Samsung SGH-T255YKATFN - Manual (Page 88)

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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. Allowing unqualified personnel to service your phone may
result in damage to your phone and 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.
• If your phone is equipped with an external antenna, hold the phone with the antenna raised,
fully-extended and over your shoulder.
• Do not hold, bend or twist the phone's antenna, if applicable.
• Do not use the phone if the antenna is damaged.
• If your phone is equipped with an internal antenna, obstructing the internal antenna could
inhibit call performance.
• Speak directly into the phone's receiver.
• If your phone has a SIM or memory card: (i) handle the SIM or memory card with care, (ii)
do not remove a card while the phone is transferring or accessing information, as this could