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operations are in progress. Areas with a potentially explosive atmosphere are often, but not
always, clearly marked. They include below deck on boats, chemical transfer or storage
facilities and areas where the air contains chemicals or particles such as grain, dust, or metal
powders. You should check with the manufacturers of vehicles using liquefied petroleum gas
(such as propane or butane) to determine if this device can be safely used in their vicinity.
■ Emergency calls
Important: This device operates using radio signals, wireless networks, landline
networks, and user-programmed functions. If your device supports voice calls over
the internet (internet calls), activate both the internet calls and the cellular phone.
The device will attempt to make emergency calls over both the cellular networks
and through your internet call provider if both are activated. Connections in all
conditions cannot be guaranteed. You should never rely solely on any wireless
device for essential communications like medical emergencies.
To make an emergency call:
1. If the device is not on, switch it on. Check for adequate signal strength. Depending on
your device, you may also need to complete the following:
• Insert a SIM card if your device uses one.
• Remove certain call restrictions you have activated in your device.
• Change your profile from offline or flight profile mode to an active profile.
2. Press the end key as many times as needed to clear the display and ready the device for
calls.
3. Enter the official emergency number for your present location. Emergency numbers vary
by location.
4. Press the call key.
When making an emergency call, give all the necessary information as accurately as
possible. Your wireless device may be the only means of communication at the scene of an
accident. Do not end the call until given permission to do so.
■ Hearing aids
Some digital wireless devices may interfere with some hearing aids. If interference occurs,
consult AT&T.
■ Certification information (SAR)
This mobile device meets guidelines for exposure to radio waves.
Your mobile device is a radio transmitter and receiver. It is designed not to exceed the limits
for exposure to radio waves recommended by international guidelines. These guidelines
were developed by the independent scientific organization ICNIRP and include safety
margins designed to assure the protection of all persons, regardless of age and health.
The exposure guidelines for mobile devices employ a unit of measurement known as the
Specific Absorption Rate or SAR. The SAR limit stated in the ICNIRP guidelines is 2.0 watts/
kilogram (W/kg) averaged over 10 grams of tissue. Tests for SAR are conducted using
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