NAD Electronics C720BEE User's Manual
Contents
1. C720BEE Stereo Owner s Manual Manuel d Installation Bedienungsanleitung Gebruikershandleiding Manual del Usuario Manuale delle Istruzioni Manual do Propriet rio Bruksanvisning Rai 5 IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS Save these instructions for later use Follow all warnings and instructions marked on the audio equipment 1 Read instructions All the safety and operating instructions should be read before the product is operated 2 Retain instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the product and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 6 Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards 7 Water and Moisture Do not use this product near water for example near a bath tub wash bowl kitchen sink or laundry tub in a wet basement or near a swimming pool and the like 8 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the pro2. 40dB 1 5dB 30Hz 15kHz 435 x 147 x 387mm 8 7kg 19 216 11 4kg 25 1lb 1 From CD input to speakers output volume setting for 500mV 1W out 2 Minimum power per chnnel 20Hz 20kHz both channels driven with no more than rated distiortion 3 Total harmonic distortion 20Hz 20kHz from 250mW to rated output Interrmodulation distortion 60Hz 7kHz 4 1 from 250mW to rated output 5 CCIF IM distortion 19 20kHz 250mV to rated output 13 TROUBLESHOOTING PROBLEMI NO SOUND NO SOUND ON ONE CHANNEL WEAK BASS DIFFUSE STEREO IMAGE REMOTE CONTROL HANDSET NOT WORKING NO SOUND WITH TUNER NOISE HISS ON AM AND FM DISTORTION ON FM WHISTLES OR BUZZES ON amp AM WHISTLES OR BUZZES ON AM NO RDS NAME PS 14 CAUSE Power AC lead unplugged or power not switched on Tape Monitor selected Mute on Speaker not properly connected or damaged Input lead disconnected or damaged Speakers wired out of phase Batteries flat or incorrectly inserted IR transmitter or receiver windows obstructed IR receiver in direct sun or very bright ambient light Antenna leads incorrectly connected Station not selected or weak signal with Mute on Weak signal Multi path signals or interference from another station Interference from other electrical sources computers games consoles Interference from fluorescent lighting or electrical motors Station signal too weak Stati
3. NOTE The remote control handset supplied with the C720BEE is of a universal NAD type designed to operate several NAD models Some buttons on this handset are inoperative as the functions aren t supported by the C720BEE 2 Power Standby Protection LED Upon switching the power on the LED will light up red for a few seconds before the protection circuit is deactivated In cases of serious abuse of the amplifier such as overheating excessively low loudspeaker impedance short circuit etc the amplifier will engage its Protection circuitry indicated by the LED turning from green to red and the sound being muted In such a case turn the amplifier off wait for it to cool down and or check the speaker connections making sure the overall loudspeaker impedance doesn t go below 4 ohms Once the cause for the protection circuitry to engage has been removed press Power again to resume normal operation 3 BLEND The Blend button toggles between engaging or disengaging the Blend feature when engaged BLEND lights up in the VFD 4 DISPLAY 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 5 MEMORY Use to store tuned stations to the C720BEE s 40 preset memory locations 6 FM MUTE MODE In the normal Mute position only the stations with a strong signal can be listened to and the noise between st
4. 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 CAUTION Changes or modifications to this equipment not expressly approved by NAD Electronics for compliance could void the user s authority to operate this equipment CAUTION REGARDING PLACEMENT To maintain proper ventilation be sure to leave a space around the unit from the largest outer dimensions including projections equal to or greater than shown below Left and Right Panels 10 cm Rear Panel 10 cm Top Panel 50 cm IMPORTANT INFORMATION FOR UK CUSTOMERS DO NOT cut off the mains plug from this equipment If the plug fitted is not suitable for the power points in your home or the cable is too short to reach a power point then obtain an appropriate safety approved extension lead or consult your dealer If nonetheless the mains plug is cut off REMOVE THE FUSE and dispose of the PLUG immediately to avoid possible shock hazard by inadvertent connection to the mains supply If this product is not provided with a mains plug or one has to be fitted then follow the instructions given below IMPORTANT DO NOT make any connection to the larger terminal which is marked with the letter or by the s
5. of the Tape Tuner CD switch No 8 The default setting for this remote control switch set to DEV 1 In this position the Tape Tuner CD switch allows for both tape and CD control No 7 If one sets this switch to DEV 2 then the transport keys will remain as CD control keys irregardless of the position of the Tap Tuner CD switch NOTES The remote control handset supplied with the 720 is of a universal NAD type designed to operate several NAD models Some buttons on this handset are inoperative as the functions aren t supported by the C720BEE The Video 2 and Video 3 input selector buttons inside section No 2 on the remote control handset are inoperative in the case of the C720BEE Direct sunlight or very bright ambient lighting may affect the operating range and angle for the remote control handset 10 LISTENING TO RADIO The C720BEE 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 be connected to the rear panel FM antenna input using the balun adapter included 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 or
6. 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 C720BEE 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 CHOOSING THE BLEND MODE Weak or remote stereo radio stations are sometimes received with noise and hiss as the antenna signal is too weak Switching the tuner to mono will reduce the amount of noise and hiss but at the expense of any stereo information The NAD Blend feature will allow you to reduce the amount noise and hiss but still retain some level of stereo separation instead of mono The Blend button toggles between engaging or disengaging the Blend feature when engaged BLEND lights up in the VFD NOTE The one can store the same channel in two preset locations one with FM Blend On and with FM Blend Off ABOUT RDS The Radio Data System RDS permits compatible FM receivers to display text determined by the broadcaster The C720BEE 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 C72
7. with bare wire ends BARE WIRES AND PIN CONNECTORS Bare wires and pin sockets should be inserted into the hole in the shaft of the terminal Unscrew the speaker terminal s plastic bushing until the hole in the screw shaft is revealed Insert the pin or bare cable end into the hole and secure the cable by tightening down the terminal s bushing Ensure bare wire from the speaker cables does not touch the back panel or another socket Ensure that there is only 1 2 1cm of bare cable or pin and no loose strands of speakers wire POWERDRIVE To meet the diverse requirements of high current drive and high dynamic power our patented PowerDrive amplifier circuit will build further on our reputation for amazingly effective power By adding a second high voltage rail to our well regulated high current power supply we get an overdrive that can nearly double the continuous power on a short term dynamic power basis This is a further development and refinement of our renowned Power Envelope circuit utilized by NAD in the 80 s and 90 s PowerDrive differs from Power Envelope in that it offers greater amplifier stability and low impedance drive capability resulting in less distortion when driving real speakers with real program material 4 SWITCHED AC OUTLET The AC power cord of another component may be plugged into this accessory outlet Components plugged into this outlet will be switched On and Off by the VACATION SWITCH on the rear panel NO
8. yield dramatic gains in quality consult your NAD audio specialist or a professional antenna installer AM loop antenna supplied with the C720BEE or a suitable replacement is required for AM reception Open the clip terminal levers insert the wire and close ensuring that the lever locks the wire in place Testing different positions for the antenna may improve reception vertical orientation will usually produce the best results Antenna proximity to large metal objects appliances radiators may impair reception as will attempts to lengthen the wire to the loop NOTE 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 3 SPEAKERS amp B Speaker terminals for speakers with an impedance of 4 ohms or more Connect the right speaker to the terminals marked R and R ensuring that the R is connected to the terminal on your loudspeaker and the is connected to the loudspeaker s terminal Connect the terminals marked L and L 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 NAD C720BEE The high current binding post terminals can be used as a screw terminal for cables terminating in spade or pin sockets or for cables
9. 0BEE s front panel readout and the readout s character section will show its station name PS text 101 for example Press the front panel DISPLAY key to toggle the readout between this and the station s radio text 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 blinking box Use the TUNE keys to select the first character of the name N from the alphabetic list press either PRESET 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 11 SPECIFICATIONS PRE AMP SECTION LINE LEVEL INPUTS DISC CD VIDEO AUX TUNER TAPE Input impedance R and C Input sensitivity 1V out Maximum input signal Signal noise ratio pre amp out A weighted Frequency response 20Hz 20kHz THD Noise SMPTE IM LINE LEVEL OUTPUTS Output impedance Pre out Tape Source Maximum output level Pre out Tape TONE CONTROLS Treble Bass IR TRIGGER
10. ISC Selects a line level source connected to the DISC sockets as the active input CD Selects the CD or other line level source connected to the CD sockets as the active input VIDEO Selects the VCR or stereo TV Satellite Cable receiver connected to the VIDEO sockets as the active input AUX Selects a line level source connected to the AUX sockets as the active input FM Selects the FM tuner AM Selects the AM tuner NOTE The SR 5 remote control handset has one TUNER button toggle for selecting between AM and FM NOTE The ZR 3 remote control has separate buttons for AM and FM pressing either one will select the C720BEE s tuner input TAPE Selects the output from a tape recorder when playing back tapes or monitoring recordings made through the Tape socket NOTE When TAPE is selected TAPE MONITOR will light up in the VFD NOTE The RECORD OUT ZONE 2 SELECTOR will not allow access to TAPE when TAPE is selected 17 SPEAKER A amp B The Speakers A and B buttons engage or disengage the speakers connected respectively to the Speakers A and Speakers B terminals on the rear panel Press A to switch the speakers connected to the speaker A terminals On or Off Press B to switch the speakers connected to the speaker A terminals On or Off The indicator directly over the buttons shows the status of both speakers A and B If Speakers A and B are both engaged both indicators over the Speakers A and B buttons are lit the ampl
11. OUT Input resistance Input voltage Minimum Output resistance Output current Output voltage POWER SECTION Continuous output power into 802 Rated distortion THD 20Hz 20kHz Clipping power maximum continuous power per channel 4Qand 80 IHF Dynamic headroom 80 40 IHF dynamic power maximum short term power per channel 8Q 40 202 Damping factor ref 1 2 Input impedance amp Input sensitivity rated output into 80 Voltage gain Frequency response 20Hz 20kHz Signal noise ratio A weighted ref 1W ref 50W Signal Noise ratio A weighted THD Noise SMPTE IM IHF IM Headphone output impedance 12 22kQ 100pF 330mV 6V 106dB ref 500mV lt 0 19 Tone defeat on lt 0 5dB Tone defeat off lt 0 01 at 5V out 800 Z 2000 gt 11V gt 11 5V 5dB at 10kHz 8dB at 100Hz gt 100Q 5V lt 10Q 50mA 12V 2x50W 17dBW 0 03 65W 3 4dB 5 0dB 110W 20 4dBW 160W 22 0dBW 220W 23 2dBW gt 110 20 470pF 630mV 29dB 0 2 dB 100dB 117dB 95 0dB ref 1W lt 0 03 lt 0 0290 lt 0 01 100Q SPECIFICATIONS TUNER SECTION Input sensitivity 50dB Harmonic Distortion Harmonic Distortion Signal noise Signal noise Stereo separation at 1kHz Frequency Response PHYSICAL SPECIFICATIONS Dimensions W x H x D Net weight Shipping weight Mono 16 1dBf Stereo 36 1dBf FM Mono 0 3 FM Stereo 0 5 Mono 60dB Stereo 55dB
12. TE The total power consumption of any components connected to the AC outlets may not exceed 100 Watts 5 AC line cord Plug the AC power cord into a live AC wall socket Make sure all connections have been made before connecting to mains 6 VACATION SWITCH ON OFF The VACATION switch is the master on off control for the amplifier When the switch is in the ON state the amplifier is in standby as shown by the amber LED above the power switch on the front panel If the amplifier will not be used for an extended period of time switch the VACATION switch to the OFF position ABOUT THE 720BEE 7 SOFT CLIPPING When amplifier is driven beyond its specified power output 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 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 to Off If you are likely to play at high levels that could stretch the amplifier s power capability then switch Soft Clipping On 8 SUBW OUT Connect the SUBW OUT output to a powered active subwoofer or to power amplifier channel driving a passive system The subwoofer output roll off frequency is 100 Hz at 3dB 9 MAIN IN Use these connections to an external pr
13. afety earth symbol or coloured GREEN or GREEN AND YELLOW The wires in the mains lead on this product are coloured in accordance with the following code BLUE NEUTRAL BROWN LIVE As these colours may not correspond with the coloured markings identifiying the terminals in your plug proceed as follows The BLUE wire must be connected to the terminal marked with the letter N or coloured BLACK The BROWN wire must be connected to the terminal marked with the letter 1 or coloured RED When replacing the fuse only a correctly rated and approved type should be used and be sure to re fit the fuse cover IF IN DOUBT CONSULT A COMPETENT ELECTRICIAN This product is manufactured to comply with the radio interference requirements of EEC DIRECTIVE 89 68 EEC and 73 23 Model No Serial No 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 ABOUT THE C 720BEE REAR PANEL CONTROLS 2 3 4 5 7 T NORTH AMERICA Ar s Wil al i EUROPE 8 ASIA d 18 17 16 15 14 13 12 11 10 9 8 7 6 FRONT PANEL CONTROLS 1 2 3 4 56 78 9 10 11 12 5 NAD Rece
14. and angle for the remote control handset 10 DISPLAY PANEL The Display Panel shows information about the C720BEE s operating modes and information about the station currently selected Audio Mute Blend FM Mute Stereo Centre Tune etc are all indicated in this window The display also has an eight character alphanumeric section which will display the active input station name Radio Text or frequency 11 RECORD OUT ZONE 2 SELECTOR This selector switch doubles as both a record source selector and a second zone source Control is also achieved by use of the ZR 3 zone remote control 12 VOLUME The VOLUME control adjusts the overall loudness of the signals being fed to the loudspeakers It is motor driven and can be adjusted from the remote control handset The VOLUME control does not affect recordings made using the Tape outputs but will affect the signal going to the Pre amp output Pre Out 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 the MUTE icon in the VFD Press the MUTE button again to restore sound Mute does not affect recordings made using the Tape output but will affect the signal going to the Pre amp output Pre Out 13 BALANCE The BALANCE control adjusts the relative levels of the left and right speakers The 12 o clock position provides equal level to the left and right channels A detent indicates this position R
15. ations is muted Pressing the FM Mute Mode button allows distant and potentially noisy stations to be received 7 PRESET Press either PRESET buttons to step up or down between radio presets 30 FM and 10 AM station presets are available NOTE that this function wraps Pressing the PRESET buttons will step from Preset 30 to Preset 1 or vice versa Unused presets skipped over NOTE that Presets must previously have been stored 8 TUNE Press either TUNE button momentarily to step up or down between FM or AM frequencies Press and hold TUNE buttons for more than 2 seconds to search up or down the 72 5 tuner will stop at the 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 TUNE button increments the FM band by 0 05 MHz steps twice the precision of most tuners On the AM band TUNE increments the AM band by 10 kHz or 9 kHz steps To change the step amount select AM and then hold in the FM MUTE MODE and AM keys simultaneously 9 Infra red remote control command receiver The infrared sensor located beside the VFD receives commands from the remote control There must be a clear line of sight path from the remote control to this window if that path is obstructed the remote control may not work NOTE Direct sunlight or very bright ambient lighting may affect the operating range
16. duct Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer 9 A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn 10 Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to 11 Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company The primary method of isolating the turntable from the mains supply is to disconnect the mains plug Ensure that the mains plug remains accessible at all times Unplug the AC power cord from the AC outlet if the unit will not be used for several months or more 12 Grounding or Polarization This pro
17. duct may be equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 13 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable 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 70 provides information with regard 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 NOTE TO CATV SYSTEM INSTALLER This reminder is provided to call the CATV system installer s attention to Section 820 40 of the NEC which provides guidelines for proper gr
18. e amplifier or processor such as a surround sound decoder In normal use these should be connected to the Pre Out sockets with the links supplied To connect your NAD C720BEE to external processor or pre amplifier first remove these links Use a twin RCA to RCA lead to connect to the left and right Audio Output of the pre amp or processor to the Main In sockets NOTE Always turn the amplifier off before connecting or disconnecting anything from to Pre Out and Main In sockets 10 PRE OUT Connections to an external power amplifier or processor such as a surround sound decoder In normal use these should be connected to the Main In sockets No 10 with the links supplied To connect your NAD C720BEE to external processor or amplifier sections first remove these links Use a twin RCA to RCA lead to connect to the left and right Audio Input of the Power amp or processor to the Pre Out sockets NOTE The Pre Out output signal will be affected by the NAD C720BEE s volume and tone control settings always turn the amplifier off before connecting or disconnecting anything from to Pre Out and Main In sockets 11 RECORD OUT ZONE 2 Connect the left and right Audio Input of the tape machine to the TAPE OUT sockets for recording For use as a zone 2 source connect the left and right Audio Input of an integrated amplifier line in sockets to these line level outputs 12 TAPE IN Connections for analogue playback of an audio tape reco
19. e frequency as seen on the C720BEE s VFD For example pressing 1021 will force the direct entry to 102 1 SETTING RADIO PRESETS The C720BEE 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 either PRESET key to select the preset number to be assigned Then press the MEMORY key once again NOTE The Radio Presets must be stored from the front panel this setup function is not accessible from the SR 5 remote ABOUT THE 720BEE SELECTING RADIO PRESETS Press either PRESET key on the front panel to step up or down between presets press and hold either PRESET key to scroll continuously up or down The SR 5 remote s PRESET keys work similarly CHOOSING THE FM MUTE MODE The front panel FM MUTE Mode key is a dual purpose control First it toggles C720BEE between stereo mute and unmuted stereo reception assuming that a multiplex stereo station of sufficient strength 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
20. ed by the MUTE icon in the VFD Press MUTE again to restore sound Mute does not affect recordings made using the Tape output but will affect the signal going to the Preamp outputs 6 TUNER CONTROL TUNE 4 or P scans respectively higher lower station frequencies for both AM and FM PRESET or V selects respectively higher or lower number station preset ABOUT THE 720BEE 7 CD PLAYER CONTROL for use with NAD CD Player engages Pause m engages Stop j gt engages Play or toggles between Play and Pause or engages Track skip Press once to respectively go to the next track or to return to start of current or previous track 44144 engages reverse Scan and Skip gt gt PPI engages forward Scan and Skip engages CD drawer Open Close Press once to open the CD drawer then once again to close the CD drawer and start playback 7 CASSETTE DECK CONTROL for use with single NAD Cassette Decks gt engages Forward Play Q Press to put cassette deck into record pause then press Play to start recording Stops Play or Recording 44144 engages Rewind gt gt PPI engages Fast Forward 8 TAPE TUNER CD The TAPE TUNER CD switch applies tape controls to the transport keys when in the TAPE TUNER position and applies CD controls to the transport keys when in the CD position 9 DEV 1 DEV 2 In some instances when one s audio system is without a tape deck the CD transport keys may be set to operate in either position
21. g is damaged b If liquid has been spilled or objects have fallen into the product C If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation e If the product has been dropped or damaged in any way f when the product exhibits a distinct change in performance this indicates a need for service 20 Replacement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 21 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 22 Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED DANGEROUS
22. ifier s output power is fed to both sets of speakers in parallel If speakers A and B are disengaged both sets of speakers are silenced You can use this setting mode to listen to headphones 18 PHONES Socket A 1 4 stereo jack socket is supplied for headphone listening and will work with conventional headphones of any impedance The volume tone and balance controls are operative for headphone listening Use a suitable adapter to connect headphones with other types of sockets such as 3 5mm stereo personal stereo jack plugs NOTE Make certain that the volume control is turned to minimum fully anti clockwise before connecting or disconnecting headphones Listening at high levels can damage your hearing REMOTE CONTROL HANDSET The Remote Control handset handles all the key functions of the NAD C720BEE and has additional controls to remotely operate NAD Cassette and CD machines It will operate up to a distance of 16ft 5m Alkaline batteries are recommended for maximum operating life Two AAA R 03 batteries should be fitted in the battery compartment at the back 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 Please refer to previous sections of the manual for a full description of individual functions When a command from the remote control is received the Standby protection indicator will blink 1 POWER ON am
23. igin 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 SELECTING THE RADIO Press the AM or FM key on the C720BEE front panel the SR 5 s TUNER key to select the receiver s radio mode Each subsequent press of TUNER key will toggle the unit between its FM and AM bands TUNING STATIONS Press TUNE on the front panel momentarily to step up or down between FM or AM frequencies Press and hold TUNE for more than 2 seconds to search up or down the C720BEE s tuner will stop at the next sufficiently strong signal it encounters Pressing the either TUNE key momentarily during the search process will stop the search From the SR 5 press TUNE hold in to automatically search press momentarily to perform slow manual search SR 5 DIRECT FREQUENCY ENTRY With the SR 5 you can now directly enter the frequency of the radio station When entering digits more than two will force the direct entry mode Pressing ENTER will lock th
24. ing external equipment that is equipped with a 12V trigger input This output will be 12V when the C720BEE is on and OV when the unit is either off or in standby This output can drive a load up to 50mA at 12V The plug required is a standard 3 5mm Mini Jack plug mono The tip is the live or connection the shaft of the input jack is the 12V trigger or ground connection NOTES Check the specifications of the Trigger input terminal on the other components to ensure these are compatible with the C 720BEE s 12Vtrigger output NAD components equipped with 12V input triggers are fully compatible with the C720BEE s 12V output trigger 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 C720BEE 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 ABOUT THE 720BEE FRONT PANEL CONTROLS 1 Power Press the POWER button to switch the unit from Stand by to the operating mode The Stand by indicator Fig 2 No 2 will turn from amber to red then to green Press the POWER button to switch the unit to the Stand by mode The Stand by indicator will light up amber Upon selecting any input at the front panel or the ON button of the remote the C720BEE will choose the last selected as the active input
25. iver 7208EE C7208EE ABOUT THE 720BEE REMOTE CONTROLS PRESS IN AND LIFT TAB TO REMOVE PLACE BATTERIES INTO OPENING ENSURE REPLACE BATTERY COVER BY ALIGNING AND BATTERY COVER OUT FROM RECESS THE CORRECT POLARITY IS OBSERVED INSERTING THE TWO TABS INTO THE HOLES PRESS BATTERY COVER INTO PLACE UNTIL IT CLICKS CLOSED ABOUT THE C 720BEE NOTES ON INSTALLATION Your NAD C720BEE 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 making any connections The RCA sockets on your NAD C720BEE are colour coded for convenience Red and white are Right and Left audio respectively Use high quality leads and sockets for optimum performance and reliability Ensure that leads and sockets are not damaged in any way and all sockets are firmly pushed home For best performance use quality speaker leads of 16 gauge 1 5mm thickness or more If the unit is not going to be used for some time disconnect the plug from the AC socket Should water ge
26. on not transmitting RDS data SOLUTION Check if AC lead is plugged in and power switched on De select Tape Monitor mode Switch off Mute eck connections and speakers G Check leads and connections connections to all speakers system or replace batteries emove obstruction unit away from direct sun reduce amount ambient light antenna connections e tune switch off FM Mute Check station tuning Adjust replace antenna Check station tuning Adjust or replace antenna Check station tuning Switch off or move the source of the electrical noise Check station tuning Adjust or replace AM antenna Check station tuning Adjust or replace antenna No remedy www NADelectronics com 2005 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 720BEE Manual 0105 Printed in China
27. otating the control clockwise moves the balance towards the right Rotating the control anti clockwise moves the balance to the left The BALANCE control does not affect recordings made using the Tape output but will affect the signal going to the Pre amp output Pre Out 14 TONE DEFEAT The TONE DEFEAT switch by passes the tone control section of the NAD C720BEE If the Tone Controls are not normally used and left in the 12 o clock position then it is advisable to switch out the Tone Control section altogether by using this switch In the out position the Tone Control circuits are active pushing the TONE DEFEAT switch in bypasses the Tone Control section 15 Tone controls The NAD C720BEE is fitted with BASS and TREBLE tone controls to adjust the tonal balance of your system The 12 o clock position is with no boost or cut and an indent indicates this position Rotate the control clockwise to increase the amount of Bass or Treble Rotate the control anti clockwise to decrease the amount of Bass or Treble The Tone controls do not affect recordings made using the Tape outputs but will affect the signal going to the Pre amp output Pre Out ABOUT THE 720BEE 16 Input selectors These buttons select active input to the C720BEE and the signal sent to the loudspeakers the Tape output and the PRE OUT sockets The buttons on the remote control handset duplicate these buttons with the exception of the Video 1 input D
28. ounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical 15 Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges 16 Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal 17 Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 18 Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the product INPORTANT SAFETY INSTRUCTIONS 19 Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power supply cord or plu
29. p OFF The NAD C720BEE remote has a separate On and Off button This can be particularly useful to keep components within a system insync This way all components will switch to stand by when Off is pressed or switch to operating mode when On is pressed instead of some components switching On when the amplifier is switched to Stand by Note that the other components have to be capable of responding to the separate On and Off commands as well Press the ON button to switch the unit from Stand by to the operating mode The Stand by indicator Fig 2 No 2 will turn from amber to red then to green Press the OFF button to switch the unit to the Stand by mode The Stand by indicator will light up amber 2 INPUTS The input selector buttons perform the same functions as the buttons labelled the same on the front panel 3 Numeric Keys The numeric keys allow for direct input of tracks for CD players and direct channel preset access for the tuner 4 MASTER VOLUME Press the MASTER VOLUME or V buttons to respectively increase or decrease the loudness level Release the button when the desired level is reached The motorised Volume Control on the front panel will indicate the level set The Master Volume buttons do not affect recordings made using the Tape outputs but will affect the signal going to the Pre amp outputs 5 MUTE Press the MUTE Button to temporarily switch off the sound to the speakers and headphones Mute mode is indicat
30. rder of any type Using twin RCA to RCA leads connect to the left and right Audio Output of the tape machine to the TAPE 1 IN sockets for playback 13 AUX input Input for additional line level input signals such as another CD player Use a twin RCA to RCA lead to connect the auxiliary unit s left and right Audio Outputs to this input 14 VIDEO input Input for the audio signal from a stereo VCR or stereo TV Satellite Cable receiver or other line level audio source Using twin RCA to RCA leads connect to the left and right Audio Outputs of the unit to these inputs NOTE These are audio inputs only 15 CD input Input for a CD 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 The NAD C720BEE only accepts analogue signals from your CD player 16 DISC input Input for additional line level input signals such as CD Mini Disc player or the output signal from a step up amplifier such as the NAD PP2 for a turntable Use a twin RCA to RCA lead to connect the auxiliary unit s left and right Audio Outputs to this input 17 IR Input Output This input is connected to the output of an IR infrared repeater Xantech or similar or the IR output of another component to allow control of the C720BEE from a remote location Ask your dealer or custom installer for further details 18 12V TRIGGER OUT The 12V TRIGGER OUTPUT is used for controll
31. t into your NAD 72 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 USERSERVICEABLE 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 QUICK START 1 Connect the speakers to the rear Speaker terminals and sources to the relevant rear input sockets Plug in the AC power cord Press the VACATION button on the back of the C720BEE Press the POWER button to turn the NAD C720BEE on Press the required input selector REAR PANEL CONNECTIONS ATTENTION Please make all connections to your C720BEE 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 1 2 FM amp 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
Download Pdf Manuals
Related Search