TROUBLESHOOTING
SpO2 or PR is not displaying a reading though the power
is on
• Reinsert the finger, remain still
SpO2 or PR display readout is unstable and fluctuating
highly
• Finger may not be inserted deep enough
• Finger may be trembling, try to remain still
The unit will not turn on
• Ensure the batteries have been properly installed
• Replace the batteries
• If the unit will not turn on after changing batteries, consult
Customer Care
Display screen goes blank
• The unit will automatically shut-off after 5 seconds if no
finger is inserted
• Check the batteries and replace if needed
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