Limited Product Warranty
Unisar Inc., the distributor of the TV Listener
®
K4 (Model #TV865), 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
.
Technical Specifications
Power Supply
12V, 200mA AC adapter for transmitter
2 AAA NiMH rechargeable batteries for headset
Maximum Operating Distance
33 feet (10 meters)
Battery Life
Approximately 10 hours
Transmission Mode
Infrared 850 nanometers
Frequency Modulation
2.3 MHz
Frequency Response
40 Hz–12000 Hz
Distortion
< 2% THD
Signal to Noise Ratio
40 dB
Maximum Amplification
125-130 dB
This device complies with Part 15 of the FCC Rules. Operation 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.
This equipment has been tested and found to comply with the limits for Class B Digital Device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates and can radiate radio frequency ener-
gy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct the interfer-
ence by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications not expressly approved by the party responsible for compliance may void
the user’s authority to operate the equipment.
RoHS
{
14
}
{
15
}
There is sound coming
from only one side of the
headset.
Audio cord is not properly
plugged into audio
device.
Volume on one side of
headset is too low.
Check connections. Make
sure you have not connect-
ed the stereo adapter into
a mono output.
Increase volume level.
