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7. Troubleshooting
1)
The SpO
2
and Pulse Rate displays are unstable.
Solution: Place the finger correctly inside and try
again.
2)
The device cannot be turned on.
Solution: Change batteries.
3)
There is no display.
Solution: Try to have the patient/user stay calm.
4)
Display direction doesn’t change or changes
insensitively.
Solution: Please shake the device with a certain
