Section 7.  Installation 
 
 
6.  If there is no default.cr8 file or it cannot be compiled, the CR800 will not 
automatically run any program. 
 
7.5.2  Setup Tasks 
Following are a few common configuration actions: 
•  Updating the operating system 
(p. 113). 
•  Access CR800 infor tables and settings 
(p. 107) to help troubleshoot 
•  Set the CR800 clock 
•  Save current configuration 
•  Restore a configuration 
Tools available to perform these actions are listed in the following table: 
 
 Common Configuration Actions and Tools 
Action 
Tools to Use
1
 
Updating the operating system 
DevConfig (p. 103) software, Program 
Send (p. 510), memory card, mass 
storage device 
Access a register 
DevConfig, PakBus Graph, CRBasic 
program, 'Include' file (p. 109), 
Default.cr8 file 
(p. 109). 
Set the CR800 clock 
DevConfig, PC200W, PC400, 
LoggerNet 
Save / restore configuration  DevConfig 
1
 Tools are listed in order of preference. 
 
 
7.5.2.1  Operating System (OS) — Details 
The CR800 is shipped with the operating system pre-loaded.    Check the pre-
loaded version by connecting your PC to the CR800 using the procedure outlined 
in DevConfig Help.    OS version is displayed in the following location: 
Deployment tab → Datalogger tab → OS Version text box 
Update the OS on the CR800 as directed in DevConfig Help.    The current version 
of the OS is found at www.campbellsci.com/downloads.    OS updates are free of 
charge. 
Note An OS file has a .obj extension.    It can be compressed using the 
gzip compression algorithm. The datalogger will accept and decompress 
the file on receipt. See Program and OS Compression Q and A 
(p. 397).