EN
sure the device
works all right.
The SpO2 and
Pulse Rate are not
displayed stably
1. The finger is not
placed inside deep
enough.
2. The finger is
shaking or the
patient is moving.
1. Place the finger
properly and try
again.
2. Let the patient
keep calm
The device can not
be turned on
1. The battery is
drained or almost
drained.
2. The battery is
installed
incorrectly.
3. The device’s
malfunction
1.Please change
the battery
2. Please install the
battery
again.
3. Please contact
the local service
center.
The display is off
suddenly
1. The battery is
drained away or
almost drained
away.
1.Please change
the battery
9. Key of Symbols
Symbol
Description
Refer to instruction manual/booklet
%SpO2
Pulse oxygen saturation (%)
PRbpm
Pulse rate (bpm)
Close the alarm sound indication
Pause the alarm sound indication
Open the alarm sound indication
Close the pulse sound indication
Open the pulse sound indication
The battery power is full
The lack of battery power.(Please