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Sound of heartbeat
The heartbeat is sounded through the buzzer; therefore, the heartbeat rate is
known from the frequency of sound. Press the "sound button"
buzzer and the LCD screen will have the "sound icon"
"sound button"
again to exit the silence mode and the "sound icon"
disappear from the LCD icon and replaced by
LCD backlight control
Press the "LCD backlight button"
light is sufficient.
Press the "LCD backlight button"
ambient light is insufficient.
Memory reading and memory delete
Enter the memory mode with the
memory.
Enter the memory reading mode, the
SpO
and heart rate value shown; moreover, the recording time/date will be
2
revealed too.
If there is not any SpO
and heart rate value in memory, the icon "- -" will appear
2
on the screen and the
is with 0 value shown. It means that is not any data
stored in the memory.
The memory is for a rolling recording with 288 data in total. Press
out next memory data; press
memory reading mode.
In the memory reading mode, press
delete" mode. The screen shows
deleted, so please press
for 2 seconds to save data and exit the mode.
Press the arrow key to have the screen shown
data deleted. Press
for 2 seconds to delete data and exit the mode.
The deleted data could not be restored.
Press
to exit the memory reading mode.
to silence the
shown. Press the
will
or
instead.
to turn off backlight while the ambient
again to turn on the backlight while the
or to read out the SpO
and heart rate in
2
will appear on the screen and with the
to call
to call out prior data. Press
to exit the
for 2 seconds to enter the "memory
and
that means not to have the data
and
that means to have
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