Acoustic Research AW791 Headphones User Manual
Contents
1. rechargeable batteries included with this product must be charged for 10 hours before use i Inserting the Batteries into the Headphones 1 Remove the Battery Compartment Cover I by simultaneously depressing the tab and pulling up on the cover 2 Pull the cloth strip across the Battery Compartment H so the Rechargeable Batteries P can be inserted over the strip 3 Insert the Rechargeable Batteries P observing the polarity and as diagrammed inside the Battery Compartment H 4 Replace the Battery Compartment Cover I ii Charging the Batteries within the Headphones 1 Place the headphones onto the Transmitter making sure the charging contact on the left earcup is sitting properly on the charging post of the transmitter 2 Allow the Rechargeable Batteries P to fully charge for 10 hours before using for the first time 3 Place the headphones on the transmitter when not in use This will ensure the batteries are always fully charged for hours of entertainment The Rechargeable Batteries P use high capacity Ni MH cells that allow recharging without the memory effect of Ni CD cells For customers in the USA and CANADA RECYCLING NICKEL METAL HYDRIDE BATTERIES Nickel Metal Hydride Ni MH batteries are recyclable Acoustic Research asks you to help preserve our environment and recycle any unwanted Ni MH batteries at your nearest recycling facility for proper disposal Acoustic Rese2. the red Power Indicator Light K is brightly lit e Check that the Rechargeable Batteries P are firmly seated in the Battery Compartment H following the polarity markings in the Battery Compartment H e Check that the audio source DVD player TV VCR is tumed ON and providing sound asit normally should e Check that the headphone Volume Control L is tumed up If the Surround Sound LED B is blinking this indicates that the input is DTS encoded This product does not decode DTS 5 1 encoded digital signals Refer to your DVD Satellite or other manual to change the audio mode from DTS output to Dolby Digital or PCM output Note Usually you can select anong PCM Dolby Digital and DTS output formats on DVD players and satellite receivers e Check that the component s digital sampling rate output is 48K samples second or lower This product does not support 96K samples second Refer to the component s manual to change the audio sampling rate output e Check that the headphone Tuning Indicator Light N is illuminated If not push the ON OFF Tuning Control M to manually search for the channa If it does not lock quickly change the Channd Select Switch G to one of the other two channe s e Check the batteries they may be weakening Confirm the batteries are good When batteries begin to weaken there can be static breakup If necessary recharge the batteries e Change the physical location of the transmitter L
3. XPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM THE COMPANY S NEGLIGENCE ACTUAL OR IMPUTED NO PERSON OR REPRESENTATIVE IS AUTHORIZED TO ASSUME FOR THE COMPANY ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT IN NO EVENT SHALL COMPANY BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES This warranty gives you specific legal rights and you may also have other rights which vary from state to state province to province so some of the above limitations or exclusions may not apply to you NON WARRANTY SERVICE If non warranty service is required the product may be sent to the Company for repair replacement transportation prepaid by calling 1 800 RECOTON for details complete instructions and service fee charges
4. arch participates in the Rechargeable Battery Recycling Corporation RBRC program If you need advise on proper disposal of the included Ni MH batteries please call 1 800 822 8837 US and CANADA ONLY Caution Do not handle damaged or leaking batteries Turn on the component you wish to listen to DVD player VCR TV or Press the Input Select Switch D to choose the device you wish to listen to Press the Surround Sound ON OFF Switch A to turn the effect ON or IV another audio video product i e Digital 1 Digital 2 or Analog 3 Issue i N OFF depending on the source material you wish to listen to The virtual oe Surround Sound should be on for all Dolby Digital or Dolby Pro Logic encoded source material All stereo music CDs cassette tapes or AM FM radio should be experienced with the virtual Surround Sound OFF See Processing Modes below Turn the headphones ON by pressing the ON OFF Tuning Control M The headphones may take a few seconds to tune Put the headphones on your head Adjust the volume L to a comfortable listening level When finished power down the headphones by depressing the ON OFF Tuning Control M until the Power Indicator Light K is OFF Note The headphones must be OFF for the batteries to charge properly Make sure the Power Indicator Light K is OFF before charging 4 Note This product does not decode DTS 5 1 encoded digital signals V For
5. ked Digital 2 Connect one end of the Digital Coaxial Cable not included to the DIGITAL COAXIAL OUTPUT of your audio video equipment Connect the other end of the Digital Coaxial Cable to the RCA type Digital Coaxial Connector F1 on the transmitter marked Digital 1 iii Connecting to Analog Components You can connect the headphones to an analog device and listen to Dolby Pro Logic recordings and compact discs 1 Connect one end of the Analog Audio Cable not included to the RCA TYPE ANALOG AUDIO OUTPUT of your audio video equipment 2 Connect the other end of the Analog Audio Cable to the RCA type Analog Left Right Connectors F3 on the transmitter marked Analog 3 Note When using a device with a variable analog output make sure the volume level is set to 1 2 to 2 3 volume When using a variable level output noise may occur if the signal level is too weak or too strong Adjust the volume to eliminate the noise iv Connecting the Power Supply 1 Insert the 2 5mm barrel connector from the AC Power Supply O into the AC Input Jack E 2 Plug the AC Power Supply O into a standard electrical wall outlet Note Make sure the electrical outlet is not a switched outlet usually designed to control a lamp and remains ON at all times This is important as the transmitter base charges the headphones when not in use Note The
6. llowing two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment Features and specifications subject to change without notice Range may vary according to environment 8 ONE YEAR WARRANTY Recoton Corporation Company warrants to the original retail purchaser of this product that should the product or any part thereof be proven defective in material or workmanship within one year from the date of original purchase such defects will be repaired or replaced at the Company s option without charge for parts or labor To obtain replacement within the terms of this warranty the product should be delivered transportation prepaid to the Dealer where purchased or to the Company along with proof of date of purchase Call 1 800 RECOTON to obtain information regarding the procedure for proper return of your product if your Dealer does not honor the warranty This warranty is valid in the USA and Canada only THIS WARRANTY DOES NOT APPLY TO ANY PRODUCT OR PART THEREOF WHICH HAS BEEN DAMAGED THROUGH ALTERATION MISHANDLING MISUSE NEGLECT ACCIDENT IMPROPER INSTALLATION OR UNAUTHORIZED REPAIR THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY AND ALL OTHER WARRANTIES E
7. multi channel inputs Dolby Digital inputs the virtual mode processing uses 5 1 channel Dolby Digital decoding then virtual processing to create a 2 channel 3 D room equivalent output Distortion Static For multi channel inputs Dolby Digital inputs the stereo mode processing uses 5 1 channel Dolby Digital decoding processing for any number of channels to create a 2 channel equivalent output If the multi channel input is stereo then the 2 channel output is stereo i e Dolby Digital Stereo For Analog or PCM inputs the virtual mode processing uses Dolby Pro Logic decoding then virtual processing to create a 2 channel 3 D room equivalent output For Analog or PCM inputs the stereo mode processing uses direct stereo decoding to create a 2 channel stereo output Sound from One Earpiece Only VI The following troubleshooting guide takes you through some of the most common issues and solutions associated with the installation and or operation of the Wireless Surround Sound headphones Cause and Solution e Check that the AC Power Supply O is fully inserted into the wall outlet and the barre connector from the AC Power Supply O is firmly connected to AC Input Jack E When the AC Power Supply O is properly connected and providing power the Surround Sound ON OFF Light B and Analog Input Indicator Light C3 should be ON prior to making any selections e Check that the headphones are tumed ON and
8. ocate it as high and free of obstruction as possible Avoid placing the transmitter directly on top of alV e Check that the Digital Coaxial Output from the DVD satellite etc is not connected to the Analog Audio Inputs F3 e Check the left right balance control on the audio source e Check that the Tuning Indicator Light N is illuminated e Check the batteries they may be weakening e Check that both Analog Audio Input Connectors F3 are properly connected and that the audio source VCR TV etc is equipped with Stereo Analog Audio Output 257i VII Headphones Push button tuning 40mm titanium impregnated elements with neodymium magnets Frequency response 20Hz 20kHz Transmitter Signal to N oise ratio gt 70dB Stereo separation gt 35dB Dolby Digital processor Virtual Surround Sound headphone technology Effective transmitting range 300 feet Three separate transmission channels 20 bit ADC DAC Optical input connector conforms to EIA standard CP 1201 Compatible digital audio sampling rates 32K 44 1K 48K samples second Dolby Digital in IEC 1937 format formerly IEC 958 Annex B as specified in ATSC A 52 Annex B PCM in AES EBU format Included Inside 3 foot premium digital optical cable with Toslink connectors 7V AC 1 4A UL Listed power supply Three AAA Nickel Metal Hydride Ni MH rechargeable batteries This device complies with part 15 of the FCC rules Operation is subject to the fo
9. ovies and concert DVDs are recorded with five channe audio positioning to provide the most realistic atmosphere for a completely immersive movie or music experience Surround Sound places the listener in the middle of the action while watching a movie or in front of the stage while listening to a concert AR s Surround Sound Headphones provide an acoustic environment that is virtually identical to that of a movie theater or a live musical performance AR s Surround Sound Headphones are compatible with most digital and analog audio video equipment i e DVD players TVs VCRs and home theater receivers This manual covers various connection options and detailed operating procedures for making the AR Surround Sound Headphones a valuable part of your home entertainment system To ensure proper operation and prevent damage please read this manual carefully before using this equipment If after having reviewed the instructions you have any questions please contact our Customer Service Department at 1 800 732 6866 Transmitter Front View 2er nr os 1 Digital Coaxial 2 Digital Optical 3 Analog E AC Input Jack F Input Connectors Battery Compartment Battery Compartment Cover Self adjusting Headband Power Indicator Light Volume Control ON OFF Tuning Control Stereo Tuning Indicator Light A Surround Sound ON OFF Switch B Surround Sound ON OFF Light C Input Indicator Lights D In
10. put Select Switch Transmitter AC Power 3 ft Toslink Digital i Setup Place the Transmitter in a location with enough clearance so that you can store the Headphones on the Transmitter This is important because the Transmitter charges the Rechargeable Batteries P inside the headphones so they are always ready for use See Charging the Batteries on page 5 You can use the Surround Sound Headphones with up to three different audio video components The three inputs on the transmitter two digital and one analog allow quick and easy connections for maximum versatility ii Connecting to Digital Components a Connecting Using the Supplied Toslink Digital Optical Cable 1 RCA type Digital Coaxial Connector 2 Toslink Digital Optical Connector 3 RCA type Analog Left Right Connectors G Channel Select Switch DVD PLAYER COMPONENT VIDEO OUTPUT 9 0 0 0 9 90 0 0 b Connecting Using a Digital Coaxial Cable TRANSMITTER 0 Fl O Supply 7V AC 1 4A Rechargeable Batteries 3 AAA Ni MH DVD PLAYER COMPONENT VIDEO OUTPUT 9 9 0 0 90 0 8 0 Optical Cable 1 Connect one end of the Toslink Digital Optical Cable Q to the DIGITAL OPTICAL OUTPUT of your audio video equipment Connect the other end of the Toslink Digital Optical Cable Q to the Toslink Digital Optical Connector F2 on the transmitter mar
11. wa Research Recoton Accessories Inc 2950 Lake Emma Road Lake Mary FL 32746 2001 Recoton www acoustic research com MADE IN CHINA 15791 0 2 AD 34972 10 01 Wireless Surround Sound Headphones with Dolby Digital technology Model AW791 Installation and Operation M anual Covered by one or more of the following US patents and Patents Pending 5 272 525 5 410 735 5 666 658 and 6 215 981 U S Patent Nos 5 371 799 5 436 975 5 809 149 and various foreign counterparts Copyright QSound Labs Inc 1996 2001 Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories Confidential unpublished works Copyright 1992 1997 Dolby Laboratories All rights reserved All trademarks are the property of their respective owners Table Contents I Location of Functions 2 000200 c eee eee 2 Il Connecting the Headphone System 55 3 Ill Charging the Batteries 2 0 00 0c 5 IV Listening to the Headphones 0000 005 6 V Processing Modes 2 2 00 cee es 6 VI Troubleshooting 223 445 can esek eeed tae wee ened 7 Vil Specifications so feeb sate terete Sao a Pe hayeas a 8 Nh Waran Ynna 3 fa Bh ata oe Swe Sa eee SG alate a 2 ek 9 Introduction Acoustic Research AR Surround Sound Headphones expand and enhance the enjoyment of your home theater equipment Today s m
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