9 Key of Symbols
Signal Description
Warning – See User Manual
%SpO
2
The pulse oxygen saturation(%)
PRbpm Pulse rate (bpm)
Low-voltage
Open the alarm sound indication
Open the pulse sound indication
menu button/power button/function button
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
IPX1 Ingress of liquids rank
WEEE (2002/96/EC)
CMS-50D Plus