Samsung SGH-T709BKBTMB - Manual (Page 224)

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• For vehicles equipped with an air bag, remember that an air bag
inflates with great force. Do not place objects, including both
installed or portable wireless equipment in the area over the air
bag or in the air bag deployment area. If wireless equipment is
improperly installed and the air bag inflates, serious injury
could result.
• Switch your phone off before boarding an aircraft. The use of
wireless phone in aircraft is illegal and may be dangerous to
the aircraft's operation.
• Failure to observe these instructions may lead to the
suspension or denial of telephone services to the offender, or
legal action, or both.
Product Performance
Getting the Most Out of Your Signal Reception
The quality of each call you make or receive depends on
the signal strength in your area. Your phone informs you
of the current signal strength by displaying a number of
bars next to the signal strength icon. The more bars
displayed, the stronger the signal.
If you're inside a building, being near a window may give
you better reception.
Understanding the Power Save Feature
If your phone is unable to find a signal after 15 minutes of
searching, a Power Save feature is automatically
activated. If your phone is active, it periodically rechecks
service availability or you can check it yourself by
pressing any key.
Anytime the Power Save feature is activated, a message
displays on the screen. When a signal is found, your
phone returns to standby mode.