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Contents (continued)
iii
IR............................................................................................................... 5-32
Password........................................................................................................ 5-32
System Info.................................................................................................... 5-34
6 Digital Communications Interface..................................................... 6-1
Introduction........................................................................................................ 6-3
Communications ................................................................................................ 6-3
Serial Wiring ................................................................................................. 6-3
Interface Commands.......................................................................................... 6-4
Command Summary...................................................................................... 6-4
Command Syntax .......................................................................................... 6-4
Commands ......................................................................................................... 6-12
Alarm Commands.......................................................................................... 6-13
Measurement Commands .............................................................................. 6-22
Data Commands ............................................................................................ 6-26
Measurement Control Commands................................................................. 6-30
Channel Commands....................................................................................... 6-32
Calibration Commands.................................................................................. 6-33
System Commands ........................................................................................ 6-35
Communication Interface Commands........................................................... 6-37
Date and Time Commands ............................................................................ 6-39
Password Commands..................................................................................... 6-41
Status Commands .......................................................................................... 6-44
Port Numbers................................................................................................. 6-52
Date and Time Formats ................................................................................. 6-53
7 Calibration Procedure........................................................................ 7-1
Introduction........................................................................................................ 7-3
Equipment.......................................................................................................... 7-3
Preparation......................................................................................................... 7-3
Calibration Points .............................................................................................. 7-3
Temperature and Humidity Measurement Errors .............................................. 7-4
Temperature and Humidity Adjustments........................................................... 7-4
8 Maintenance and Troubleshooting.................................................... 8-1
Maintenance....................................................................................................... 8-3
Troubleshooting................................................................................................. 8-3
Incorrect temperature or humidity reading.................................................... 8-3
Missing or Scattered Graph Data................................................................... 8-3
Blank screen .................................................................................................. 8-4
Error message at power up ............................................................................ 8-4
Self-Test Error Messages .............................................................................. 8-4
Start-up Error Messages ................................................................................ 8-5
Downloading Recorded Data............................................................................. 8-5
Placement of IR Dongle for Transfer of Data.................................................... 8-5
CE Comments.................................................................................................... 8-6
EMC Directive............................................................................................... 8-6
Immunity Testing...................................................................................... 8-6
Emission Testing....................................................................................... 8-6
Low Voltage Directive (Safety) .................................................................... 8-6
Frequently Asked Questions.............................................................................. 8-6
Index