Operation Manual
11
9
9
9
9 Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Trouble
Trouble
Trouble
Trouble Possible
Possible
Possible
Possible Reason
Reason
Reason
Reason Solution
Solution
Solution
Solution
The
The
The
The SpO
SpO
SpO
SpO
2
2
2
2
and
and
and
and Pulse
Pulse
Pulse
Pulse
Rate
Rate
Rate
Rate can
can
can
can not
not
not
not be
be
be
be
displayed
displayed
displayed
displayed normally
normally
normally
normally
1. The finger is not properly
positioned.
2. The patient
’
s SpO
2
is too low to be
detected.
1. Place the finger properly and try
again.
2. Try again; Go to a hospital for a
diagnosis if you are sure the device
works all right.
The
The
The
The SpO
SpO
SpO
SpO
2
2
2
2
and
and
and
and Pulse
Pulse
Pulse
Pulse
Rate
Rate
Rate
Rate are
are
are
are not
not
not
not
display
display
display
display ed
ed
ed
ed stabl
stabl
stabl
stabl y
y
y
y
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
The
The
The device
device
device
device can
can
can
can not
not
not
not
be
be
be
be turn
turn
turn
turn ed
ed
ed
ed on
on
on
on
1. The batteries are drained or almost
drained.
2. The batteries are not inserted
properly.
3. The malfunction of the device.
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local service
center.
The
The
The
The display
display
display
display is
is
is
is off
off
off
off
suddenly
suddenly
suddenly
suddenly
1. The device will power off
automatically when it gets no signal
within 5 seconds.
2. The batteries are almost drained.
1. Normal.
2. Change batteries.
10
10
10
10 Key
Key
Key
Key of
of
of
of Symbols
Symbols
Symbols
Symbols
Symbol
Symbol
Symbol
Symbol Description
Description
Description
Description
Type BF
Warning – See User Manual
The pulse oxygen saturation(%)
PRbpm Pulse rate (bpm)
The battery voltage indication is deficient （ change the battery in time
avoiding the in exact measure ）
1. no finger inserted
2. An indicator of signal inadequacy
battery positive electrode
battery cathode
1. Power switch
2. change direction of the screen
3. Change brightness of the screen
SN Serial number
Alarm inhibit