RCA Headphones WHP140 User Guide

Wireless Headphones  
with 900 MHz transmitter  
up to  
*
feet  
Thank you for choosing the  
RCA Wireless Headphones.  
Before attempting to use  
your Wireless Headphones,  
please remove all parts from  
the box and read  
the installation and use  
instructions carefully.  
* Open field tested  
Limited One-Year Warranty  
WHP140  
 
TABLE OF CONTENTS  
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Headset safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12  
INTRODUCTION  
This 900 MHz stereo wireless headphone system features a compact  
design that uses the latest wireless technology that enables you to  
enjoy music and TV sound just about 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  
900 MHz RF technology lets you roam freely throughout your house  
Operating distance up to 100 feet  
No line-of-sight limitation  
Convenient power and tuning controls located on headphones  
 
TRANSMITTER  
FRONT  
BACK  
POWER LED  
INDICATOR  
CHANNEL TuNINg WHEEL  
BuILT-IN 3.5mm  
sTEREO AuDIO  
CORD  
DC POWER JACK  
HEADSET SAFETY  
Do not play your headset at a high volume.  
Hearing experts advise against continuous extended play.  
If you experience a ringing in your ears, reduce the volume  
or discontinue use.  
Make sure the volume level of the headphone is set at a comfortable  
listening level before placing it in position over your ears.  
 
INSTALLATION  
Please follow this quick set-up guide to ensure trouble free installation  
of your headphones.  
Step 1:  
Connect the built-in 3.5mm Stereo Audio Cord to the audio output  
jack of your audio source, e.g. TV, HiFi, CD, DVD player etc. The 3.5mm  
plug is standard and will fit in the jack marked PHONES or  
LINE OUT that is available on most portable CD, MP3 players or  
portable audio device.  
* If you are connecting to a stereo receiver or if your audio source has  
two RCA output jacks (red and white in color), use the Y-connection  
Cord that is included for connecting the transmitter to the  
the jacks marked AUDIO OUT or LINE OUT.  
Step 2:  
Connect the plug end of the AC Adapter to the DC IN Socket,  
located on the back of the transmitter, and plug the adapter into  
the AC wall outlet.  
Important: This power unit is intended to be correctly oriented in a  
vertical or floor mount position.  
Step 3:  
The transmitter is now ready to receive an audio signal. When there  
is a signal received from the audio source, the Power LED Indicator  
will glow RED to confirm that the transmitter is operating.  
Make sure the transmitter is located on a secure flat surface, preferably  
above head level. This will assure the best performance and allow the  
headphone to receive the wireless signal.  
* The transmitter has an auto-cut-off function. When there is no audio  
signal (such as when a CD has finished and the player stops) for  
a period of about 90 seconds, the power of the transmitter will be  
automatically cut off. You will then hear some noise from the headset  
and the LED on the earcup will turn RED. Once an audio signal is  
restored to the transmitter (resume playing the CD or audio program)  
then the LED on the transmitter will glow RED indicating that it is  
transmitting audio once again (the LED on the headphone will turn  
back to GREEN to indicate normal operation).  
 
INSTALLATION (continued)  
Step 4:  
Placing your thumb on the Battery Compartment Cover on the left  
side of the headphone, gently push up in a sliding motion to remove  
the cover. Then insert the 2 “AA” size batteries into the battery  
compartment, carefully following the markings inside to assure the  
batteries are inserted properly with the + and – ends in the correct  
position. Then slide the battery cover into place until the tabs lock  
to secure it in the proper position. Then locate the Power ON/OFF  
Switch and slide it to ON.  
*Note: You may use nickel-cadmium or nickel-metal hydride  
rechargeable batteries to operate the headphones. However, they  
may not be recharged in the headphones. Use your charging device  
with the batteries to recharge them.  
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.  
RIGHT SIDE  
LEFT SIDE  
BATTERy  
COmPARTmENT  
COvER  
DuAL  
COLOR LED  
INDICATOR  
POWER ON/  
OFF sWITCH  
CHANNEL  
vOLumE  
CONTROL  
KNOB  
TuNINg  
THumBWHEEL  
 
INSTALLATION (continued)  
Step 5:  
Switch on your music device (TV, HiFi, CD, DVD etc.) to begin  
playing your audio program. If you have the transmitter connected  
to a portable CD or MP3 player, make sure the volume level on the  
player is set to a mid-level setting to assure a strong input signal to  
the transmitter.  
Step 6:  
Listen to the sound coming from the headphone before placing it in  
position on your head to make sure the volume is not too loud. Adjust  
the volume control by rotating the thumbwheel to the desired level.  
Please refer to the previous HEADSET SAFETY section for quidelines  
on operating safety.  
If there is no sound or it is distorted, then tune the headphone by  
adjusting the CHANNEL TUNING THUMBWHEEL until the sound  
is improved and the LED light turns GREEN.  
 
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 “ON.”  
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 “Headset Safety” on page 1.)  
Adjust the volume as needed using the VOLUME CONTROL wheel  
located on the right ear cup. Once the volume level is at a comfortable  
setting, place the headphones over your ears and adjust the volume  
as desired.  
 
SPECIFICATIONS  
Model  
WHP140  
Description  
Radio Frequency  
Wireless Headphones System  
(Power Auto Cut Off/Dual Color  
LED Indicator)  
Transmitter  
Carrier Frequency  
900 MHz  
Effective Range  
Power Supply  
100 feet (open field)  
AC Adapter, 12V 200mA  
Headphones  
Frequency Response  
100-7,000 Hz  
Signal to Noise Ratio  
Distortion  
50 dB  
<2%  
Channel Separation  
Power Supply  
25 dB  
2 x 1.5V AA size batteries  
System Includes  
1 Transmitter  
(built-in 3.5mm stereo audio cord)  
1 Headphones  
1 AC/DC adapter for transmitter  
1 Y-connection Cord  
2 AA heavy duty batteries  
 
TROUBLESHOOTING  
If you encounter any trouble in setting up the Headphones,  
please check the following points:  
PROBLEM  
SOLUTION  
Distorted sound  
quality or  
unclear sound:  
A) Check if the sound of your audio source is  
distorted and whether the volume control  
is set to an adequate level.  
B) Make sure that your audio equipment, the  
transmitter and headphones are connected  
properly and switched ON. If the batteries  
in the headphones have insufficient power,  
replace them with fresh batteries.  
C) Check if you have selected the best channel.  
Adjust the Channel Tuning once again to  
check. If necessary, you may change the  
setting of the transmitter by turning the  
CHANNEL TUNING THUMBWHEEL up  
or down, then adjusting the thumbwheel  
on the HEADPHONES to tune in a better  
channel setting to improve audio or  
eliminate interference.  
No sound from  
the headphones:  
A) Check if the batteries are inserted properly  
into the battery compartment and whether  
the headphones are switched ON.  
B) Check if the batteries in the headphones  
have sufficient power—replace them  
if necessary.  
c) Check if the transmitter is properly  
connected and powered on with the AC/  
DC Adapter (the Power LED  
Indicator should glow RED).  
D) Check if all the cords are properly connected.  
E) Check if the distance between the  
headphones and transmitter are within the  
effective range. (The effective range of the  
device is approx. 100 feet). Move closer to  
the transmitter to receive the sound.  
Mono sound:  
A) Check if the audio source is mono only,  
use a stereo audio source.  
 
10  
TROUBLESHOOTING (continued)  
PROBLEM  
SOLUTION  
Interference:  
A) On the back of the transmitter, there is a  
CHANNEL TUNING THUMBWHEEL.  
Select a different frequency channel by  
turning the thumbwheel up or down. Then  
adjust the thumbwheel on the channel  
tuning control on the headphones until the  
LED Indicator glows GREEN showing that  
the channel has been properly tuned.  
Power auto-cut-off:  
A) The transmitter has an auto-cut-off function.  
When there is no audio signal (such as  
when a CD has finished and the player  
stops) for a period of about 90 seconds,  
the power of the transmitter will be  
automatically cut off. You will then hear  
some noise from the headset and the  
LED on the earcup will turn RED. Once an  
audio signal is restored to the transmitter  
(resume playing the CD or audio program),  
then the LED on the transmitter will glow  
RED indicating that it is transmitting audio  
once again (the LED on the headphone  
will turn back to GREEN to indicate  
normal operation).  
 
11  
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), specification of defect(s), transportation prepaid, to the Company at the address  
shown below. Do not return this product to the Retailer.  
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.  
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 specific  
legal rights and you may also have other rights which vary from state/province to  
state/province.  
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  
© 2007 Audiovox Accessories Corporation  
111 Congressional Blvd., Suite 350  
Carmel, IN 46032 USA  
WHP140 US IB 01  
Trademark(s) ® Registered  
Marca(s) Registrada(s)  
Made in China  
 

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