User's Manual
Vital signs display
Problem
Indicator
Reason
Solution
No vital signs are
displayed.
The value shows no
value (--.-)
No in-ear sensor
connected.
Connect your
sensor.
No in-ear sensor in
Bluetooth range.
See chapter:
Warnings and
precautions >
Bluetooth
No new values
incoming since 30
seconds.
Check Bluetooth
connection.
Measured values
are out of range.
See chapter:
Product
specifications
Vital signs are
marked unvalid.
Question mark in
vital sign card.
Quality index and/or
Perfusion index are
low.
Minimize influencing
factors.
See chapter:
Warnings and
precautions
Wearing comfort
Problem
Indicator
Reason
Solution
The in-ear sensor
hurts.
Individual
perception.
Wrong fitting.
Check the correct
fitting of the in-ear
sensor.
See chapter:
Apply the in-ear
sensor to the ear
Wrong in-ear sensor
size.
Check the long term
behaviour of the
quality indices.
Exceeded wearing
time.
More than 12 hours
without interruption.
Cancel the
measurement.
34










