LTB Audio Systems LTB-WRST User's Manual
Contents
1. P 2 4GHz Stereo wireless DIGI TAL 2 4GHz Digital Stereo Wireless Headphone System With 16 Band FSK Transmission LTB wants to thank you for choosing the Concert Series Wireless Headphones Before attempting to use your Wireless Headphones please remove all parts from the box and read the installation and use instructions carefully Limited 1 Year Warranty LTB WR ST IN TRODU CTION This 2 4 GHz stereo wireless headphone system features a compact design that uses the latest wireless technology that enables you to enjoy music and TV sound anywhere inside or outside your home You can simply connect the system to any sound source such as a DVD DBS CD TV VCR stereo receiver and radio FEATURES One touch Channel Selection 2 4 GHz RF technology lets you roam freely throughout your house Operating distance up to 100 Meters No line of sight limitation ae Rechargeable headphone receiver Built in charger in the transmitter Automatic level control ALC and Auto ON OFF design HEADSET SAFETY HW Do not play your headset at a high volume Hearing experts advise against continuous extended play Mm If you experience a ringing in your ears reduce the volume or discontinue use HW Make sure the volume level of the headphone is set at a comfortable listening level before placing it in position over your ears WR ST SPECIFICATION S Transmission Mode Operating at 2 4GHz ISM band with2. 8 selectable channels Carrier Frequency 2410 2419 2473 MHz Operation Voltage Transmitter 3 6 5VDC Receiver 3 9 5VDC 2 x AAA rechargeable batteries Frequency Response 20 20 KHz 1dB Frequency stability 100 KHz S N ratio 87dB Typical Separation 80dB Typical Operation distance 30 Meters FCC operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesirable opera tion of the device Changes or modifications not expressly approved by the party lt p responsible for compliance to the FCC rules could void the user s authority to operate this equipment Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment TROU BLESHOO TING YOU R SYSTEM NO SOUND Make sure the AC adapter is fully inserted into the AC outlet and into the DC Power Jack input on the transmitter Make sure the headphone ON OFF switch is in the ON position Indicated by a red LED light Headphone battery may be too weak Charge battery Charge the new batteries for 8 hours prior to the first use Make sure the TV stereo receiver or audio component is ON and tuned to a channel with audio Adjust the volume control on the headphone to increase the volume The connected audio
3. video equipment is not playing Turn on the equipment The volume of the headphones is turned down CB Adjust the volume to an appropriate level NO SIGNAL Make sure the power indicator on the base unit is on Make sure the power indicator on the headset is on Change the CH SEL button on the base and the CH SEL on the headset to a matching freguency band when you can hear audio Headphone batteries may be too weak Charge the included NiMh rechargable AAA batteries or replace them with new ones The headphone is too far from transmitter over 30 Meters Move claser The input level of the audio signal is too low Turn up the volume of the audio source eguipment CHARGING THE BATERIES i 1 Switch the ON OFF button on the headphone receiver OFF 2 Plug the charge cord into the charge input jack of the headphone receiver to charge the batteries 3 The charging process starts automatically when the batteries are charged and the charging RED LED lights up Charge the new batteries for 24 hours prior to the first use of the headphone system Caution Do not use other types of batteries to replace the rechargeable AAA battery When you are not using the headphone receiver please switch it to OFF to avoid damage to the batteries CHARGE CORD The battery pack must be fully charged prior to operation An initial charge of 24 hours is required to ensure the extended life of the rechargeabl
4. cator will light up 4 IN STALLATION TRANSMITTER 1 Remove the Transmitter from the packaging 2 Plug the AC power adapter into the DC jack located on the rear of the transmitter 3 Connect the AC power adapter to an electrical wall outlet 4 The audio cord on the rear of the transmitter can be connected to the audio output jack R amp L of the TV stereo receiver VCR DVD or radio Use aY Splitter for R amp L type RCA connections 5 Turn on the component device Note that when the audio device is on the green SIGNAL INDICATOR LED light will glow green This indicates that the transmitter is receiving an adequate audio signal If the LED is not on you must increase the volume until the green LED is lit If you increase the volume and the LED still does not illuminate then check all your connections and make sure that the power is on for both the device and the transmitter Refer to the section titled Troubleshooting located on page 8 of this instruction book for assistance AC DC ADAPTER 2 4GHZ TRANSMITTER FRON T FREQUENCY ADJUST CHARGE INDICATOR GREEN POWER ON SIGNAL INDICATOR RED BACK DC POWER JACK CHARGE CORD AUDIO CORD i 2 4GHZ HEADPHONE RECEIVER ON OFF SWITCH Y POWER LED INDICATOR TUNING CONTROL VOLUM CONTRC RIGHT EARPHONE LEFT EARPHONE CHARGE INPUT LTB LIMITED 1 Y EAR WA RRAN TY LTB Audio Systems Inc wa
5. e batteries Be sure the headphone receiver is in the OFF position during charge status NO TE You should now be able to walk freely from room to room enjoying full stereo sound If you notice interference noisy signal or if the sound is distorted or breaks up adjust the frequency by pressing CH SEL on the top of the transmitter base and then select CH SEL on the headset This should help you to obtain better reception withthe headphones You may have to try this adjustment several times to obtain optimum performance depending on the conditions Please refer to the following drawings A and B for best tuning A Keep a distance of about 60 feet between the headphone and the transmitter when adjusting the tuning knob for best stereo reception Whenever you find interference readjust the frequency of the transmitter by pressing CH SEL on the transmitter and the CH SEL on the headphone to lock in a new frequency For protection of the transmitter and to save power the transmitter will cut off automatically after about one minute when the input signal from an audio source is too weak for operation If the signal from the audio source returns at a sufficient level the transmitter will turn on again automatically HEADPHON E RECEIVER i 1 Open the battery compartment cover on the right side of the headphone receiver 2 Insert two AAA size rechargeable batteries noting the correct polarity as indicated in the bat
6. rrants that for 1 year from the date of original purchase it will replace this product if found to be defective in materials or workmanship Return it postage prepaid to the Product Exchange Center address for prompt no charge replacement with a current eguivalent This replacement is LTB Audio Systems Inc sole obligation under this warranty LTB Audio Systems Inc will not be responsible for any incidental or conseguential damages or for any loss arising in connection with the use or inability to use this product Some states do not allow the exclusion or limitation of incidental or conseguential damages so the above limitation or exclusion may not apply to you This warranty excludes defects or damage due to misuse abuse or neglect This warranty gives you specific legal rights and you may also have other rights which vary from state to state 2005 LTB Audio Systems Inc Product Service Center 375 North Street Unit N Teterboro NJ 07608 LTB WR ST Rev0927 Trademark s Registered Marca s Registrada s www tbaudio com Manufactured In China
7. tery compartment CO Replace the cover by sliding it in place until it snaps into position A The batteries must now be charged before you use the headphones Refer to the instructions on page 6 Charging the Batteries for details The headphone may be operated by using standard or alkaline batteries However these may not be recharged in the headphone Standard zinc carbon manganese or alkaline batteries may leak or explode ifrecharged in ENG the headphone thereby voiding i the warranty Do not attempt to am NS recharge any batteries in the head sarreries phone other than nickel cadmium type cells that were included with your unit BATTERY DOOR RIGHT ARPHONE OPERATION 1 Turn on the audio source TV or audio component to which the transmitter is connected 2 Slide the ON OFF switch on the headphone to OON O 3 Listen to the volume coming from the ear cups on the headphone to make certain that the volume is not too loud before placing the unit on your head See the section titled OHeadset SafetyO on page 1 Adjust the volume as needed using the VOLUME CONTROL wheel located on the left ear cup Once the volume level is at a comfortable setting place the headphones over your ears and adjust the volume as desired 4 If the best frequency reception is not found press the OAuto ScanO button on the headphone to locate the frequency of the transmitter for the best reception The stereo LED indi
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