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English
2.5.2
Turning on and applying the Pulse Oximeter
Put one of your fingers into the rubber opening of the A310L Pulse Oximeter with nail facing
upward, then release the clamp. Press the power button to turn the A310L Pulse Oximeter on. The
oximeter will automatically turn off, if there is no finger in the device for more than 16
±
2
seconds.
2.5.3
Read data from display screen
Table 4: Display Description of OLED and LED
Display
Model
Description
Show
Note
LED
Screen
A310L
The display interface of LED
only one display modes after
pressing the power button. Press
the "power" button for 3 seconds
to turn on / off the beep sound
When battery power is at lowest
level, the battery capacity
indicates symbol of in LED,
remind users of replacement of
battery.
3
Cleaning and Disinfection
3.1
Cleaning
Switch off the power and take out the batteries before cleaning. Keep the exterior surface of the device clean and free of
dust and dirt. Clean the exterior surface (display screen included) of the unit with a soft dry cloth. Use 75% medical
alcohol to clean the surface by applying a small amount with a dry cloth to avoid the alcohol entering the device.
3.2
Disinfection
Disinfect the machine after each use, if multiple patients use the machine, e.g., in a hospital.
Use 75% medical alcohol to clean the surface that was in contact with the patient.
CAUTION
:
Do not use strong solvent, e.g., acetone.
CAUTION
:
Never use an abrasive such as steel wool or metal polish.
CAUTION
:
Do not allow any liquid to enter the product and do not immerse any part of the device in liquid.
CAUTION
:
Avoid pouring liquid on the device while cleaning.
CAUTION
:
Do not leave cleaning solution on the surface of the device.
4
Troubleshooting and Maintenance
4.1
Maintenance
Replace the batteries in a timely manner, if the battery indication is low. Clean the surface of the oximeter before it is
used for diagnosis of patients. Remove the batteries from the battery compartment if the oximeter will not be operated
for a long time. It is best to store the product where the ambient temperature is between -25°C and 55°C and humidity is
15% to 93%. Regular inspection is recommended in order to make sure that no obvious damage is present that may
affect the safety and performance of the device. Do not expose the device to flammable substances, high or low
temperatures or humidity levels outside those in the operation conditions.
4.2
Troubleshooting
Table 5: Troubleshooting
Problem
Possible Reason
Resolution
Oxyhemoglobin or heart
rate cannot be shown.
1. Finger is not inserted correctly.
2. Patient’s perfusion is too low to be measured.
1. Retry by inserting the finger thoroughly.
2. Try a few more times to make sure there is
no problem with the product itself. Otherwise
seek medical help for exact diagnosis.
Oxyhemoglobin or heart
rate is unstable.
1. Finger might not be inserted correctly.
2. Finger is trembling, or patient's body is moving.
1. Retry by inserting the finger thoroughly.
2. Try to help the patient keep calm and still.
Oxyhemoglobin or heart 1. Finger might not be inserted correctly.
1. Retry by inserting the finger thoroughly.
