Operating Instructions | symphony 5.3 A – 06/2009
10
Maintenance
10
Maintenance
55
10.4 Temperature calibration procedure
Temperature calibration steps
1. Activate calibration:
Keep the
key depressed for 5 seconds.
All operating panel indicators flash.
2. Indicate the nominal value:
Press the
key.
The preset value of 37 °C is displayed.
3. Enter the measured value (destination value):
Press the
+
keys.
or
Press the
+
keys.
Destination value e.g. 36.4 °C
4. Accept the destination value:
Press the
key.
The temperature display momentarily shows “CAL”,
Then the corrected actual value (measured destination value
36.4 °C) is displayed.
5. Cancel the calibration process:
Press any key.
The temperature display and the CO
2
display show the actual
values.