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Document Version 2007-06

For Best Performance

Operating Distance

Please keep KX-NT300 series IP-PTs with connected 
Bluetooth Modules, 3 m (9 ft 10 in) or more apart from 
each other.
Also, if a Bluetooth headset is in use near a KX-NT300 
series IP-PT with a connected Bluetooth Module, other 
than the one it is registered to, noise may be heard. Move 
away from the IP-PT and closer to the one it is registered 
to, to improve the signal.

Noise

Signals are transmitted between this module and the 
Bluetooth headset using radio waves. For maximum 
distance and noise free operation, it is recommended 
that the module is situated away from electrical 
appliances such as faxes, radios, personal computers, or 
microwaves.

Systems using the 2.4 GHz ISM (Industrial, Scientific and 
Medical) band may interfere with this product. Examples of 
such systems are cordless telephones, wireless LAN, Home 
RF, microwave ovens and other ISM devices. These 
systems may cause minor noise.

Trouble shooting

Important Information

When using this module, keep the following 
conditions in mind.

Do not disassemble this module. Dangerous electrical 
shock could result. The module must only be disassembled 
and repaired by qualified service technicians.

This module is designed to be installed under controlled 
conditions of temperatures no less than 5 °C (41 °F) or 
greater than 40 °C (104 °F).

Medical:

Consult the manufacturer of any personal medical devices, 
such as pacemakers or hearing aids, to determine if they are 
adequately shielded from external RF (radio frequency) energy 
(the product operates in the frequency range of 2.4000 GHz to 
2.4835 GHz and the power output is 2.5mW (max.)). Do not use 
the product in health care facilities if any regulations posted in 
the area instruct you not to do so. Hospitals or health care 
facilities may be using equipment that could be sensitive to 
external RF energy.

WARNING:

TO PREVENT POSSIBLE FIRE OR ELECTRIC SHOCK, DO 
NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.

FCC and other information

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.

CAUTION:

Any changes or modifications not expressly approved by the 
party responsible for compliance could void the user’s authority 
to operate this device.

NOTE:

This equipment has been tested and found to comply with the 
limits for a 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, uses, and can radiate 
radio frequency energy 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 interference 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.

FCC RF Exposure Warning:

The product complies with FCC radiation exposure limits set 
forth for an uncontrolled environment.
The product must not be collocated or operated in conjunction 
with any other antenna or transmitter.

Problem:

 I cannot have a conversation using the 

Bluetooth headset.

Solution:

Make sure that the Bluetooth headset is properly 
registered to the module.

Make sure that the Bluetooth headset is properly 
charged according to the manual of the Bluetooth 
headset.

Remove the wired headset from the headset jack. 
Priority is given to the wired headset when both are 
connected.

Problem: 

I cannot register, de-register, or confirm the 

ID of the Bluetooth headset.

Solution:

Make sure that the module is properly installed in the IP-PT.

NT307M-b5.fm  Page 2  Tuesday, May 22, 2007  11:43 AM

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