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is adopted in accordance with Capacity Pulse Scanning & Recording Technology, so that
two beams of different wavelength of lights can be focused onto human nail tip through
perspective clamp finger-type sensor. Then measured signal can be obtained by a photo-
sensitive element, information acquired through which will be shown on screen through
treatment in electronic circuits and microprocessor.
3. Functions
A. SpO
value display
2
B. PR value and bar graph display
C. Pulse waveform display
D. Low-battery indication: low-battery indication appears when the battery voltage is too
low to work
E. Automatic standby function
F. Display mode can be changed
G. Adjustable screen brightness
H. Display direction can be changed automatically
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