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SpO
or PR is not displaying a reading though the power is on
2
• Reinsert the finger, remain still
SpO
or PR display readout is unstable and fluctuating highly
2
• Finger may not 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
TROUBLESHOOTING
• 13
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