l
PC200W and PC400 users, select the datalogger from the list and click Connect .
4. Select File Control at the top of the Connect window.
5. Click Send at the top of the File Control window.
6. Navigate to the C:\Campbellsci\Lib\OperatingSystems folder.
7. Ensure Datalogger Operating System Files (*.obj) is selected in the files of type list, select
the new OS .obj file, and click Open to update the OS on the datalogger.
Note the following precautions when sending as a program:
l Any peripherals being powered through the SW12 terminals will be turned off until the
program logic turns them on again.
l Operating systems are very large files. Be cautious of data charges. Sending over a direct
serial or USB connection is recommended, when possible.
8. Maintaining your datalogger 111