RCA Headphones WHP141B User Guide

 
HEADSET SAFETY  
HEADSET SAFETY (continued)  
1 6 . C l e a n t h e u n i t w i t h a s o f t c l o t h s o a k e d i n a n e u t r a l d e t e r g e n t . Yo u  
may damage the unit if you use an alcohol-based product. If you are  
unsure if the detergent is alcohol-based, test the cleaning product on  
the underside of the unit.  
Follow these precautions to ensure safe usage of your wireless headphones.  
1. These wireless headphones have been designed for residential use  
and should not be used for industrial purposes. The headphones  
should be installed and used in accordance with the instructions  
contained in this manual.  
1 7 . U n p l u g t h i s p r o d u c t a n d t a k e i t t o a q u a l i ed service center under  
the following conditions:  
2. Read through these instructions completely before installation.  
Follow the instructions carefully and carry them out in the correct  
order. Keep the manual on hand for future reference.  
a. If liquid has been spilled into the product.  
b. If the product has been exposed to rain or water.  
3. The power for this headphone system is delivered with batteries.  
Before charging, read the instructions in this manual. Disconnect  
the power supply from the cradle/transmitter before installing or  
removing batteries.  
c. If the product does not operate normally when following the  
operating instructions.  
Audiovox declines all liability for any use that does not comply with  
the instructions in this User’s Manual.  
4. Always leave easy access to the main power supply.  
5. Disconnect the unit from the main power supply during storms, or  
if you will be absent for a long period of time.  
This device complies with Part 15 of the FCC Rules. Operation of this  
device is subject to the following 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.  
6. If you observe smoke or detect a burning odor, immediately  
disconnect the device from the main power supply.  
7. Never open the unit yourself; you may receive a severe electric  
shock, leading to serious injury or even death. Take the unit to a  
qualied service center when service is required.  
WARNING  
8. Never push objects of any kind into the openings on the cradle/  
transmitter. They may touch dangerous voltage points and could  
cause a re, serious electric shock or even death.  
Modication of this device to receive cellular radio-telephone service  
signals is prohibited under FCC rules and federal law.  
9. Protect the unit from dust, humidity and sources of excessive heat  
(e.g., replace or radiator).  
Changes or modications to this unit not expressly approved by the  
party responsible for compliance could void the user’s warranty.  
1 0 . T h e p o w e r s o u r c e s h o u l d n o t b e i n c o n t a c t w i t h l i q u i d s o r e x p o s e d  
to the risk of dripping or splashing liquid. Be careful not to place  
the power source or cradle/transmitter near any object containing  
liquid (e.g., a vase, glass or bottle).  
Keep your sales receipt to obtain warranty parts and service and for  
proof of purchase. Attach it here and record the serial and model  
numbers. These numbers are located on the product.  
11 . D o n o t e x p o s e t h e u n i t t o d i r e c t s u n l i g h t . I t s m a x i m u m a m b i e n t  
temperature is 35° Celsius (95° Fahrenheit).  
Model No. _____________________________________________________  
Serial No. _____________________________________________________  
Purchase Date: _________________________________________________  
Dealer/Address/Phone: ________________________________________  
_______________________________________________________________  
1 2 . T h e v e n t i l a t i o n s h o u l d n o t b e i m p e d e d b y c o v e r i n g t h e u n i t w i t h  
any items, such as newspapers, tablecloths, curtains, etc.  
13. No ame sources, such as lighted candles, should be placed on or  
close to the cradle/transmitter.  
1 4 . T h i s u n i t h a s b e e n d e s i g n e d f o r u s e i n a d r y e n v i r o n m e n t . I f , f o r  
exceptional reasons, you must utilize the unit out of doors (balcony,  
veranda, etc.), take care to protect it from dampness (dew, rain or  
splashes of liquid).  
1 5 . T h e m a x i m u m a m b i e n t h u m i d i t y t h a t t h e d e v i c e s u p p o r t s i s 8 5  
percent. If the unit is cold and you wish to use it in a warm room,  
wait until any condensation on the unit evaporates by itself before  
you turn it on.  
2
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TABLE OF CONTENTS  
INTRODUCTION  
Congratulations on your purchase of this wireless headphone system.  
The WHP141 utilizes wireless, radio frequency transmission. The  
headphones and the cradle/transmitter incorporate Double Phase Lock  
Loop (PLL) Technology, which locks in the frequency on three channels  
for clear and stable radio transmission reception. This 900 MHz stereo  
wireless headphone system features a compact design that enables you  
to enjoy music and TV sound just about anywhere inside or outside  
your home. It’s simple to connect this system to any sound source,  
such as a DVD, DBS, CD, TV, VCR, stereo receiver or radio.  
Introduction.......................................................................................................5  
Features ..............................................................................................................5  
Headphone Set Description ............................................................................6  
Supplied Accessories........................................................................................7  
Battery Installation and Information  
FEATURES  
Installing the Rechargeable Batteries.......................................................7  
Charging the Rechargeable Batteries .......................................................7  
NiMH Rechargeable Battery Memory Effect..........................................8  
NiMH Natural Power Discharge..............................................................8  
NiMH Battery Warning..............................................................................8  
900 MHz RF technology lets you roam freely throughout your house  
Operating distance up to 150ft/45m*  
No line-of-sight limitations  
Convenient power, volume and tuning controls located on headphones  
Automatic Level Control (ALC) and Auto On/Off function  
Connecting the Cradle/Transmitter..............................................................9  
Operation  
Standard Usage..........................................................................................10  
Maximum Performance ........................................................................... 11  
Troubleshooting .............................................................................................. 11  
Specications...................................................................................................12  
Warranty........................................................................................................... 13  
* Range may vary by environment.  
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HEADPHONE SET DESCRIPTION  
SUPPLIED ACCESSORIES  
For stand-alone functioning, it is recommended that your wireless  
headphones be powered by rechargeable batteries. The rechargeable  
batteries should be installed into the battery compartment and  
recharged before use. (See Battery Installation and Information, page 7).  
This headphone system includes accessories that enable you to use your  
wireless headphone set in a number of ways. (See section on Operation  
and Standard Usage, page 9)  
3.5mm/.25 inch jack adaptor  
1 Rechargeable battery  
compartment  
Main power adapter  
(AC/DC: 120 V ~ 60 Hz, 12 V = 150 mA)  
2 ON/OFF switch  
3
3 Recharging input  
4 Power LED  
indicator light  
BATTERY INSTALLATION AND INFORMATION  
Your wireless headphone unit requires two rechargeable AAA batteries.  
Rechargeable batteries are uncharged when you purchase them. Before  
you can use the wireless headphones, the batteries must be charged for  
16 hours. Follow these steps to install and charge the batteries.  
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1
2
Installing the Rechargeable Batteries  
Take care to follow these steps to correctly install the batteries.  
1. On the right headphone, locate the battery compartment (1). Use  
the nger depression on the compartment to turn the battery  
compartment cover counterclockwise to remove the cover.  
5 Stereo LED indicator light  
6 VOLUME control  
2. Insert two AAA rechargeable batteries, carefully following the  
markings inside to ensure the batteries are inserted properly,  
with the + and - ends in the correct positions.  
7 CHANNEL switch  
6
3. Replace the battery compartment cover.  
Charging the Rechargeable Batteries  
7
To recharge the headset unit, follow the directions below. Note: The  
cradle/transmitter on the WHP141 is not a recharging cradle, although  
you may place the headset in the cradle during recharging.  
5
Follow these steps to recharge the NiMH rechargeable batteries.  
8 Charging LED indicator light  
9 Audio Signal LED indicator light  
10 Charging cable  
1. Make sure the ON/OFF switch (2), located on the right headphone,  
is in the OFF position.  
2. Connect the AC/DC main power adapter to the DC IN power  
supply socket (11), located on the back of the cradle/transmitter.  
11 DC IN power supply socket  
8
9
12 CHANNEL switch  
3. Plug the adapter into an electrical outlet.  
13 Audio input cable  
4. Connect the charging cable (10), located on the back of the cradle/  
transmitter to the recharging input (3), located on the right  
headphone. The headphones can either be placed in the cradle/  
transmitter or placed next to the unit. If the headphones are  
connected correctly, the charging LED indicator light on the  
cradle/transmitter (8) illuminates.  
10  
11  
12  
13  
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CONNECTING THE CRADLE/TRANSMITTER  
BATTERY INSTALLATION AND INFORMATION (continued)  
Follow this quick setup guide to ensure trouble-free installation of your  
headphones. To connect the cradle/transmitter to the audio source,  
follow these steps.  
The LED indicator on the cradle/transmitter will be on whenever  
the headphones are properly plugged in to charge. Note that the  
light does not go out when the batteries are fully charged. The  
charge current to the headphone is very low and there is no danger  
in leaving them connected for extended periods of time.  
1. Connect the AC/DC main  
power adapter to the DC IN  
power supply socket (11) at the  
back of the cradle/transmitter.  
Then, connect the adaptor to an  
electrical outlet. Important: This  
power unit is intended  
5. Charge the rechargeable batteries for 16 hours before using the  
headphones for the rst time. After the initial charge, an overnight  
charge of 6-8 hours should be enough to return the batteries to a full  
charge after use.  
6. New batteries should normally last approximately eight hours  
before recharging is necessary. Over time, battery replacement may  
be necessary for maximum life.  
to be correctly oriented in a vertical or oor mount position.  
2. Insert the audio input cable (13), located on the back of the cradle/  
transmitter into the headphone jack of your audio source (e.g.,  
stereo, TV, CD player, DVD, etc.).  
NiMH Rechargeable Battery Memory Effect  
When an NiMH rechargeable battery is rst used, it is important to fully  
charge it and then allow it to discharge three times in order to maximize  
the battery’s storage capacity. Avoid recharging the battery until it is  
fully discharged. When a battery is recharged before it is completely  
discharged, it develops a memory that will limit the amount of charge  
in the future. This reduces the battery’s storage capacity for subsequent  
charges and so reduces the amount of time your headphones can be  
used before recharging is necessary.  
Plugging the transmitter into the headphone outlet of a TV may  
cause the TV speakers to mute. This is normal. The TV simply  
thinks the user would like private listening and turns the speakers  
off. If you would like to listen to the WHP141 headphones and have  
the TV speakers on, you must use the stereo audio outputs of the TV,  
usually located on the back or side panels. To use any RCA stereo  
(red/white RCA jack) output from any device such as TV, cable box  
or AV receiver will require the purchase of a 3.5mm female to RCA  
stereo Y adapter (not included with the WHP141 model). To use the  
adapter, simply plug the 3.5 mm jack from the transmitter into the  
adapter jack, and plug the RCA ends into the audio output of your  
source. Some TV models may require that you switch the audio  
outputs to on, usually through the menu system. Please consult  
your TV owner’s manual for specic instructions. Note that this  
headphone model is compatible with analog stereo outputs only.  
It is not compatible with digital outputs such as optical or coaxial  
SPDIF.  
NiMH Natural Power Discharge  
Due to their chemical design, all rechargeable batteries incur some  
degree of natural discharge. This means they automatically lose their  
charge in varying degrees, and the battery’s capacity drops even  
when not in use. The size of this power loss varies, depending on the  
battery’s type, size, design, internal resistance and, most especially, the  
temperature. The higher the temperature, the greater the power loss  
through natural discharge.  
3. The audio signal LED indicator light (9), located on the front of the  
cradle/transmitter, illuminates as soon as you have connected the power  
adapter to the outlet and the audio cable to an active signal source.  
NiMH Battery Warning  
If you are using NiMH or NiCd batteries, the batteries will charge when  
the headphones are powered with the AC power adapter. Do not power  
the headphones with the AC power adapter if you installed alkaline or  
other nonrechargeable batteries—this could cause the batteries to leak.  
Do not mix batteries with different chemistry types (for example, a zinc  
battery with an alkaline battery). Do not mix new and used batteries.  
Do not leave batteries installed in the product when not in use for long  
periods. Respect the environment and the law. Before disposing of  
rechargeable batteries, ask your distributor if they can be recycled and  
whether or not the distributor collects rechargeable batteries for recycling.  
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OPERATION (continued)  
OPERATION  
Standard Usage  
Maximum Performance  
1. Switch on the audio source (TV, DVD, CD player, etc.) to which the  
cradle/transmitter is connected. If your audio source is a DVD or  
CD player, start a disc.  
When the audio source offers a variable volume output, maximum  
performance can be achieved. Variable volume outputs include  
headphone jacks, computer speakers and some TV RCA output jacks.  
Warning: The cradle/transmitter has an automatic function that  
switches it off if it does not receive an audio signal for approximately  
4 minutes. If the volume on the audio source is too low, the cradle/  
transmitter also switches off after four minutes. This feature  
was installed to comply with current legislation that reduces the  
amount of radio emissions in the environment. To ensure that this  
function is not accidentally triggered, set the audio source volume at  
approximately 50 percent capacity. Consult your component user’s  
manual for details on how to set the volume for headphones.  
Variable Volume Output. When using an audio source with a variable  
output jack, you can reduce any distortion and achieve maximum  
performance by following these steps:  
1. Set the volume of the audio source component to mid-level.  
2. Adjust the headphone VOLUME control (6) until the desired result  
is achieved.  
3. If the headphone volume is not sufcient, adjust the source volume.  
4. If distortion occurs, reduce the volume on the source component.  
2. The cradle/transmitter is now ready to receive an audio signal. The  
cradle/transmitter is activated automatically when receiving an  
audio signal from the audio source.  
Fixed Volume Output. When using an audio source with a xed  
volume output, regulating the volume can be achieved through the  
headphone VOLUME control (6) only. Examples of xed volume  
outputs are RCA jacks (VCR, Tape, Video or CD outputs).  
3. Check to make sure the audio signal LED indicator light (9) on the  
front of the cradle/transmitter is lit, indicating that the unit is ready.  
4. Place the headphone ON/OFF switch (2), located on the right  
TROUBLESHOOTING  
headphone, to the ON position.  
Refer to this troubleshooting section if you encounter any difculties  
in setting up and using your headphones.  
5. Check to make sure the stereo LED indicator light (5) on the left  
headphone is lit, indicating a strong signal.  
PROBLEM  
SOLUTION  
6. The cradle/transmitter and the headphones feature double phase  
lock loops (PLL) for radio frequency transmissions. Select one of  
the three channels on the back of the cradle/transmitter (12) and  
the corresponding channel on the left headphone (7). Be sure  
that the same channel (1, 2 or 3) is selected on both the cradle/  
transmitter and the headphones. The Phase Lock Loop (PLL)  
function automatically locks the chosen channel, providing  
top-quality audio reception with no sound loss.  
No sound heard • Check that your audio source, cradle/transmitter and  
through the  
headphones  
headphones are connected, supplied properly and  
turned on.  
• Check to ensure that the rechargeable batteries are  
installed in the headset correctly and have been  
recharged properly.  
• Check to ensure the cradle/transmitter is running  
and the audio signal LED indicator light (9) on the  
unit is lit.  
7. Before wearing headphones adjust the volume using the VOLUME  
control (6), located on the left headphone, to a comfortable volume  
level.  
• Check that the audio source is delivering a sufcient  
signal to the cradle/transmitter through the audio  
input cable (13). Use the VOLUME control (6) to  
increase the sound level.  
8. When you are through using the headphones, switch them off using  
the ON/OFF switch (2), and place the audio source on standby.  
• Check to ensure the audio outputs of your TV are “live”  
when you are connecting to the stereo audio outputs  
(RCA jack). You may need to go into the TV menu  
system to ensure these outputs are turned on. Refer to  
your TV user manual for more details.  
• Check that the headphone and transmitter are set  
to the same channel.  
* Range may vary by environment.  
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TROUBLESHOOTING (continued)  
12 MONTH LIMITED WARRANTY  
Audiovox Electronics Corporation (the “Company”) warrants to the original retail purchaser  
of this product that should this product or any part thereof, under normal use and conditions,  
be proven defective in material or workmanship within 12 months from the date of original  
purchase, such defect(s) will be repaired or replaced (at the Company’s option) without charge  
for parts and repair labor. To obtain repair or replacement within the terms of this Warranty,  
the product along with any accessories included in the original packaging is to be delivered  
with proof of warranty coverage (e.g. dated bill of sale), specication of defect(s), transportation  
prepaid, to the Company at the address shown below. Do not return this product to the Retailer.  
PROBLEM  
SOLUTION  
Poor sound  
quality or  
interference  
• Check to ensure that the sound provided by the audio  
source is loud enough and of sufcient quality. Make  
sure the stereo LED indicator light (5) is lit.  
• Check if the batteries in the headphones have sufcient  
power. Recharge or replace them, if necessary.  
• Check to see if you have selected the best transmission  
channel (1, 2, or 3) to provide the optimum signal  
reception. If necessary, try another channel on both  
the headphones (7) and the cradle/transmitter (12).  
This Warranty is not transferable and does not cover product purchased, serviced or used  
outside the United States or Canada. The warranty does not extend to the elimination  
of externally generated static or noise, to costs incurred for the installation, removal or  
reinstallation of the product. The warranty does not apply to any product or part thereof which,  
in the opinion of the company, has suffered or been damaged through alteration, improper  
installation, mishandling, misuse, neglect, accident or exposure to moisture. This warranty  
does not apply to damage caused by an AC adapter not provided with the product, or by  
leaving non-rechargeable batteries in the product while plugged into an AC outlet.  
• Check if the distance between the headphones and  
the cradle/transmitter is within the operating range.  
(The effective range of this device is approximately  
150ft/45m.*) Move closer to the cradle/transmitter  
to receive the sound.  
THE EXTENT OF THE COMPANY’S LIABILITY UNDER THIS WARRANTY IS LIMITED  
TO THE REPAIR OR REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL  
THE COMPANY’S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER  
FOR THE PRODUCT. This Warranty is in lieu of all other express warranties or liabilities.  
ANY IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED  
TO DURATION OF THIS WARRANTY. ANY ACTION FOR BREACH OF ANY WARRANTY  
HEREUNDER, INCLUDING ANY IMPLIED WARRANTY, MUST BE BROUGHT WITHIN  
A PERIOD OF 24 MONTHS FROM THE DATE OF ORIGINAL PURCHASE. IN NO CASE  
SHALL THE COMPANY BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL  
DAMAGES WHATSOEVER. No person or representative is authorized to assume for the  
Company any liability other than expressed herein in connection with the sale of this product.  
Some states/provinces do not allow limitations on how long an implied warranty lasts or  
the exclusion or limitation of incidental or consequential damage so the above limitations  
or exclusions may not apply to you. This Warranty gives you specic legal rights and  
you may also have other rights which vary from state/province to state/province.  
• Check that the audio source provides stereo sound.  
Power cut off  
• The cradle/transmitter has an automatic power off  
function. When no signal is received through the  
cradle/transmitter’s audio input cable, it switches  
off. Switch on your audio source again, and use the  
CHANNEL switches (7 & 12) to adjust reception.  
If necessary, increase the audio source’s volume.  
SPECIFICATIONS  
Model  
WHP141  
U.S.A.: Audiovox Electronics Corporation, 150 Marcus Blvd., Hauppauge, New York 11788  
CANADA: Audiovox Return Center, c/o Genco, 6685 Kennedy Road, Unit 3, Door 16,  
Mississauga, Ontario L5T 3A5  
Description  
Radio Frequency  
Wireless Headphone System  
Transmitter  
Carrier Frequency  
900 MHz  
Effective Range  
Up to 150ft/45m – Range may vary by environment.  
12V 150 mA  
Power Supply  
Transmission Frequency  
UHF – 900 MHz/three channels:  
912 MHz (1), 912.5 MHz (2), and 913 MHz (3)  
Headset Power Supply  
Two AAA type 1.2V NiMH rechargeable  
batteries included  
12  
13  
 

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