Inserting The Batteries; Adjusting Display Mode And Brightness; Using The Lanyard; Malfunctions And Actions To Take - Microlife OXY 300 Manual

Inaccurate measurements may occur if:
 The patient suffers from significant levels of dysfunc-
tional hemoglobin (such as carboxyhemoglobin or
methemoglobin).
 Intravascular dyes such as indocyanine green or meth-
ylene blue have been injected into the patient.
 Used in the presence of high ambient light (e.g. direct
sunlight). Shield the sensor area with a surgical towel if
necessary.
 There is excessive patient movement.
 The patient experiences venous pulsations.
 The patient has hypotension, severe vasoconstriction,
severe anemia, or hypothermia.
 The patient is in cardiac arrest or is in shock.
 Fingernail polish or false fingernails are applied.

5. Inserting the batteries

After you have unpacked your device, first insert the
batteries. The battery compartment is on the bottom of the
device. Remove the battery cover by sliding it in the direc-
tion shown. Insert the batteries (2 x 1.5 V, size AAA),
thereby observing the indicated polarity.

Replace the batteries when the low power indi-
cator 6 appears on the display.
4
Always replace both batteries at the same time.

6. Adjusting Display Mode and Brightness

Display Mode
When the device is switched on, shortly press the ON/OFF
button 1 to switch to another display mode to select your
desired display mode 9. There are 6 different display
modes. The default setting is mode 1.
Brightness
Press and hold the ON/OFF button 1 for longer than one
second to adjust the brightness of the device. The display
will show «Br 1-10». There are 10 levels of brightness. The
default setting is level 4.

7. Using the Lanyard

1. Thread the thinner end of the lanyard through the
hanging hole at the rear end of the device.
2. Thread the thicker end of the lanyard through the
threaded end before pulling it tightly.

8. Malfunctions and Actions to take

Description Symptom/
Possible causes
SpO or pulse 1. Finger is not
2
inserted
rate do not display
correctly.
normally.
2. Patient SpO
value is too
low to be
measured.
3. There is
excessive illu-
mination.
SpO or pulse 1. Finger might
2
not be inserted
rate is shown
deep enough.
unstable.
2. Excessive
patient move-
ment.
Solutions
1. Retry
inserting the
finger.
2. & 3.
2
Measure
more times.
If you deter-
mine the
product is
working
correctly,
consult your
doctor.
1. Retry
inserting the
finger.
2. Sit calmly
and retry.