connected to a power supply outlet only of the voltage and frequency marked on its rear panel The power supply cord should be routed so that it is not likely to be walked on or pinched especially near the plug convenience recepta
19. e that may be of sufficient magnitude to constitute a risk of electric shock to persons CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE 2 PARTS INSIDE REFER SERVICING TO The exclamation point within an equilateral triangle is intended to alert the user to the presence QUALIFIED SERVICE PERSONNEL 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 Do not use this unit near water such as near a bathtub washbowl swimming pool or the like 2 Heat Do not use this unit near sources of heat including heating vents stoves or other appliances that generate heat It also should not be placed in temperatures less than 5 C 41 F or greater then 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 surfac
20. e inputs will also accept a video signal which will be routed to the Monitor Out sockets No 7 for a television or video projector The DVD SAT VCR inputs also have the option of a an S Video connection using the Mini Din connector or the standard Video Composite connection using the yellow RCA socket The S Video standard allows for higher quality video signal transfer when compared to the Video Composite standard If your video components have an S Video connector use dedicated S Video leads to connect them to the T742 in the same way as described with the Video composite equivalents A video signal fed to an S Video input socket will be available on both the S Video Monitor Out and Video composite Monitor Out DVD amp SAT Inputs for the audio playback and video signal from a video device such as a stereo TV DVD player satellite cable TV receiver or a Laser Disc Using twin RCA to RCA leads connect to the left and right Audio Out of the video device to these inputs Using a single RCA to RCA lead Video Composite or S Video lead also connect the video output of the video device refer also to the description of S Video and Video Composite above in this section DVD amp SAT can be used for video playback only Use VCR or VIDEO 4 if you want to connect a VCR for recording and playback through the T742 The optical Digital DVD No 5 is linked to the DVD input Select DVD to hear a source connected to Digital DVD The co
21. e plug required is a standard 3 5mm Mini Jack plug mono The tip is the live or connection the shaft of the jack is the 12V trigger or ground connection NOTES Check the specifications of the trigger input terminal on the other component to ensure it is compatible with the T742 s 12V trigger output e The T742 s 12V trigger output voltage is 12V DC The total maximum current must not exceed 200mA Typically NAD 12V input triggers draw less then 10 of current NAD components equipped with 12V input triggers are fully compatible with the T742 s 12V trigger output e Before making any connections to any 12V trigger input or output make sure all components are disconnected from the AC mains Failure to observe the above may result in damage to the T742 or any ancillary components attached to it If in doubt over the connections installation and operation of the 12V trigger output consult your NAD dealer 10 FRONT PANEL CONTROLS FIGURE 2 1 POWER Press the POWER button to switch the receiver to STANDBY mode Press any input selector button on the front panel or the POWER button 1 on the Remote Control to switch the receiver fully on The display will light up indicating which input was selected the Stand by indicator will extinguish Pressing the POWER switch again will turn the unit OFF completely The NAD T742 receiver uses a memory back up system to store surround sound trim settings and Preset station infor
22. e 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 Condensation Moisture may form on the CD pickup lens when The unit is moved from a cold spot to a warm spot The heating system has just been turned on The unit is used in a very humid room The unit is cooled by an air conditioner When this unit has condensation inside it may not function normally Should this occur leave the unit for a few hours then try to operate again 8 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 C This product is manufactured to comply with the radio interference requirements of EEC DIRECTIVE 89 68 EEC and 73 23 EEC 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 whic
23. er 2 CENT WIDTH Layer 3 O to 7 PRESET Layer 2 DIM ENSION Layer 3 3 to 3 units Layer 2 EXIT Layer 1 EXIT DIMENSION Dolby Pro Logic Il Music Mode only This allows teh gradual adjustment of the sound field either towards the front or the rear This can help achieve the desired balance from all the speakers with certain recordings that may contain either too much or too little spatial effect Step 0 is the recommended setting of which has no effect on the sound Steps 1 42 and 3 gradually move the sound forward and Steps 1 2 and 3 moves the sound towards the surrounds To access the SET UP menu press SET UP button to go to Layer 1 SPK SET Use VOLUME SET UP knob to change selection at Layer 1 Press SET UP button to enter Layer 2 Use VOLUME SET UP knob to change selection at Layer 2 Press SET UP button to enter Layer 3 Use VOLUME SET UP knob to change selection at Layer 3 While at Layer 3 press SET UP button to exit Layer 3 and go back to Layer 2 While at Layer 2 or Layer 1 selecting Exit then pressing SET UP will go back one level up After a 5 sec default time if no adjustment is made the 742 will automatically exit the set up mode and return to the last selected input Refer to section SETTING UP A SURROUND SYSTEM below for more detailed information on making these adjustments 18 TONE CONTROLS This button is used to adjust Bass and Treble response to suit personal taste or to compe
24. ext one of the three modes a In the default mode the stations RDS name is displayed Program Service PS normally the station s calling letters BBC R3 for instance b From the default mode press the button once to view Radio Text RT This can be additional information such as the presenters or program s name what song is playing etc This text scrolls continuously over the 8 alphanumeric display segments It takes a ew seconds for the tuner to gather the RT information so immediately after tuning to a station and selecting to view RT the display will indicate NO TEXT and default to the station name If no RT information is available the display will also show NO TEXT for hree seconds before reverting to the default mode Press the button from the display RT mode to display the station requency Press again to return to the default mode a When the DISPLAY button is pressed when tuned to a non RDS station the display will show NO NAME for three seconds before reverting to the default display 4 The FM AM button switches the tuner section from the band to the FM band and vice versa The Display Panel shows the frequency of the tuned station and which band is selected The FM tuning is in 0 05 MHz increments AM tuning is in 9 kHz or 10kHz increments depending on the version 9 kHz for the 230V version or 10 kHz for the 120V version To change the AM increment tuning steps press the FM AM and CD b
25. ghted modes and re check the settings with the meter placed in several different positions in the general listening area Press the TEST button again to leave or cancel the Test mode any changes will be memorized automatically Select the channel for which you wish to adjust and set the level so that it matches the other speakers For best results it is best to start with the Left channel set at OdB and to match the other speakers to it Normally if the Right speaker is located at the same distance from the listening position to the Left speaker it should be set at the same level as the Left speaker NOTE If no level adjustments were made press TEST again to return to the selected source Any changes in the Channel Balance Setting under the test mode will be memorized automatically The Delay time for the Surround speakers also needs to be correctly set for your normal listening position Refer to the section Channel Delay in this chapter for more information PROBLEM NO SOUND NO SOUND ON ONE CHANNEL NO SOUND ON SURROUND CHANNELS NO SOUND ON CENTRE CHANNEL DOLBY DIGITAL OR DTS AUTO DETECTION FUNCTION DOES NOT WORK WEAK BASS DIFFUSE STEREO IMAGE REMOTE CONTROL HANDSET NOT WORKING NO SOUND WITH TUNER NOISE HISS ON AM AND FM STORTION ON FM WHISTLES OR BUZZES ON FM amp AM WHISTLES OR BUZZES ON AM NO RDS NAME PS CAUSE Power AC lead unplugged or power not switched on Tape
26. h 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 plug 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 u
27. ing any connections The RCA sockets on your NAD T742 are color coded for convenience Red and white are Right and Left audio respectively black for digital input yellow for Video Composite Use high quality leads and sockets for optimum performance and reliability Audio RCA leads will function correctly for video signals although it is recommended to use dedicated video leads where possible For the digital inputs use dedicated leads for digital signal transfer Ensure hat leads and connectors are not damaged in any way and all connectors are firmly pushed home For best performance use quality speaker leads of 16 gauge 1 5mm hickness or more f the unit is not going to be used for some time disconnect the plug from the AC socket Should water get into your NAD T742 shut off the power to the unit and remove the plug from the AC socket Have the unit inspected by a qualified service technician before attempting to use it again Do not remove the cover there are no user serviceable parts inside Use a dry soft cloth to clean the unit If necessary lightly dampen the cloth with soapy water Do not use solutions containing benzol or other volatile agents EXPLANATION OF GRAPHICAL SYMBOLS CAUTION The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert RISK OF ELECTRIC SHOCK AN the user to the presence of uninsulated dangerous voltage within the product s enclosur
28. is actually further away than the front left and right speakers In these cases set the centre channel delay to OmS The centre channel delay time adjustment is only available in Dolby Digital surround mode easure the distance from the listening position to either the left or right rear speaker dLS or dRS Subtract the rear speaker distance from the ront speaker distance dFL or dFR The resulting distance is equivalent to he delay in milliseconds for the rear delay setting For example if your rear speaker distance is 6 feet 1 8 m and the front distance is 12 feet 3 7 m the correct rear channel delay setting is 6 milliseconds Again set he rear channel delay to OmS if the rear channels are further from the istening position than the front speakers n Dolby Digital surround mode the rear channel delay time can be set rom Oms to 15ms with 1ms increments In Dolby Pro logic surround mode he rear channel delay time can be set from 15ms to 30ms and 1ms per step In DTS surround mode the channel delay time cannot be adjusted LEVEL SETTING CHANNEL BALANCE The output levels of each of the speakers connected to the T742 may need to be adjusted so that there is an even balance of sound from all he speakers in the system If for instance the relative volume level to he Left and Right speakers and the centre speaker is set too low most of dialogue may be difficult to follow If on the other hand it is set too oud the over all balan
29. isengaged again 15 EXT 5 1 Selects the multi channel output signal from the DVD player or external decoder source such as MPEG for instance connected to the 5 1 Ch Input as the active input The 5 1 Input is a direct pass through with only the volume control in the circuit Bass management settings and tone controls are not available on this input NOTE No Ext 5 1 audio signal is available from headphones socket the Tape VCR and Video 4 out puts when the Ext 5 1 input has been selected 16 SURROUND MODE With the Surround Mode buttons the available surround sound modes can be selected The selected Surround mode is permanently indicated in the display Area The Surround Mode buttons scroll through the available surround sound modes With any of the Digital Inputs DVD SAT VCR or CD press DVD SAT VCR or CD respectively to select the T742 automatically recognizes if the selected source carries a Dolby Digital or DTS signal When no Dolby Digital or DTS signal is available the Surround Mode buttons scrolls through the other available surround sound modes ENHANCED STEREO gt PLII MOVIE gt PLII MUSIC gt PLII PAN gt PLII MATRIX gt PROLOGIC gt EARS gt back to ENHANCED STEREO With either Dolby Digital or DTS surround mode engaged the Dolby Pro Logic and Ears surround modes cannot be selected Dolby Digital and DTS has six independent channels available in total Left Centre Right Surround left Surro
30. mation for the tuner section This information is retained for several weeks even the unit is switched off completely or unplugged REMOTE CONTROL Power button Press this button to switch the unit from operating to the Stand by mode and vice versa Press this button again to switch to unit on from Stand by the last selected source will be indicated in the display NOTE Stand by mode is indicated by the Stand by indicator No 2 just over the green Power button on the front panel No 1 In Stand by mode the T742 uses very little power However it is recommended that you switch the unit totally off if it is not going to be used for more than a couple of days Switch off completely by pressing the Power button on the front panel No 1 all lights will extinguish 2 STAND BY INDICATOR This green LED will light up when the receiver is switched On but in Stand by mode Refer to section 1 in this chapter for more information 3 DISPLAY The T7425 FM tuner supports RDS PS and RDS RT With stations carrying RDS information RDS will light up in the display panel and the station s RDS name is automatically displayed RDS PS Some radio stations which support RDS also transmit additional information known as Radio Text RDS RT To view this information use the Display button With stations carrying RDS information the DISPLAY button scrolls between three different display modes each successive push of the button engages the n
31. ming signal and selected SETUP SETUP Function Accesses the DVD Players M enu Refer to the NAD DVD player Owner s Manual for more detailed information on this function 6 DYNAMIC RANGE NEXT DISC The DYN R button which can be used only in combination with a Dolby Digital source incrementally reduces the audio tracks dynamic range in four steps 10096 75 50 and 25 to allow for comfortable listening under a variety of conditions The normal or default position is 10096 To adjust the dynamic range each consecutive press of the DYN R button will reduce the value in 2596 increments as shown in the alpha numeric display section NEXT DISC functions with a DVD Changer NAD T571 to select the next disc loaded in the carousel Each press of the button advances by one disc Refer to the NAD DVD player Owner s Manual for more detailed information on this function NOTE Although we usually prefer to reproduce a source s full dynamic range the difference between very loud and very soft sounds it may occasionally be desirable to reduce the dynamic range For example when playing a movie late at night loud explosions might wake sleeping family members Simply turning the volume control down would probably make a whisper in the next scene inaudible The DYN R button solves this dilemma by progressively lowering the volume of loud peaks while increasing the level of softer sounds 7 TEST TITLE Pressing the TEST button engages
32. minutes Pressing the SLEEP button once will set the sleep ime to 90 minutes after which the T742 will automatically switch off into Standby mode Sleep mode is shown on the Display Panel To adjust he Sleep Delay press the SLEEP button each consecutive press will reduce the sleep time in 30 minute increments as shown in the Display Panel To cancel the Sleep mode continue pressing the SLEEP button until the sleep time returns to O minutes Pressing the POWER on the ront panel No 1 or POWER button on the remote control No 1 will also cancel the Sleep mode 3 INPUT SELECTION The EXT 5 1 DVD SAT VCR and VIDEO 4 TO VIDEO 5 TAPE MON FM AM and CD Input selectorbuttons perform the same function as those on the front panel of the T742 4 NUMERIC KEYPAD RCVR mode The numeric keypad can be used to directly access FM and AM Station Presets by pressing the number of the desired preset DVD mode These keys can also be used to select CD tracks and enter chapter numbers in the DVD mode consult the DVD Players instruction manual for specific details 5 SURROUND SETUP SURR Function This button sequentially cycles through the available surround modes STEREO gt ENHANCED STEREO gt PL MOVIE gt PL II MUSIC gt PL Il PAN gt PL Il MATRIX gt PROLOGIC gt EARS and wraps back to STEREO Each press of the button advances the T742 to the next surround mode DOLBY DIGITAL and DTS are automatically detected on the inco
33. mited in dynamic range and frequency bandwidth for the surround channel and thus only requires speakers of far lesser specification compared to the front channels Dolby Digital however is a full range system with two independent surround channels and with dynamics equal to that of the front channels For this reason it is advisable to choose loudspeakers which are similar in power handling and performance capability to those of the front channels For best results the Surround loudspeakers should not beam the sound directly at the listener One way of achieving this is to use dipole Surround speakers which aim the sound down the walls rather than directly into the room Many film soundtracks rely heavily on very low frequency sound effects which are difficult for normal or smaller hi fi speakers to reproduce To faithfully reproduce these low frequencies you can use a specially designed low frequency loudspeaker with its own built in amplifier active subwoofer Because it is difficult to hear which direction very low frequencies are coming from you only normally need one sub woofer and this can be placed virtually anywhere in the room The Subwoofer output of the T742 is designed specifically to drive a subwoofer system Dolby Digital uses a dedicated Low Frequency Effects LFE channel If a subwoofer has been selected the LFE channel will be fed to the sub woofer output If no subwoofer is selected the LFE channel is redirected to
34. mory mode without storing a station leave all the tuner controls untouched the Memory mode will automatically cancel itself after 10 seconds The Memory Presets have a memory back up so they will remain stored for several weeks even if the Receiver is switched off or unplugged from the mains supply NOTE You can enter a new station into an unused Preset or over write an existing programmed Memory Preset By doing this you will replace the radio station previously held on that Preset number RECALLING A PRESET STATION To select a Preset station Select the Preset mode by pressing the PRESET TUNE button No 7 until PRESET lights up in the display e Press either the W down up button No 8 until the right Preset is found and shown in the Display Panel NOTE Any unused Presets will be skipped To Directly Access a Preset Station from the Remote Control Press the numeric key on the Remote Control AVR 2 the Preset number selected flashes in the Front Panel display window for 2 secs allowing for a valid second key entry for presets 10 and above 14 DELETING A STORED PRESET You can empty a Preset by deleting the stored information e Press MEMORY button No 6 Press DOWN UP buttons No 8 to select the preset number to be deleted e Press the MUTE MODE button No 5 The Preset will then be deleted and appears as the Preset number You can also store a new station into a used Preset by si
35. mply going through the Preset storing process and placing a new station over the existing one REMOTE CONTROL AVR 2 FIGURE 3 The T742 is supplied with the NAD AVR 2 Remote Control Apart from all the primary operating functions the AVR 2 Remote Control handset also gives access to functions not available on the front panel of the T742 It also has additional controls to remotely operate NAD T550 155 T531 and T571 DVD Players The function of the buttons will change between the T742 Receiver and the NAD DVD Player depending on the position of the RCVR DVD switch See 25 below Shared buttons buttons that function with the switch in either position have the receiver function printed on the button itself with the secondary DVD function printed on the body of the remote handset Alkaline batteries are recommended for maximum operating life Two AAA R 03 batteries should be fitted in the battery compartment at the rear of the Remote Control handset When replacing batteries check that they have been put in the right way round as indicated on the base of the battery compartment It will operate up to a distance of 16ft bm 1 POWER Press this button to switch the unit from operating mode to the Stand by mode and vice versa Press this button again to switch the unit on from Stand by the last selected source will be indicated in the display 2 SLEEP Press SLEEP to make the T742 automatically switch off after a preset number of
36. n DVD1 codes for T550 and 155 DVD Players and DVD2 codes for 1531 and T571 DVD Players SETTING UP THE SURROUND SYSTEM To obtain the best results in any of the Surround Modes it is important that the T742 is carefully set up The Dolby Surround system requires that you specify the parameters of your speaker setup so it can properly direct the decoded surround sound signal in the correct proportion to create the most accurate theatrical effect Dolby also allows for the redirection of bass frequencies to the most appropriate speaker s This is also known as bass management The setup procedure is broken down in three sections 1 Speaker Settings by Front Panel controls 2 Channel Delays by Front Panel controls 3 Level Settings for correct Channel Balance by Remote Control handset SPEAKER SETTING OPTIONS SPK SET DELAY MAIN LAR or SMA CEN 0 5 mS CENT LAR SMA OFF REAR 0 15 mS Dolby Digital 15 30 mS Dolby Pro Logic REAR LAR SMA OFF EXIT SUB ON OFF EXIT TO ACCESS THE SPEAKER AND DELAY SETTING ADJUSTMENTS Pressing the front panel SET UP button first press the display will show SPK SET Rotating the VOLUME SETUP knob alternately cycles the setting between SPK SET DELAY EXIT and then wraps back to SPK SET Speaker Settings First you need to indicate which speakers are connected to your T742 Besides the Main speakers Left amp Right these can include a Centre two Surround Speakers and
37. n any amplifier is driven beyond it s power output capabilities a hard distorted sound can be heard on very loud sounds This is caused by the amplifier cutting off or hard clipping the peaks of sound that it was not designed to reproduce The NAD Soft Clipping circuit gently limits the output of the system to minimize audible distortion if the amplifier is overdriven If your listening involves moderate power levels you may leave the Soft Clipping switch off If you are likely to play at high levels that exceed the amplifiers power capability then switch Soft Clipping on 10 IR INPUT This input is connected to an output of an infrared receiver This This remote control input is usually used in custom installations Ask your dealer or custom isnstaller for further details 11 AC POWER CORD After you have completed all connections to the amplifier plug the AC line cord into a live wall socket 12 12 VOLT TRIGGER OUT The 12V trigger output allows to remotely switch on or off ancillary equipment such as a CD player power amplifier etc which are also equipped with a 12V trigger input This can also be an AC outlet power strip equipped with a 12V trigger input The 12V trigger output is activated whenever the T742 is switched to normal operational mode from Stand by or Off For switching Stand by Power On of the external component connect the 12V trigger output of the T742 to the remote component s DC input jack Th
38. nsate for less than optimal program sources Each press of the TONE CONTROLS button cycles through BASS gt TREB gt and back to the previously selected input Adjustment of Bass and Treble response is accomplished by turning the VOLUME SET UP knob Adjustment can be made in 2 dB increments up to 10 dB After a5 sec default time if no adjustment is made the T742 will automatically exit the TONE CONTROLS mode and return to the last selected input 13 STORING AND RECALLING PRESETS TO STORE A PRESET Tune to the radio station you wish to enter into a Preset refer to chapter Front Panel Controls section 8 If the station is ransmitting RDS information the RDS indicator will light up and station initials will be shown in the Display Panel If a non RDS station is found then just the frequency will be shown e To store that station as a Preset press MEMORY No 6 MEMORY and the preset section in the display panel will start to flash If no other button is pressed within 10 seconds MEMORY will stop to lash and the receiver will default to its previous state Press either the W down up button to select which Preset number you wish to assign to the station from 1 to 30 on FM and 1 to 10 on AM shown as a flashing number in the Display Panel and then press MEMORY No 6 again The Memory light in the Display Panel will go out and the station is now stored in your NAD T742 s memory To exit the Me
39. ntenna grounding electrode is used see NEC Section 810 21 j a EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810 RADIO AND TELEVISION EQUIPMENT POWER LINES SERVICE 7 ENTRANCE CONDUCTORS ANTENNA SERVICE ENTRANCE LEAD IN WIRE EIE E GROUND CLAMPS um WIRE Soy ANTENNA DISCHARGE UNIT POWER SERVICE GROUNDING 3 i ELECTRODE SYSTEM 5 7 GROUND E EXTERNAL e g Interior metal water pipe BONDING JUMPER WIRE ANTENNA TERMINALS CLAMPS OF PRODUCT OPTIONAL ANTENNA GROUND ING ELECTRODE DRIVEN 8 FEET 2 44M INTO THE EARTH IF REQUIRED BY LOCAL CODES SEE NEC SECTION 810 21 f NOTE TO CATV SYSTEM INSTALLER This reminder is provided to call the CATV system installer s attention to Article 820 40 of the National Electrical Code that provides guidelines for proper grounding and in particular specifies that the ground cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical NOTES ON INSTALLATION Your NAD 7742 should be placed on a firm level surface Avoid placing the unit in direct sunlight or near sources of heat and damp Allow adequate ventilation Do not place the unit on a soft surface like a carpet Do not place it in an enclosed position such a bookcase or cabinet that may impede the air flow through the ventilation slots Make sure the unit is switched off before mak
40. ons 2 TAPE 1 amp CD INPUT TAPE 1 Connections for analogue recording and playback to an audio tape recorder of any type such as a cassette reel reel DAT MD or DCC Using twin RCA to RCA leads connect to the left and right Audio Output of the tape machine to the TAPE 1 IN connectors for playback Connect the left and right Audio Input of the tape machine to the TAPE 1 OUT connectors for recording CD INPUT Input for CD player analogue audio signal or other line level signal source Use a twin RCA to RCA lead to connect the CD player s left and right Audio Outputs to this input 3 5 1 CHANNEL INPUTS Inputs for the multi channel audio signals from an external decoder such as an MPEG decoder or a DVD player with integrated decoder Use two twin RCA to RCA lead to connect the decoderS front left and right Audio Outputs to the Front left and right inputs and the decoder s Surround left and right outputs to the Surround left and right inputs Use a third twin RCA to RCA lead to connect the decoder s subwoofer output to the Subwoofer input and the decoder Centre channel output to the Centre channel input Make sure you to follow color coding of the plugs to ensure that both Centre and Subwoofer are connected correctly for instance use the red plugs at either end to connect the centre channel and the white plugs for the subwoofer channel 4 DVD SAT VCR VIDEO 4 AUDIO amp VIDEO Apart from the audio signal thes
41. puts will be present on these outputs This way you can watch a DVD player or video whilst listening to the CD player The display indicates which video signal is routed to the MONITOR OUT sockets No 7 on back panel 13 CD Selects the CD as the active input The Digital Input CD is linked to the CD input marked CD on the back panel No 5 Digital source with a coaxial RCA jack dgital output Whenever the corresponding digital input is activated Digital Input CD will also be selected in the display the DIGITAL indicator will start to blink If a digital audio signal is detected the DIGITAL indicator will stop blinking and remain lit If no digital audio signal is detected the DIGITAL indicator will cease blinking and extinguish 14 TAPE MONITOR Selects the output from a tape recorder when playing back tapes or monitoring recordings being made through the Tape sockets Press the TAPE MONITOR button once to select it and again to return to the normal input selection The Tape Monitor function does not override the current input selection For example if the CD is the active input when Tape Monitor is selected he CD signal will continue to be selected and is sent to the Tape Out VCR and Video 4 Out sockets But it is the sound from recorder connected to Tape that will be heard on the loudspeakers when the TAPE ONITOR function is selected When Tape Monitor is selected TAPE ONITOR will remain lit until Tape Monitor is d
42. r Refer also to the chapter Setting Up the Surround Sound System for more information Use the MENU in DVD mode to display the menu screen included on DVD video discs Refer to the NAD DVD player Owner s Manual for more detailed information on this function 9 VOLUME ARROW Volume or respectively increases or decreases the volume setting for all speakers The display panel will indicate the level set The Volume control does not affect recordings made using the Tape and Video or Tape VCR and Video 4 out puts but will affect the signal going to the Pre amp output Audio Pre Out and headphones In DVD mode these keys function as the UP and DOWN ARROW keys used for navigating the various graphical user interface GUI menus on both the DVD player and DVD Video discs Refer to the NAD DVD player Owner s Manual for more detailed information on this function 10 MUTE ENTER Press the MUTE button to temporarily switch off the sound to the Speakers and headphones Mute mode is indicated by MUTING flashing in red in the display area Press MUTE again to restore sound Mute does not affect recordings made using the Tape out puts but will affect the signal going to the Audio Pre outs and headphones NOTE When the unit is in mute mode any adjustment of the VOLUME CONTROL on the front panel No 10 or Remote Control No 9 will release the muting i e the original volume level will be resumed 11 TUNE UP TUNE DOWN AND ARROW
43. scs this button pauses playback With DVD video discs this button places the player in the still picture mode and each successive press of the button advances STEPs the picture by one frame Press the PLAY button to return to normal playback 18 SKIP PI SKIP This button advances or moves back a chapter DVD or track CD each time the button is pressed 19 REPEAT Repeats a program or an entire DVD or CD disc 20 SCAN gt P SCAN 4 This button scans fast forward or back with DVD or CD discs Each time the button is pressed the speed of scanning is increased Press PLAY to return to normal playback 21 PROGRAM This button is used to create playback programs on CD discs 22 AUDIO This button changes the audio soundtrack language on DVD video discs hat support this feature 23 SUBTITLE This button changes the subtitle language on DVD video discs that support this feature 24 CLEAR This button is used to defeat or clear repeat play programs 25 RECEIVER DVD SWITCH This switch changes the function of the keys on the remote from the T742 RECEIVER commands to the DVD Player commands This remote includes the codes for use with NAD T531 T571 T550 and L55 DVD Players only 26 ZOOM The ZOOM function allows you to enlarge a selected portion of the video image close up 16 27 DVD1 DVD2 SWITCH This switch is located inside the battery compartment of the AVR 2 and changes the DVD functions betwee
44. ser 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 The AC power plug has been damaged Foreign objects or liquid have gotten inside the unit The unit has been exposed to rain or water The unit does not seem to operate normally The unit exhibits a marked change in performance 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 FIG 1 REAR PANEL CONNECTIONS T 742 SWITCHED OUTLETS 6 7 9 8 11 1 1 1 1 I 1 1 ANTENNA NAD 2002 T742 FIG 2 FRONT PANEL CONTROLS AV Surround Sound Receiver T 742 VOLUME SET UP TAPE SURROUND TONE PHONES VIDEO 5 INPUT ovo VCR VIDEO4 VIDEOS CD MONTOR SETUP CONTROLS 0597 tert R Launo NAD 2002 1742 13 14 15 16 17 18 12 FIG 3 REMOTE CONTROL My in o g g g REAR PANEL CONTROLS FIGURE 1 1 FM amp AM ANTENNA AM ANTENNA An AM loop an
45. t Now rotate the VOLUME SETUP knob until REAR OmS current delay setting for Surround Speakers appears in the display window Press the SET UP button again to change the delay setting Rotate the VOLUME SETUP knob to change centre delay adjustment in 1mS increments from OmS to 15mS in Dolby Digital mode or 15mS to 30mS in Dolby ProLogic mode Press SET UP button again to exit Rear delay adjustment Now rotate the VOLUME SETUP knob until EXIT appears in the display window Press the SET UP button again to exit DELAY SETTING MENU Press the SET UP button again to exit SET UP MENU Your speaker settings are now complete If in the future you add change or move Speakers this setup procedure should be repeated 17 TIPS FOR SETTING DELAY Measure the distance from the listening position to the centre speaker dC and to one of the front speakers dFL or dFR Subtract the centre channel distance from the front L or R channel distance For example if the front speakers are 12 feet 3 7 m from the listening position and the centre speaker is 10 feet 3 0 m the difference is 2 feet 0 6 m For this example the centre channel delay is set to 2 milliseconds or ms The T742 can delay the centre channel output up to 5 milliseconds and thus compensates for centre channel speakers that are up to 5 feet 1 5m closer to the listening position than the front left and right speakers NOTES In rare system setups the centre channel speaker
46. tenna is supplied with the T742 and is required for AM reception Open the clip terminal lever and insert the wire from the antenna Closing the lever will lock the wire in place Fig 5 Test various positions for the antenna but always ensure the loop is placed vertically for best reception Placing the antenna close to large metal items such as metal shelves or radiators may interfere with reception NOTE When reception is not satisfactory using the supplied AM loop antenna alone connection of an external antenna is recommended Do not connect anything other than a loop antenna to the AM ANTENNA terminal Do not remove the AM loop antenna The antenna cable to the loop antenna must not exceed 3 meters FM ANTENNA A ribbon wire FM antenna is included and should be connected to the FM connector at the rear of the unit Fig 4 using the balun adapter supplied The ribbon aerial should be mounted on a vertical surface and placed so that it forms a T Experiment with placement of the antenna to find the position that gives the best signal strength and lowest background noise An inadequate FM signal normally results in high levels of hiss especially in stereo and interference from external electrical sources In areas of poor FM reception the tuner section s performance can be improved by using an externally mounted FM antenna A qualified aerial installer will be able to advise and fit a recommended aerial for your reception conditi
47. trong radio station where it will stop Press the Down Up button again for 1 2 second to start searching again NOTE Automatic tuning is available on both FM and AM By briefly tapping the W down or up buttons you can engage manual tuning respectively down or up the frequency band for precise tuning to a specific frequency With each successive tap of the keys the tuner will take 0 05 MHz steps on FM so you can accurately tune into the desired frequency This tuning mode can also be useful when trying to receive a radio station which is too weak for the auto search mode When tuned accurately to a station BP TUNED will light up in the display Very weak radio station signals however may be suppressed by the muting circuit If such a very weak station is in stereo it will have a high level of background hiss Switching to Mono and disengaging the muting circuit by depressing the FM MUTE MODE button No 5 will allow the station to be heard and will cancel most or all of this background noise Refer to the separate chapter Storing and Recalling Presets for more information 9 VFL DISPLAY Vacuum Fluorescent Display The display area will show all vital information when the unit is operational 10 VOLUME amp SET UP In the default function this control acts as Volume control adjusting the overall loudness of the signals being fed to the loudspeakers and headphones Unlike conventional controls the T742 s vol
48. ume control doesn t have a start or end position Volume can also be adjusted from the remote control handset using the Master Volume Up or Down buttons The Volume control does not affect recordings made using the Tape VCR and Video 4 outputs but will affect the signal going to the Pre amp output Audio Pre Out The volume level is indicated in the display panel when it is being adjusted After three seconds the display defaults to its previous status Volume setting can range from to 184 On the remote control handset press the Mute button to temporarily switch off the sound to the speakers and headphones Mute mode is indicated by MUTING flashing in red in the display area Press Mute again to restore sound Mute does not affect recordings made using the Tape VCR and Video 4 outputs but will affect the signal going to the Pre amp output Audio Pre Out and headphones 11 The control is also used to adjust various set up settings and levels for the T742 In conjunction with the SETUP button No 17 the speakers size and delay can be adjusted in conjunction with the Tone Control button No 18 the Bass and Treble levels can be adjusted Refer also to sections SETUP and Tone controls in this chapter 11 HEADPHONE SOCKET amp VIDEO 5 INPUT HEADPHONE SOCKET A 1 4 stereo jack socket is supplied for headphone listening and will work with conventional headphones of any impedance The volume and tone controls are oper
49. und Right and an Effects Channel Subwoofer The Dolby Digital signal allows for several channel configurations DTS digital surround is an Encode Decode system that currently delivers six discrete channels 5 1 of Master Quality up to 24 bit audio Dolby Pro Logic decodes the centre and surround sound signals embedded in stereo movie sound tracks from e g video Laser Disc or TV To decode correctly he source must be a Dolby Surround or Dolby Stereo soundtrack n the EARS Enhanced Ambiance Retrieval System Surround Mode a realistic level of ambience of surround sound is added to a normal stereo source such as a CD or FM radio Dolby Pro Logic is the latest decoder for Dolby Surround It enhances Dolby Pro Logic Movie is actually an improvement over Dolby Pro Logic by giving an extra stereo surround channel and without a frequency filter on the speaker signal Dolby Pro Logic Music is especially for music but not movies Dolby Pro Logic Panorama is a mode for extention of teh front stereo image to include the surround speakers for exciting wraparound effect with side wall imaging Dolby Pro Logic Matrix is mor or less the same as Music mode ecxept mono signals are processed to seem wider n the Enhanced Stereo M ode the T742 delivers Right amp Left channels to Surround Left amp Surround Right and 6 dB to the Centre Channels 17 SET UP This button is used to configure the T742 to match with the specific
50. uttons at the same time 5 FM MUTE MODE This button combines two functions it switches the tuner from FM Stereo to Mono mode and disengages the muting circuitry at the same time The muting circuit will mute the tuner in between radio stations when searching or tuning This way the tuning noise is avoided Very weak radio station signals however may be suppressed by the muting circuit if such a very weak station is in stereo it will have a high level of background hiss Switching to Mono and disengaging the muting circuit by depressing the MUTE MODE button will allow the station to be heard and will cancel most or all of this background noise In normal operation the mute circuit is engaged the display indicates FM MUTE Press the FM Mute Mode button to disengage the muting circuit and switch from stereo to mono reception FM MUTE will extinguish in the display Also FM STEREO will extinguish if a stereo broadcast was received Press the FM Mute Mode switch again to return to Auto Stereo FM operation In combination with the MEMORY button No 6 and DOWN UP buttons No 8 a preset number can be emptied Refer to the separate chapter Storing and Recalling Presets for more information 6 MEMORY The Memory button is used to store stations into the Preset Memory 1 30 Presets on FM 1 10 Presets on AM used in conjunction with the Down Up No 8 buttons on the front panel In combination with the FM
51. wer amplifier built in for an additional subwoofer The Subwoofer pre out allows for connection to a sub bass speaker system with its own external or integrated power amplifier active subwoofers 7 MONITOR OUT Composite Video and S Video outputs for connecting a TV or Video Monitor to view video sources connected to DVD to VIDEO 5 Usi ideo RCA to RCA lead connect the Video Line In on the TV oy monitor to the MONITOR OUT Note that an S Video signal will also be available as a Video Composite signal on Monitor out if the corresponding source is selected The composite video input signals No 4 yellow sockets will also be available as S Video signal on the Monitor Out socket If you use both S Video and Video composite sources you will only need to connect the S Video Monitor Out to the television or projector 8 SPEAKERS FRONT CENTER amp SURROUND SPEAKERS FRONT SPEAKERS Connect the right speaker to the terminals marked FR ensuring that the red terminal is connected to the terminal on your loudspeaker and the black terminal is connected to the loudspeakers terminal Connect the terminals marked FL to the left speaker in the same way Always use heavy duty 16 gauge 1 5mm or thicker stranded wire to connect loudspeakers to your T742 Unscrew the speaker terminal s plastic bushing Insert the bare cable end into the hole of the terminal and then secure the cable by tightening down the terminal s bushing
52. xial digital output Use a cable with the right impedance specifically designed for the transfer of digital signals These digital inputs are linked respectively to VIDEO VCR and CD 6 AUDIO PRE OUTS SUBWOOFER OUT AUDIO PRE OUTS The NAD 1742 receiver has five power amplifiers built in to power all the speakers connected to it Left Right Centre Left Surround Right Surround It is also possible to use the T742 as a pre amplifier to drive external power amplifiers This way you use all the control functions the T742 provides such as input select surround mode volume tone controls etc but the external power amplifier actually powers the speaker connected to it instead of the 77425 integrated power amplifier for that channel Connect the RCA to RCA leads from the Front left and Right Centre and or Surround Left and Right Audio pre out connectors to the external amplifiers Connect speakers to the external amplifiers NOTES e Never connect the 742 speaker outputs and the speaker outputs of an external amplifier to the same speakers When headphones are inserted the signals from all audio pre out outputs will be muted Before making any connections check that the T742 and the power amplifiers it will be connected to are switched off With volume turned down to a low level switch power on only after all connections have been made SUBWOOFER OUT Unlike for the full range five channels as described above there is no po
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