Qing Xin Electronic V-18, Руководство пользователя

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an adult who is at rest can range
between 60 and 100 beats per minute.
For athletes who are in excellent
physical condition, an average
heartbeat rate tends to be on the lower
end of this spectrum and possible as
low as 40 beats per minute.
The heartbeat rate for newborns,
younger children, teenagers are
different, compared with adult.
12. Human voice prompt
The phone has a human voice prompt
feature. Press the Green ‘Menu key’
and enter the ‘Contacts’
submenu. Choose the 6
th
option
‘Settings’. Then choose the 4
th
option
‘Human voice prompt’ to turn it on.
You will hear the phone reading the
numbers as you press them and when
someone calls the phone.
There is a ‘Keyboard lock key’ on the