Vaisala FD12P - Manual (Page 117)

Chapter 6 _______________________________________________________________Maintenance
VAISALA _______________________________________________________________________ 117
CHAPTER 6
MAINTENANCE
This chapter describes the overall maintenance of the product.
General
No initial calibration of the FD12P is needed because the sensor has
been calibrated at the factory. The periodic maintenance of the FD12P
Weather Sensor includes:
- Cleaning the transmitter and receiver lenses and hoods.
- Cleaning the DRD12 Rain Detector.
- Visibility calibration check and calibration if needed.
- Calibration of the DTS14B Temperature Sensor.
Before any commands can be given to the FD12P, the communication
line must be opened. Open the communication line by typing the
following:
OPEN
↵ ↵↵ ↵
The FD12P answer is as follows:
LINE OPENED FOR THE OPERATOR
The line can be released to automatic messages by typing the
following:
CLOSE
↵ ↵↵ ↵
For details, see Chapter 4 on page 59.