________________________________________________________________________________  
 
VAISALA ________________________________________________________________________ 5 
Changing the Filter.............................................................. 55
 
Calibration and Adjustment................................................. 57 
Field Check Using an MI70 Indicator .................................. 57 
Repair Maintenance ............................................................... 59 
CHAPTER 7 
TROUBLESHOOTING ................................................................................. 61 
Solving Typical Problems ..................................................... 61 
Error Messages ...................................................................... 62 
Unknown Serial Settings ....................................................... 62 
Technical Support.................................................................. 63 
Product Returns ..................................................................... 63 
CHAPTER 8 
TECHNICAL DATA ...................................................................................... 65 
Specifications ......................................................................... 65 
Spare Parts and Accessories................................................ 68 
Dimensions in mm .................................................................69