Send the zipped file to the CPU:, CRD: or USB: drive using data logger support software. Files sent
using Connect > Send Program will be unzipped automatically. However, the data logger will not
automatically unzip files that are sent using File Control > Send File. To unzip files sent with File
Control, mark them as Run Now.
Unzipping and installing file contents takes a long time; expect several minutes for operating
systems and additional time for .web files. The details of unzipping and installing files from a
gzip file are as follows:
1. The data logger receives the gzip file and restarts.
2. The data logger unzips the .gz file to the same drive to which it was sent.
3. The .tar portion of the file, if available, is processed.
4. Operating system (.obj or .iobj files) are programmed to the respective destination.
5. The data logger restarts.
6. When an .obj file is involved the OS will be loaded by the boot code resulting in another
restart.
7. Web user interface (.web) files, if available, are installed. This may take over ten minutes.
NOTE:
Compression has little effect on an encrypted program (FileEncrypt() ) and on files that
already employ compression such as JPEG or MP4.
TIP:
The data logger also has the ability to compress files using GZip(). See the CRBasic Editor
help for detailed instruction information and program examples:
https://help.campbellsci.com/crbasic/cr300/ .
21. CR300 series maintenance167
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