TESTO 330 Instruction Manual page 44

5 First steps
Viewing sensor diagnosis:
Sensor Diagnosis
1. >
2. Select sensor. [▲], [▼].
- The status of the sensor is indicated by a lamp.
Viewing device information:
> Device Information
- Information is displayed.
44
→ [OK].
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].