Sony T10s - Manual (Page 84)

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84 Guidelines for Safe and Efficient Use
Efficient Phone Operation
How to use your phone for optimum performance with minimum power con-
sumption:
Hold the phone as you would any other telephone. While speaking directly
into the mouthpiece, angle the antenna in a direction up and over your shoul-
der. If the antenna is extendable, it should be extended during a call.
Do not hold the antenna when the phone is IN USE. Holding the antenna
affects call quality, may cause the phone to operate at a higher power level
than needed and shorten talk and standby times.
Antenna Care and Replacement
Do not use the phone with a damaged antenna. Replace a damaged antenna
immediately. Consult your manual to see if you may change the antenna your-
self. If so, use only an Ericsson approved antenna. Otherwise, take your phone
to a qualified service centre for repair.
Use only the designated Ericsson antenna. Unauthorized antennas, modifica-
tions, or attachments could damage the phone and may violate the appropriate
regulations.
Do not use an antenna designed for any other type of portable telephone than
the telephone you have purchased.
Driving
Check the laws and regulations on the use of telephones in the areas where
you drive. Always obey them. Also, when using your phone while driving,
please:
• Give full attention to driving.
• Use hands-free operation, if available.
• Pull off the road and park before making or answering a call if driving
conditions so require.
RF energy may affect some electronic systems in motor vehicles. In addition,
some vehicle manufacturers forbid the use of mobile phones in their vehicles.
Check with your vehicle manufacturer's representative to be sure your phone
will not affect the electronic systems of your vehicle.