User's Manual

V1.0M122 PULSE OXIMETER OPERATOR＇S MA NUAL
15
integrity and correct positioning and adhesion of the probe. More frequently
inspection should be taken depend on different patients if necessary.
z Inaccurate measurements may be caused by:
z Incorrect application or use of probe
z Significant levels of dysfunctional hemoglobins (such as carboxyhemoglobin or
methemoglobin)
z Intravascular dyes such as indocyanine green or methylene blue
z Exposure to excessive illumination, such as surgical lamps (especially ones with a
xenon light source), bilirubin lamps, fluorescent lights, infrared heating lamps, or
direct sunlight
z High-frequency electro surgical interference and defibrillators
z Venous pulsations
z Placement of a probe on an extremity with a blood pressure cuff, arterial
catheter, or intravascular line.
z The patient has hypotension, severe vasoconstriction, severe anemia, or
hypothermia
z There is arterial occlusion proximal to the probe
z The patient is in cardiac arrest or is in shock
z Loss of pulse signal can occur in any of the following situations:
z The probe is too tight
z There is excessive illumination from light sources such as a surgical lamp, a
bilirubin lamp, or sunlight
z A blood pressure cuff is inflated on the same extremity as the one to which an
SpO
2
probe is attached
Note：SpO
2
probe should obviate the light source, e.g. radial lamp or infrared lamp.
The measured results are recorded into the memory of the oximeter, and Store up to
72-hours SpO
2
% and Pulse rate value, the time interval is 4 seconds. When the
memory is full, a prompt window of “Space Expire!” appears. To recorded the
newest measurements, you can delete the old ones for free space.
6 Other Settings
6.1 Alarm Setting
From the main menu, select and enter the “Alarm setting” screen, refer to Fig.6-1.
1) SpO
2
alarm setup
To set SpO
2
alarm high limit, In the “Alarm setting” screen, press the Up or Down button to
select the “High limit（SpO
2
）”. And then press the Select button to highlight the value.
Press the Up or the Down button to adjust the value, and at last press the Select button to
finish the setting of SpO
2
high limit. The range of SpO
2
high limit is 71%-100%.