User`s guide
USER'S GUIDE____________________________________________________________________ 
CHAPTER 1 
GENERAL INFORMATION 
Safety 
General Safety Considerations 
Throughout the manual, important safety considerations are 
highlighted as follows: 
WARNING 
Warning alerts you to a serious hazard. If you do not read and follow 
instructions very carefully at this point, there is a risk of injury or 
even death. 
CAUTION 
Caution warns you of a potential hazard. If you do not read and 
follow instructions carefully at this point, the product could be 
damaged or important data could be lost. 
NOTE 
Note highlights important information on using the product. 
Feedback 
Vaisala Customer Documentation Team welcomes your comments 
and suggestions on the quality and usefulness of this publication. If 
you find errors or have other suggestions for improvement, please 
indicate the chapter, section, and page number. You can send 
comments to us by e-mail: manuals@vaisala.com
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