Contec CMS50D+ - 9 Key of Symbols

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9 Key of Symbols
Signal
Description
Refer to instruction manual/booklet
%SpO
2
The pulse oxygen saturation(%)
PRbpm
Pulse rate (bpm)
Low-voltage
Open the alarm sound indication
Open the pulse sound indication
Menu button/Exit standby mode.
Type BF
SN
Serial number
1. The finger clip falls off ( no finger
inserted)
2. Probe error
3. Signal inadequacy indicator
Battery positive electrode
Battery cathode
USB