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VAISALA _________________________________________________________________________ 9 
List of Tables 
Table 1  Manual Revisions ............................................................... 11 
Table 2  Related Manuals ................................................................. 11 
Table 3  FS11P Basic Nomenclature ............................................ 20 
Table 4  FS11P Options Nomenclature ........................................ 21 
Table 5  FS11P Recommended Accessories ............................. 21 
Table 6  AC (Mains) Cable Selection ............................................ 32 
Table 7  Communication Cable Lengths ...................................... 56 
Table 8  Default Communication Settings ................................... 68 
Table 9  User Level Commands ..................................................... 71 
Table 10  Advanced Level Commands ........................................... 73 
Table 11  Alarm Status Codes ........................................................... 81 
Table 12  Default Factory Parameter Settings .............................. 99 
Table 13  Default Settings for PWD32 in FS11P Use .............. 102 
Table 14  Commands for Changing Default Settings ............... 104 
Table 15  Commands for Displaying and Changing  
Parameters ......................................................................... 104 
Table 16  Command Set .................................................................... 111 
Table 17  Hardware Error Texts ...................................................... 121 
Table 18  Warnings ............................................................................. 121 
Table 19  LM21 User Level Commands ....................................... 128 
Table 20  LM21 Advanced Level Commands ............................. 129 
Table 21  Default Settings for LM21 in FS11P use ................... 131 
Table 22  WMO SYNOP Code Limits ............................................ 151 
Table 23  WMO METAR Code Limits ............................................ 152 
Table 24  Measurement Unit Event Messages ........................... 155 
Table 25  Interface Unit Event Messages .................................... 157 
Table 26  Background Luminance Detector Sensor Event 
Messages ............................................................................ 158 
Table 27  Error Messages ................................................................. 161 
Table 28  Alarm Messages ............................................................... 161 
Table 29  Warning Messages .......................................................... 162 
Table 30  Indication Messages ........................................................ 162 
Table 31  Successful Guided Calibration Procedure ................ 180 
Table 32  Guided Calibration Procedure, Calibration  
Update .................................................................................. 181 
Table 33  Guided Calibration Procedure, Scatter Signal  
Test Failed .......................................................................... 182 
Table 34  Guided Calibration Procedure, Zero Test Failed .... 183 
Table 35  Wiring for LM21 Cable .................................................... 205 
Table 36  Wiring for FSM102 Cable ............................................... 205 
Table 37  Wiring for PWD32 Cable ................................................ 205 
Table 38  Error Messages ................................................................. 212 
Table 39  Alarm Messages ............................................................... 213 
Table 40  Warning Messages .......................................................... 214 
Table 41  Indication Messages ........................................................ 215 
Table 42  Miscellaneous Problems ................................................ 216