Technical Specifications
Power Supply
12V, 200mA AC adapter for transmitter
2 rechargeable AAA batteries for headset
Maximum Operating Distance
33 feet (10 meters)
Battery Life
Over 15 hours
Transmission Mode
Infrared 850 nanometers
Frequency Modulation
2.3 MHz (left); 2.8 MHz (right)
Frequency Response
40 Hz–12000 Hz
Distortion
1% THD
Signal to Noise Ratio
40 dB
Limited Product Warranty
Unisar Inc., the distributor of the TV Listener
®
J3 (Model #TV920), warrants to the original
owner of this product that this product is free from defects in materials and workman-
ship for a period of six (6) months from the date of the original purchase. If this product
fails to function properly when used as directed under normal conditions within the
six-month period, Unisar Inc. will either repair or replace the product, at its option, free
of charge, when it is returned in its original packaging, postage prepaid, with proof of
purchase. Unisar Inc. will bear the cost of repairing or replacing the product and
shipping it back to you within the United States. Repair or replacement of the defective
product is subject to verification of the malfunction or defect when delivered to:
Unisar
®
Service Center
51-02 21 Street, Floor 7
Long Island City, NY 11101
NOTE:
The warrantor expressly disclaims liability for incidental, consequential, or special
damages of any nature. This warranty does not cover: 1) A defect that has been
caused by repair or modification by any person other than a Unisar technician; 2) A
defect caused by negligence, accident, or misuse of the product; 3) A defect caused
by incorrect installation of and/or defective batteries; 4) Battery life; 5) A defect
caused by the use of any adapter not provided by the warrantor; or 6) Damage
resulting from improper operation.
LEGAL RIGHTS VARY FROM STATE TO STATE.
NOTE:
This warranty is valid only for products sold in the United States. If you have
purchased this product outside of the United States, please see your local retailer or
distributor for service.
If you have any questions, please contact our Customer Service Department
at
1-877-736-6760
Mon-Fri from 9:00AM-5:00PM Eastern Time, or e-mail us at
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RoHS
Increase volume level.
Bring them closer together.
Maximum range is 33 feet
(10 meters).
Make sure nothing is
obstructing the transmission
of the infrared light rays
from transmitter to headset.
Place transmitter at or
close to your eye level
when you are sitting.
Make sure infrared sensors
are not being blocked by
clothing, hair, hands, etc.
Position unit away from
direct sunlight.
Check or charge batteries.
Use only AAA rechargeable
batteries. Do
NOT
use
alkaline batteries.
Plug AC adapter into
surge protector and then
plug surge protector
into electrical outlet.
Plug the transmitter into
your cable box instead of
your television. Move trans-
mitter so it is not directly in
front of the TV.
Make sure there isn't
anything obstructing the
transmission of the infrared
light rays from transmitter
to headset.
Plug AC adapter into
surge protector and then
plug surge protector
into electrical outlet.
Check connections. Make
sure you have not connect-
ed the stereo adapter into
a mono output.
Sound from headset
is low or poor.
There is static coming
from headset.
There is a radio signal
coming from headset.
There is sound coming
from only one side of the
headset.
Volume on headset is
too low.
Headset and transmitter
are too far apart.
Headset is not in line of
sight of transmitter.
Transmitter is not placed
properly.
Infrared sensors in
headset are obstructed.
Interference from sunlight.
Batteries in headset
are low.
Electric current to transmitter
is causing static.
LCD or plasma television is
causing static.
Headset is not in line of
sight of transmitter.
Electric current to transmitter
is causing the radio signal.
Audio cord is not properly
plugged into audio
device.
