Samsung SGH-T139 User Manual (user Manual) (ver.f6) (English) - Page 114

Product Performance, Getting the Most Out of Your Signal Reception

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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 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. Understanding How Your Phone Operates Your phone is basically a radio transmitter and receiver. When it's turned on, it receives and transmits radio frequency (RF) signals. When you use your phone, the system handling your call controls the power level. This power can range from 0.006 watts to 0.2 watts in digital mode. Maintaining Your Phone's Peak Performance For the best care of your phone, only authorized personnel should service your phone and accessories. Faulty service may void the warranty. There are several simple guidelines to operating your phone properly and maintaining safe, satisfactory service. • To ensure that the Hearing Aid Compatibility rating for your phone is maintained, secondary transmitters such as Bluetooth and WLAN components must be disabled during a call. For more information, refer to "Turn Bluetooth On or Off" on page 65. 111

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111
•
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 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.
Understanding How Your Phone Operates
Your phone is basically a radio transmitter and receiver. When it's turned on, it receives and transmits radio
frequency (RF) signals. When you use your phone, the system handling your call controls the power level. This
power can range from 0.006 watts to 0.2 watts in digital mode.
Maintaining Your Phone's Peak Performance
For the best care of your phone, only authorized personnel should service your phone and accessories. Faulty
service may void the warranty.
There are several simple guidelines to operating your phone properly and maintaining safe, satisfactory service.
•
To ensure that the Hearing Aid Compatibility rating for your phone is maintained, secondary transmitters such as Bluetooth and
WLAN components must be disabled during a call. For more information, refer to
“Turn Bluetooth On or Off”
on page 65.