Operational precautions, Two-way radio operation, Product operation – Boost Mobile i290 User Manual
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Safety Information
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radio frequency range between 9 kHz and 
300 GHz." "Attachment to Resolution 303 
from July 2, 2002." 
Operational Precautions
To assure optimal radio product performance and 
to be sure that human exposure to RF does not 
exceed the guidelines set forth in the relevant 
standards, always follow these instructions and 
precautions :
Two-way radio operation
Your radio product has been designed and tested 
to comply with national and international 
standards and guidelines regarding human 
exposure to RF electromagnetic energy, when 
operated in the two-way mode (at the face, or at 
the abdomen when using an audio accessory) at 
usage factors of up to 50% talk/50% listen.
Transmit no more than the rated duty factor of 
50% of the time. To transmit (talk), push the 
Walkie-Talkie (WT) button. To receive calls, 
release the WT button. Transmitting 50% of the 
time or less, is important because this radio 
generates measurable RF energy only when 
transmitting (in terms of measuring for standards 
compliance).
When using your radio product 
as a traditional two-way radio, 
hold the radio product in a 
vertical position with the 
microphone one to two inches 
(2.5 to 5 cm) away from the lips.
Product Operation
When placing or receiving a phone call, hold your 
radio product as you would a wireline telephone. 
Speak directly into the microphone.
If you wear a radio product on your body when 
transmitting, always place the radio product in a 
Motorola approved clip, holder, holster, case or 
body harness. If you do not use a body-worn 
accessory supplied or approved by Motorola and 
are not using the radio product in the intended 
use positions along side the head in the phone 
mode or in front of the face in the two-way radio 
mode—or if you hang your device from a lanyard 
around your neck—keep the device at least 2.5 
centimeters (1 inch) from your body when 
transmitting.
