Sony Ericsson W21S, Basic Manual

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4
Check the power, radio waves, and battery!
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Usually, keep the cellphone's "power" on.
To make or receive calls, turn the power
on.
Hold down for at least one second.
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Pay attention to the remaining "battery" power.
Sometimes the cellphone does not
function properly if the remaining
battery power is low.
indicates the remaining battery power.
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You cannot talk if you are not receiving "radio waves."
It is sometimes difficult to receive radio
waves in some places even in service
areas.
indicates the reception state.
See
page
11
See
page
11
See
page
11