4
The device must be able to measure the pulse
properly to obtain an accurate SpO
2
measure-
ment. Verify that nothing is hindering the pulse
measurement before relying on the SpO
2
measurement.
The maximum application time at a single site
should be less than 30 minutes
, in order to
ensure correct sensor alignment and skin integ-
rity.
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.
6. Inserting the batteries
6
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
5
appears on the display.
Always replace both batteries at the same time.
7. ON/OFF button
1
/ Function button
Press and release the ON/OFF button
1
to turn on, hold
the button for about one second. The device shows the
settings menu
AT
. Press or hold the ON/OFF button to
perform corresponding operations. Hold it to set an item, or
press it to switch an option or switch the display mode.
Press means no more than 0.5 seconds, while hold means
more than 0.5 seconds.
Alert Sound Setting
Hold ON/OFF button
1
while the device is switched
on.Settings menu (interface 1) is displayed
AT
-a. Move «*»
to the corresponding option, and hold the function button to
set
Alm
to
on
and set
Beep
to
off
. When
Alm
is set to
on
and the measured values of the blood oxygen saturation
and pulse rate go beyond the upper limit or lower limit, the
device gives off an alert sound. When
Beep
is set to
on
, a
tick will be heard along with pulse beats during pulse rate
measurement. While the «*» symbol stays on the
Restore
option, hold the functional button to restore default settings.
Brightness Setting
Press ON/OFF button
1
to select the
Brightness
option
and then hold the ON/OFF button to set the brightness to a
value ranging from 1 to 5. The greater the value, the
greater the brightness of the screen.
Alert Range Setting
On settings menu (interface 2)
AT
-b, press the ON/OFF
button
1
to switch between options. On this interface, you
can set the upper limit and lower limit of
SpO2 Alm
and
PR
Alm
. While the «*» symbol stays on the +/- option, hold the
functional button to set the option to + or -.
In + mode, select the corresponding option and hold the
ON/OFF button to increase the upper or lower limit; in -
mode, hold the ON/OFF button to decrease the upper or
lower limit. Move «*» to the
Exit
option, and hold the ON/
OFF button to return to the monitoring interface.
Summary of Contents for OXY500 BT
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