TESTO 330 Instruction Manual page 32

5 First steps
View sensor diagnosis:
1. >
2. Select sensor. [▲], [▼].
- The status of the sensor is indicated by a lamp.
View instrument information:
> Device Information
- Information is displayed.
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32
Sensor Diagnosis
A sensor is able to recover. It is therefore possible that the
sensor status indication changes from yellow to green or
from red to yellow.
→ [OK].
→ [OK].